| Switching Regulators |
| Switching Regulators Selection Guides |
Part No |
Function |
Efficiency % |
Output Current |
Supply Voltage Vin |
Output Voltage Vout[V] |
Input Voltage |
Switching Frequency |
Ext Parts Number |
Current limit and thermal shutdown | Package |
Live Simulation |
|||
TO-220 |
TO-263 |
DIP |
SOP |
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| LM5070 POE | IEEE802.3af+PWM Controller, Isolated and Non-Isolated External NchMOSFET |
- | - | 1.8〜75V | 3.3〜5.0V | 15/75V | 100KHz〜1MHz | 15/75V | 100KHz〜1MHz | TSSOP-16,LLP-16 | ||||
| LM5071 POE | - | - | 1.8〜60V | 3.3〜5.0V | 15/60V | 100KHz〜1MHz | 15/60V | 100KHz〜1MHz | TSSOP-16 | |||||
| LM5072 POE | - | - | 9〜70V | 3.3〜5.0V | 15/70V | 100KHz〜1MHz | 15/70V | 100KHz〜1MHz | TSSOP EXP PAD-16 | |||||
| LM5073 POE | IEEE802.3af Controller | - | - | 9〜70V | 70V | - | TSSOP EXP PAD-14 | |||||||
| LMZ10503 パワー･ モジュール NEW |
Synchronous Buck Regulator PWM Integrated shielded inductor |
96 | 3A | 2.95〜5.5V | 0.8〜5.0V | 6V | 1MHz | 7 | ○ | TO-PMOD-7 | ||||
| LMZ10504 パワー･ モジュール NEW |
96 | 4A | 2.95〜5.5V | 0.8〜5.0V | 6V | 1MHz | 7 | ○ | TO-PMOD-7 | |||||
| LMZ10505 パワー･ モジュール NEW |
96 | 5A | 2.95〜5.5V | 0.8〜5.0V | 6V | 1MHz | 7 | ○ | TO-PMOD-7 | |||||
| LMZ12001 パワー･ モジュール NEW |
Synchronous Buck Regulator COT Integrated shielded inductor |
92 | 1A | 4.5〜20V | 0.8〜6.0V | 7/25V | 7 | ○ | TO-PMOD-7 | |||||
| LMZ12002 パワー･ モジュール NEW |
92 | 2A | 4.5〜20V | 0.8〜6.0V | 7/25V | 7 | ○ | TO-PMOD-7 | ||||||
| LMZ12003 パワー･ モジュール NEW |
92 | 3A | 4.5〜20V | 0.8〜6.0V | 7/25V | 7 | ○ | TO-PMOD-7 | ||||||
| LMZ14201 パワー･ モジュール NEW |
Synchronous Buck Regulator COT Integrated shielded inductor |
90 | 1A | 6〜42V | 0.8〜6.0V | 7/43.5V | 7 | ○ | TO-PMOD-7 | |||||
| LMZ14202 パワー･ モジュール NEW |
90 | 2A | 6〜42V | 0.8〜6.0V | 7/43.5V | 7 | ○ | TO-PMOD-7 | ||||||
| LMZ14203 パワー･ モジュール NEW |
90 | 3A | 6〜42V | 0.8〜6.0V | 7/43.5V | 7 | ○ | TO-PMOD-7 | ||||||
| LM3880 NEW |
Power Sequencer | - | - | 2.7〜5.5V | Open drain Output 3Output std30ms Delay |
5.5V | - | 3 | SOT-23-6 | |||||
| LM3881 NEW |
Power Sequencer | - | - | 2.7〜5.5V | Open drain Output 3Output Output Invert Time Delay ADJ |
5.5V | 4 | MSOP-8 | ||||||
| LM3691 NEW |
Synchronous rectification Step-Down |
95 | 1.0A | 2.3〜5.5V | 0.75,1.2,1.5,1.8 | 5.5V | 4MHz | 3 | ○ | microSMD-6 | ||||
| LM3678 NEW |
85 | 1.5A | 2.5〜5.5V | 0.8、1.2 | 5.5V | 3MHz | 3 | ○ | LLP-10 | |||||
| LM2852 NEW |
95 | 2.0A | 1.5/2.85〜5.5V | 0.8、1.0、1.2、1.5、1.8、2.5、3.3、 | 5.5V | 500KHz/1.5MHz | 4 | ○ | TSSOP EPPAD-14 | ○ | ||||
| LM2853 NEW |
93 | 3.0A | 1.5/3.0〜5.5V | 0.8、1.0、1.2、1.5、1.8、2.5、3.0,3.3 | 5.5V | 550KHz | 4 | ○ | TSSOP EPPAD-14 | ○ | ||||
| LM2651 | 97 | 1.5A | 4〜14V | 1.8、2.5、3.3、 ADJ |
14V | 300KHz | 8 | ○ | TSSOP-16 | ○ | ||||
| LM2653 | 97 | 1.5A | 4〜14V | 1.5〜5V ADJ | 15V | 11 | ○ | ○ | ||||||
| NEW LM26420 Duai |
95 | 2.0A 2.0A |
3.0〜5.5V | 0.8〜4.5V 0.8〜4.5V |
5.5V | 2.2MHz 550KHz |
11 | ○ | LLP-16 | TSSOP-20 | ||||
| LM2655 | 90 | 2.5A | 4〜14V | 3.3、 1.3〜6V ADJ |
15V | 300KHz | 12 | ○ | TSSOP-16 | ○ | ||||
| LM2650 | 95 | 3A | 4.5〜18V | ADJ | 20V | 90〜300KHz | - | ○ | SOPW-24 | |||||
| NEW LM2854 |
96 | 4A | 2.95〜5.5V | ADJ 0.8〜5V |
5.5V | 500K〜1MHz | 8 | ○ | TSSOP EXP PAD-16 | |||||
| LM3200 RF-PA |
95 | 300mA(PWM) 500mA(Bypass) |
2.7〜5.5V | Variable output 0.8〜3.2V |
6V | 2MHz | 3 | ○ | microSMD-10 | |||||
| LM3203 RF-PA |
96 | 500mA(PWM) 500mA(Bypass) |
2.7〜5.5V | Variable output 0.8〜3.6V |
6V | 2MHz | 7 | ○ | microSMD-10 | |||||
| NEW LM3674 |
90 | 0.6A | 2.7〜5.5V | 1.2,1.5,1.8V ADJ(.1.0〜Vin-0.9V) |
5.5V | 2MHz | 3 | ○ | SOT-23-5 | |||||
| LM2608 | 91 | 0.383 SW :0.51ASW |
2.8〜5.5V | 1.3/1.5/1.8 PWM & LINEAR |
6V | 600KHz 500KHz 〜1MHz Sync Operation |
4 | ○ | microSMD-10 | |||||
| NEW LM3670 |
95 | 0.35A | 2.5V〜5.5V | 1.2,1.5,1.6,1.8,1.875,2.5,3.3,ADJ | 5.5V | 1MHz | 3 | SOT-23-5 | ||||||
| NEW LM3673 |
95 | 0.35A | 2.5V〜5.5V | 1.2,1.5,1.8,1.875,ADJ | 5.5V | 2MHz | 3 | microSMD-5 | ||||||
| NEW LM3671 |
90 | 0.6A | 2.5〜5.5V | 1.2,1.25,1.375,1.5,1.6,1.8,1.875,2.5,2.8,3.3,ADJ | 5.5V | 2MHz | 3 | SOT-23-5 LLP COL-5 microSMD-5 |
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| NEW LM3676 |
90 | 0.6A | 2.9〜5.5V | 1.2,1.375,1.5,1.6,1.8,2.5,2.8,3.3,ADJ | 5.5V | 2MHz | 3 | LLP-8 | ||||||
| NEW LM3370 Dual |
- | 0.6A | 2.7〜5.5V | 1〜2V 50mV step 2.3〜3.3V 100mV step |
6V | 2MHz | 9 | LLP-16 microSMD-20 |
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| NEW LM3103 |
Synchronous 1MHz 1.5A Step-Down, Constant ON-Time |
90 | 0.75A | 4.5〜42V | 0.6V〜38V | 7V 42V |
1MHz max |
9 | TSSOP EXP PAD-16 | |||||
| NEW LM3100 |
90 | 1.5A | 4.5〜36V | 0.9V〜7V | 7V 36V |
1MHz | 11 | TSSOP EXP PAD-20 | ||||||
| NEW LM3102 |
90 | 2.5A | 4.5〜42V | 08V〜38V | 7V 42V |
1MHz max |
9 | TSSOP EXP PAD-20 | ||||||
| NEW LM3218 RF-PA |
95 | 0.65A | 2.7〜5.5V | Variable output 0.8〜3.6V |
5.5V | 2MHz | 2 | PSOP-8 | ||||||
| NEW LM5009 300ns OntimeControl +Hysteretic |
Step-Down | 0.15A | 9.5〜95V | 3.0V〜ADJ | 100V | - | 4 | ○ | MSOP-8 LLP-8 |
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| NEW LM5008 400ns OntimeControl +Hysteretic |
Step-Down | 0.3A | 9.5〜95V | 3.0V〜ADJ | 100V | - | 4 | ○ | MSOP-8 LLP-8 |
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| LM2574 | Step-Down | 0.5A | 4.5〜40V | 3.3/5/12/15/ADJ | 45V | 52KHz | 4 | ○ | MDIP-8 | SOP-14 | ○ | |||
| LM2574HV | 4.5〜60V | 63V | ||||||||||||
| LM2594 | Step-Down | 0.5A | 4.5〜40V | 3.3、5、12、ADJ | 45V | 150KH | 4 | ○ | MDIP-8 | SOP-8 | ○ | |||
| LM2594HV | 4.5〜60V | 60V | ||||||||||||
| LM2597 | Step-Down Soft-Start, E-F,Delay |
0.5A | 4.5〜40V | 3.3、5、12、ADJ | 45V | 150KHz | 4 | ○ | MDIP-8 | SOP-8 | ○ | |||
| LM2597HV | 4.5〜60V | 60V | ||||||||||||
| LM2619 | Step-Down Internal soft start |
0.5A | 2.8〜5.5V | ADJ(1.5V to 3.6V) | 6V | 600KHz | 7 | ○ | microSMD-10 | |||||
| LM22671 NEW | Step-Down PWM Soft-Start,Sync |
0.5A | 4.5〜42V | 5、ADJ | 43V | 200KHz 〜1MHz |
10 | PSOP-8 | ||||||
| LM22674 NEW | Step-Down PWM |
0.5A | 4.5〜42V | 5、ADJ | 43V | 200KHz 〜1MHz |
8 | PSOP-8 | ||||||
| LM2671 | Step-Down Soft-Start,Sync |
0.5A | 6.5〜40V | 3.3、5、12、ADJ | 45V | 260KH | 5 | ○ | LLP-16 | MDIP-8 | SOP-8 | ○ | ||
| LM2674 | Step-Down | 0.5A | 6.5〜40V | 3.3、5、12、ADJ | 45V | 260KHz | 5 | ○ | LLP-16 | MDIP-8 | SOP-8 | ○ | ||
| NEW LM5574 |
Step-Down PWM S/D入力 Soft-Start, Sync Current mode control with emulated inductor current ramp |
0.5A | 6.0〜75V | ADJ(1.225V〜) | 14/75V | 50KHz〜500KHz | 13 | ○ | TSSOP-16 | |||||
| NEW LM25574 |
0.5A | 6.0〜42V | ADJ(1.225V〜) | 14/42V | 50KHz〜1MHz | 13 | ○ | TSSOP-16 | ||||||
| NEW LM25007 |
Step-Down constant on-time |
0.5A | 9.0〜42V | ADJ(2.5V〜) | 14/42V | 〜1MHz | 11 | ○ | LLP-8 | MSOP-8 | ||||
| NEW LM5007 |
Step-Down constant on-time |
0.5A | 9.0〜75V | ADJ(2.5V〜) | 75/80V | 〜1MHz | 11 | ○ | - | LLP-8 | MSOP-8 | |||
| NEW LM2694 |
0.6A | 8.0〜30V | ADJ(2.55V〜) | 14/33V | 〜1MHz | 11 | ○ | - | LLP-10 | TSSOP-14 | ||||
| NEW LM34919 |
Step-Down constant on-time |
0.6A | 8.0〜40V | ADJ(2.5V〜35V) | 14/40V | 〜1.6MHz | 11 | ○ | microSMD-10 | |||||
| NEW LM2736 |
Step-Down | 0.75A | 3.0〜18V | ADJ(1.25V〜16V) | 22V | Y=550kHz X=1.6GHz |
8 | ○ | - | TSOT-6 | - | |||
| NEW LM3668 Buck-Boost |
PWM-PFM EN Buck-Boost type |
0.6/0.8/1A | 2.5〜5.5V | 2.8/3.3Vfix |
5.5V | 2.2MHz | 3 | ○ | LLP-12 | |||||
| LM2575 | Step-Down | 1A | 4.5〜40V | 3.3/5/12/15/ADJ | 45V | 52KHz | 4 | ○ | TO-220-5 | TO263-5 | MDIP-16 | SOPW-24 | ○ | |
| LM2575HV | 4.5〜60V | 63V | ||||||||||||
| LM2590HV | Step-Down Soft-Start, E-F,Delay |
1A | 4.5〜60V | 3.3、5、ADJ | 63V | 150KHz | 7 | ○ | TO-220-7pin | TO-263-7pin | ||||
| LM2591HV | Step-Down | 1A | 4.5〜60V | 3.3、5、ADJ | 63V | 150KHz | 4 | ○ | TO-220-7pin | TO-263-7pin | ○ | |||
| LM22672 NEW | Step-Down PWM Soft-Start, Sync |
1A | 4.5〜42V | 5、ADJ | 43V | 200KHz 〜1MHz |
10 | PSOP-8 | ||||||
| LM22675 NEW | Step-Down PWM |
1A | 4.5〜42V | 5、ADJ | 43V | 200KHz 〜1MHz |
8 | PSOP-8 | ||||||
| LM2672 | Step-Down Soft-Start, Sync |
1A | 6.5〜40V | 3.3、5、12、ADJ | 45V | 260KHz | 5 | ○ | LLP-16 | MDIP-8 | SOP-8 | ○ | ||
| LM2675 | Step-Down | 1A | 6.5〜40V | 3.3、5、12、ADJ | 45V | 260KHz | 5 | ○ | LLP-16 | MDIP-8 | SOP-8 | ○ | ||
| LM2595 | Step-Down | 1A | 4.5〜40V | 3.3、5、12、ADJ | 45V | 150KHz | 4 | ○ | TO-220-5 | TO-263-5 | ○ | |||
| LM2598 | Step-Down Soft-Start, E-F,Delay |
1A | 4.5〜40V | 3.3、5、12、ADJ | 45V | 150KHz | 4 | ○ | TO-220-7 | TO-263-7 | ○ | |||
| LM2825 | Step-Down | 1A | 4.75〜40V | 3.3、5、12、ADJ | 45V | 150KHz | 0 | ○ | MDIP-24 | ○ | ||||
| NEW LM2734 |
Step-Down | 1A | 3.0〜20V | ADJ (1.25〜18V) | 24V | Y=550kHz X=1.6GHz |
8 | ○ | TSOT-6 | |||||
| NEW LM25010 |
Step-Down | 1A | 6.0〜42V | ADJ(2.5V〜) | 14/42V | - | 13 | ○ | LLP-10 | TSSOP EXP PAD-14 | ||||
| NEW LM2830 |
Step-Down Soft-Start |
1A | 3.0〜5.5V | 0.6〜4.5V ADJ | 7.0V | 1.6/3.0MHz | 8 | ○ | LLP-6 | SOT-23-5 | ||||
| NEW LM5010 Constant Ontime Control+Hysteretic |
Step-Down | 1.25A | 8〜75V | ADJ | 76V | 1MHｚ | 10 | ○ | LLP-10 | TSSOP-14 | ||||
| LM5010A Constant Ontime Control+Hysteretic |
Step-Down | 1A | 6〜75V | ADJ | 76V | 1MHｚ | 10 | ○ | LLP-10 | TSSOP-14 | ||||
| NEW LM5015 Forward and Flyback |
Step-Down 49% maximum duty cycle limit |
1A | 4.25〜75V | ADJ | 76V | 15〜750KHｚ | 13 | ○ | EXDAP TSSOP-14 | |||||
| NEW LM34917A Constant Ontime Control+Hysteretic |
Step-Down Soft-Start, OVP |
1.25A | 8〜33V | 2.5〜30V | 14V 33V |
〜2MHz | 13 | ○ | microSMD-12 | |||||
| NEW LM2695 Constant Ontime Control+Hysteretic |
Step-Down Hysteretic Soft-Start, |
1.25A | 8〜30V | 1.254〜ADJ | 30V | <500KHｚ | 11 | ○ | LLP-10 | EXDAP TSSOP-14 | ||||
| NEW LM2716 |
Step-Up Step-Down Dual PWM |
Up 0.6〜0.7A Down 1.5A |
4.0〜20V | Up1.3〜20V ADJ Down3.3V Fixed |
7/20V | 300KHz/600KHz | 23 | ○ | TSSOP-24 | |||||
| NEW LM2717 |
Step-Down Dual PWM |
2.2A SWcurrent 3.2A SWcurrent |
4.0〜20V | 1：3.3Vfixed 2：1.3〜Vin-1.5V ADJ |
7/20V | 300KHz/600KHz | 19 | ○ | TSSOP-24 | |||||
| NEW LM2738 |
Step-Down PWM |
1.5A | 3.0〜20V | 0.8V〜18V ADJ |
6/20V | 0.55〜1.6MHz | 8 | ○ | LLP-8 | MSOP EXP PAD-8 | ||||
| NEW LM2831 |
Step-Down Soft-Start |
1.5A | 3.0〜5.5V | 0.6〜4.5V ADJ | 7.0V | 0.55/1.6/3.0MHz | 8 | ○ | LLP-6 | SOT-23-5 | ||||
| NEW LM26001 |
Step-Down PWM Sleep-Mode Soft-Start |
1.5A | 4.0〜38V | 1.3V〜Vin-1.5V ADJ |
7/38V | 150KHz〜500KHz | 16 | ○ | TSSOP EXP PAD-16 | |||||
| NEW LM5575 |
Step-Down PWM S/D入力 Soft-Start, Sync Current mode control with emulated inductor current ramp |
1.5A | 6.0〜75V | ADJ(1.225V〜) | 14/75V | TSSOP EXP PAD-16 | ||||||||
| NEW LM25575 |
1.5A | 6.0〜42V | ADJ(1.225V〜) | 14/42V | TSSOP EXP PAD-16 | |||||||||
| Part No | Function | Output Current | Supply Voltage
Vin |
Output Voltage Vout[V] |
Input Voltage |
Switching Frequency |
Ext Parts Number |
Current limit and thermal shutdown | Package |
Live Simulation | ||||
TO-220 |
TO-263 |
DIP |
SOP |
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| NEW LM22680 |
Step-Down PWM EN Soft-Start,Sync |
2A | 4.5〜42V | 1.3〜40V | 43V | 500KHz 200KHz〜1MHz |
10 | ○ | PSOP-8 | |||||
| NEW LM26400Y Dual |
Step-Down PWM EN Soft-Start, |
2A 2A |
3.0〜20V | 0.6〜16V | 20V | 520KHz | 17 | ○ | TSSOP EXPPAD-16 LLP-16 |
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| NEW LM20242 |
Step-Down PWM EN Soft-Start, OVP, UVLO, power good PowerWise |
2A | 4.5〜36V | 0.8〜32V | 5.5V | 250KHz〜750KHz | 10 | ○ | TSSOP EXPPAD-20 | |||||
| NEW LM25011 |
Step-Down COT Soft-Start, power good |
2A | 6.0〜42V | 2.51〜40V | 7V 45V |
〜2MHz | 11 | ○ | MSOP- EXP PAD-10 | |||||
| NEW LM2832 |
Step-Down Soft-Start |
2.0A | 3.0〜5.5V | 0.6〜4.5V ADJ | 7.0V | 0.55/1.6/3.0MHz | 8 | ○ | microSMD-8 | LLP-6 | MSOP-8 DAP |
|||
| LM2592HV | Step-Down | 2A | 4.5〜60V | 3.3、5、ADJ | 63V | 150KHz | 4 | ○ | TO-220-5pin | TO263-5pin | ||||
| LM2593HV | Step-Down Soft-Start, E-F,Delay |
2A | 4.5〜60V | 3.3、5、ADJ | 63V | 150KHz | 7 | ○ | TO-220-5pin | TO263-5pin | ||||
| NEW LM5005 |
Step-Down Soft-Start, Sync Current-Limit |
2.5A | 7〜75V | 1.225〜ADJ | 14/75V | 200/485KHz | 13 | ○ | TSSOP EXPPAD-20 | |||||
| NEW LM25005 |
Step-Down Soft-Start, Sync Current-Limit |
2.5A | 7〜42V | 1.225〜ADJ | 14/42V | 200/485KHz | 13 | ○ | TSSOP EXPPAD-20 | |||||
| LM26003 | Step-Down PWM Soft-Start, Sync Switching Regulator with High Efficiency Sleep Mode |
3A | 4〜38V | 1.23〜6ADJ | 7/40 | 150KHz〜500KHz | 14 | ○ | TSSOP EXPPAD-20 | |||||
| NEW LM5576 |
Step-Down PWM S/D入力 Soft-Start, Sync Current mode control with emulated inductor current ramp |
3A | 7〜75V | 1.225〜ADJ | 14/75V | 50〜500KHz | 13 | ○ | TSSOP EXPPAD-20 | |||||
| NEW LM25576 |
3A | 7〜42V | 1.225〜ADJ | 14/42V | 50〜1MHz | 13 | ○ | TSSOP EXPPAD-20 | ||||||
| NEW LM20123 |
Step-Down PWM EN Soft-Start, OVP, UVLO, power good PowerWise |
3.0A | 2.95〜5.5V | 0.8〜5.0VADJ | 5.5V | 1.5MHz | 11 | ○ | TSSOP EXPPAD-16 | |||||
| NEW LM20133 |
Step-Down PWM EN Soft-Start, Sync OVP, UVLO, power good PowerWise |
3.0A | 2.95〜5.5V | 0.8〜5.0VADJ | 5.5V | 410KHz | 11 | ○ | TSSOP EXPPAD-16 | |||||
| NEW LM20143 |
Step-Down PWM EN Soft-Start, OVP, UVLO, power good PowerWise |
3.0A | 2.95〜5.5V | 0.8〜5.0VADJ | 5.5V | 500KHｚ〜1.5MHz | 12 | ○ | TSSOP EXPPAD-16 | |||||
| LM20323 | Step-Down PWM EN,Synchronous Soft-Start, OVP, UVLO, power good PowerWise 36V,3A 500 kHz Synchronous Buck Regulator |
3.0A | 4.5〜36V | 0.8〜35VADJ | ７V 38V |
500KHｚ | 9 | ○ | TSSOP EXPPAD-20 | |||||
| LM20333 | 3.0A | 4.5〜36V | 0.8〜35VADJ | ７V 38V |
250KHz〜1.5MHz | 9 | ○ | TSSOP EXPPAD-20 | ||||||
| LM20343 | 3.0A | 4.5〜36V | 0.8〜35VADJ | ７V 38V |
250KHz〜1.5MHz | 10 | ○ | TSSOP EXPPAD-20 | ||||||
| NEW LM2696 |
Step-Down Soft-Start, Sync Current-Limit Constant-Ontime+Hysteretic Soft-Start, |
3A | 4.5〜24V | 1.254〜ADJ | 24V | <500KHｚ | 12 | ○ | EXDAP TSSOP-16 | |||||
| LM2576 | Step-Down | 3A | 4.5〜40V | 3.3/5/12/15/ADJ | 45V | 52KHz | 4 | ○ | TO-220-5 | TO-263-5 | ○ | |||
| LM2576HV | 4.5〜60V | 63V | ||||||||||||
| LM2596 | Step-Down | 3A | 4.5〜40V | 3.3、5、12、ADJ | 45V | 150KHz | 4 | ○ | TO-220-5 | TO-263-5 | ○ | |||
| LM2599 | Step-Down Soft-Start, E-F,Delay |
3A | 4.5〜40V | 3.3、5、12、ADJ | 45V | 150KHz | 4 | ○ | TO-220-7 | TO-263-7 | ○ | |||
| LM22670 NEW | Step-Down PWM Sync |
3A | 4.5〜42V | 5、ADJ | 43V | 200KHz 〜1MHz |
9 | TO-263THIN-7 | PSOP-8 | |||||
| LM22673 NEW | Step-Down PWM soft-start Current-Limit |
3A | 4.5〜42V | 5、ADJ | 43V | 200KHz 〜1MHz |
10 | TO-263THIN-7 | PSOP-8 | |||||
| LM22676 NEW | Step-Down PWM |
3A | 4.5〜42V | 5、ADJ | 43V | 200KHz 〜1MHz |
8 | TO-263THIN-7 | PSOP-8 | |||||
| LM22677 NEW | Step-Down PWM Sync |
5A | 4.5〜42V | 5、ADJ | 43V | 200KHz 〜1MHz |
9 | TO-263 THIN-7 | ||||||
| LM22678 NEW | Step-Down PWM |
5A | 4.5〜42V | 5、ADJ | 43V | 200KHz 〜1MHz |
8 | TO-263 THIN-7 | ||||||
| LM22679 NEW | Step-Down PWM soft-start Current-Limit |
5A | 4.5〜42V | 5、ADJ | 43V | 200KHz 〜1MHz |
10 | TO-263 THIN-7 | ||||||
| LM2670 | Step-Down Sync |
3A | 8〜40V | 3.3、5、12、ADJ | 45V | 260KHz | 7 | ○ | TO-220-7 | TO-263-7 | LLP-14 | ○ | ||
| LM2673 | Step-Down Soft-Start, Current-Limit |
3A | 8〜40V | 3.3、5、12、ADJ | 45V | 260KHz | 7 | ○ | TO-220-7 | TO-263-7 | LLP-14 | ○ | ||
| LM2676 | Step-Down | 3A | 8〜40V | 3.3、5、12、ADJ | 45V | 260KHz | 5 | ○ | TO-220-7 | TO-263-7 | LLP-14 | ○ | ||
| NEW LM20124 |
Step-Down PWM EN Soft-Start, OVP, UVLO, power good PowerWise |
4.0A | 2.95〜5.5V | 0.8〜5.0VADJ | 5.5V | 1MHz | 11 | ○ | TSSOP EXDAP -16 | |||||
| NEW LM20134 |
Step-Down PWM EN Soft-Start, Sync OVP, UVLO, power good PowerWise |
4.0A | 2.95〜5.5V | 0.8〜5.0VADJ | 5.5V | 410KHz | 11 | ○ | TSSOP EXDAP -16 | |||||
| NEW LM20144 |
Step-Down PWM EN Soft-Start, OVP, UVLO, power good PowerWise |
4.0A | 2.95〜5.5V | 0.8〜5.0VADJ | 5.5V | 500KHｚ〜1.5MHz | 12 | ○ | TSSOP EXDAP -16 | |||||
| NEW LM20154 |
Step-Down PWM EN Soft-Start, Siync Out OVP, UVLO, power good PowerWise |
4.0A | 2.95〜5.5V | 0.8〜5.0VADJ | 5.5V | 1MHz | 12 | ○ | TSSOP EXDAP -16 | |||||
| NEW LM20125 |
Step-Down PWM EN Soft-Start, OVP, UVLO, power good PowerWise |
5.0A | 2.95〜5.5V | 0.8〜5.0VADJ | 5.5V | 500KHz | 11 | ○ | TSSOP EXDAP -16 | |||||
| NEW LM20145 |
Step-Down PWM EN Soft-Start, OVP, UVLO, power good PowerWise |
5.0A | 2.95〜5.5V | 0.8〜5.0VADJ | 5.5V | 260KHｚ〜750KMHz | 12 | ○ | TSSOP EXDAP -16 | |||||
| LM2677 | Step-Down Sync |
5A | 8〜40V | 3.3、5、12、ADJ | 45V | 260KHz | 5 | ○ | TO-220-7 | TO-263-7 | LLP-14 | ○ | ||
| LM2678 | Step-Down | 5A | 8〜40V | 3.3、5、12、ADJ | 45V | 260KHz | 5 | ○ | TO-220-7 | TO-263-7 | LLP-14 | ○ | ||
| LM2679 | Step-Down Soft-Start, Current-Limit |
5A | 8〜40V | 3.3、5、12、ADJ | 45V | 260KHz | 7 | ○ | TO-220-7 | TO-263-7 | LLP-14 | ○ | ||
| LM20136 | Step-Down PWM EN,Synchronous Soft-Start, OVP, UVLO, power good PowerWise |
6.0A | 2.95〜5.5V | 0.8〜5.0VADJ | 5.5V | 260KHｚ〜750KMHz | 10 | ○ | TSSOP EXDAP -16 | |||||
| LM20146 | 6.0A | 2.95〜5.5V | 0.8〜5.0VADJ | 5.5V | 260KHｚ〜750KMHz | 11 | ○ | TSSOP EXDAP -16 | ||||||
| LM2611A/B | Inverting PWM |
A:1.0A B:0.7A SW Current |
2.7〜14V | Negative Output ADJ +5V to -5V@300mA |
14V | 1.4MHz | 9 | ○ | SOT-23-5 | |||||
| NEW LM3200 |
Step-Down PA Regulator |
300mA(PWM) 500mA(Bypass) |
2.7〜5.5V | Variable output 0.8〜3.2V |
6V | 2MHz | 3 | ○ | μSMD-10 | |||||
| NEW LM3668 Buck-Boost |
PWM-PFM EN Buck-Boost type |
0.6/0.8/1A | 2.5〜5.5V | 2.8/3.3Vfix |
5.5V | 2.2MHz | 3 | ○ | LLP-12 | |||||
| LM2621 | Flyback, Step-up | 1A 2.85A SW-Current |
Vin=1.2〜14V Boot=0〜10V Vdd=2.5〜5.0V |
ADJ 1.24〜14V |
14.5V | 300KHz 〜2MHz |
10 | ○ | MSOP-8 | ○ | ||||
| LM2622 | Flyback, Step-up | 1.0A SW-Current |
2〜12V | ADJ | 12/18V | 600KHz /1.3MHz Select |
8 | ○ | MSOP-8 | |||||
| LM2700 | Flyback, Step-up | 2.55A SW-Current |
2.2〜12V | ADJ | 12/17.5V | 600KHz /1.3MHz Select |
8 | ○ | TSSOP-14 LLP-14 |
|||||
| NEW LM3224 |
Step-up PWM |
2.45A (Typ) SW-Current |
2.7〜7V | 〜20V ADJ | 7/21V | 615KHz/ 1.25MHz |
9 | ○ | White LED Flash/Toarch (TFT,Cellular,DSC,etc) |
MSOP-8 | ||||
| NEW LM2716 |
Dual Step-up Step-Down |
Step-up 0.6A Step-Down 1.5A |
4.0〜20V | Step-up 1.3-20V ADJ Step-Down 3.3V |
20/20V | 300KHz/600KHz | 23 | ○ | TSSOP-24 | |||||
| LM2705 | Step-up | 0.15A SW-Current |
2.2〜7V | 1.24〜20V ADJ | 21V | max 500KHz |
6 | ○ | SOT-23-5 | |||||
| LM2703 | Step-up | 0.26A SW-Current |
2.2〜7V | 1.24〜20V ADJ | 21V | max 500KHz |
6 | ○ | ||||||
| LM2704 | Step-up | 0.42A SW-Current |
2.2〜7V | 1.24〜20V ADJ | 21V | max 500KHz |
6 | ○ | ||||||
| NEW LM27313 |
Step-up | 0.8A SW-Current |
2.7〜14V | 1.23〜28V ADJ | 30V | 1.6MHz | 8 | ○ | ||||||
| LM2733 | Step-up | 1.0A SW-Current |
2.7〜14V | 1.23〜35V ADJ | 35V | 600KHz /1.6MHz |
8 | ○ | ||||||
| LM2731 | Step-up | 1.8A SW-Current |
2.7〜14V | 1.23〜20V ADJ | 22V | 600KHz /1.6MHz |
8 | ○ | ||||||
| NEW LM3500 |
Step-up | 0.25A SW-Current |
2.7〜7V | 〜15V ADJ | 16V | 1.0MHz | 6 | ○ | microSMD-8 | |||||
| NEW LM3501 |
Step-up | 0.25A SW-Current |
2.7〜7V | 〜15V ADJ | 16V | 1.0MHz | 6 | ○ | microSMD-8 | |||||
| LM2698 | Flyback, Step-up | 1.35A SW-Current |
2.2〜12V | 〜15V ADJ | 17.5V | 600KHz /1.3MHz Select |
8 | ○ | MSOP-8 | |||||
| LM2577 | Flyback, Step-up | 3A SW-Current | 3.5〜40V | 12、15、ADJ | 65V | 52KHz | 6 | ○ | TO-220-5 | TO-263-5 | MDIP-16 | SOPW-24 | ○ | |
| LM2585 | Flyback, Step-up | 3A SW-Current | 4〜40V | 3.3、5、12、ADJ | 65V | 100KHz | 7 | ○ | TO-220-5 | TO-263-5 | ○ | |||
| LM2586 | Flyback, Step-up | 3A SW-Current | 4〜40V | 3.3、5、12、ADJ | 65V | 100〜200KHz | 7 | ○ | TO-220-7 | TO-263-7 | ○ | |||
| LM2587 | Flyback, Step-up | 5A SW-Current | 4〜40V | 3.3、5、12、ADJ | 65V | 100KHz | 7 | ○ | TO-220-5 | TO-263-5 | ○ | |||
| LM2588 | Flyback, Step-up | 5A SW-Current | 4〜40V | 3.3、5、12、ADJ | 65V | 100〜200KHz | 7 | ○ | TO-220-7 | TO-263-7 | ○ | |||
| NEW LM5002 |
Flyback, Step-up Controller |
0.4A SW-Current | 3.1〜75V | 1.26〜74V ADJ | 75V | 260〜780KHz | 12 | SOP-8 LLP-8 |
||||||
| NEW LM5001 |
0.8A SW-Current | 3.1〜75V | 1.26〜74V ADJ | 75V | 260〜780KHz | 12 | SOP-8 LLP-8 |
|||||||
| NEW LM5000 |
1.35A SW-Current | 3.1〜40V | 〜70V ADJ | 40/80V | 300/700/600KHz/1.25MHz | - | TSSOP-16 LLP-16 |
|||||||
| Part No | Function | Output Current | Supply Voltage
Vin |
Output Voltage Vout[V] |
Input Voltage |
Switching Frequency |
Ext Parts Number |
Current limit and thermal shutdown | Package |
Live Simulation | ||||
TO-220 |
TO-263 |
DIP |
SOP |
|||||||||||
| Flyback, Step-up LM3481 NEW |
Controller Controller Controller Controller Controller Controller Controller Controller Controller |
〜Several A | 2.97〜48V | ADJ(1.2756V〜47V) Vref±1.5% use External NchMOSFET |
48V | 100KHz 〜1MHz |
15 | ○ | MSOP-10 | |||||
| Flyback, Step-up LM3488 LM3481Recommended |
2.95〜40V | ADJ(1.26V〜38V) Vref±1.5% use External NchMOSFET |
40V | 100KHz 〜1MHz |
14 | MSOP-8 | ○ | |||||||
| Step-Down LM3477 |
2.95〜35V | ADJ(1.26V〜Vin) Vref±1.5% use External NchMOSFET |
36V | 500KHz | 12 | MSOP-8 | ||||||||
| Flyback, Step-up LM3478 |
2.95〜40V | ADJ(1.26V〜38V) Vref±2.5% use External NchMOSFET |
40V | 100KHz 〜1MHz |
MSOP-8 | ○ | ||||||||
| NEW LM3475 Step-Down Hysteretic |
2.7〜10V | ADJ(0.8〜Vin) use External PchMOSFET with EN input |
10V | 〜2MHz | 10 | SOT-23-5 | ||||||||
| LM3485 Step-Down Hysteretic |
4.5〜35V | ADJ(1.242V〜Vin) Vref ±2.0% use External PchMOSFET Lowcost of LM3477 |
35V | 〜1MHz | 10 | MSOP-8 | ||||||||
| NEW LM3489 Step-Down Hysteretic |
ADJ(1.239V〜Vin) Vref ±2.0% use External PchMOSFET with EN input |
MSOP-8 | ||||||||||||
| NEW LM5118 Buck-Boost Controller |
3〜75V | ADJ1.23V-70V External NchMOSFET |
75V | 50〜500KHz | 26 | TSSOP EXPPAD-20 | ||||||||
| NEW LM1770 Synchronous rectification Step-Down Constant-Ontime+Hysteretic |
〜4A | 2.8〜5.5V | 0.8〜Vin-0.x 0.8V〜ADJ ・Simple To Design, High Efficiency Step Down Switching Regulators ・Set-Top Boxes ・Cable Modems ・Printers ・Digital Video Recorders ・Servers ・LM1771with EN input |
6V | 100KHz〜1MHz | 7 | SOT-23-5 | |||||||
| NEW LM1771 Synchronous rectification Step-Down Constant-Ontime+Hysteretic |
MSOP-8 LLP-6 |
|||||||||||||
| NEW LM3150 Synchronous rectification Step-Down Constant-Ontime+Hysteretic |
〜12A | 6〜42V | 0.6V〜ADJ | 47V 7V |
〜1MHz | 12 | TSSOP EXP PAD-14 | |||||||
| NEW LM3151 Synchronous rectification Step-Down Constant-Ontime+Hysteretic |
6〜42V | 3.3VJ | 47V 7V |
250kHz/ | 7 | |||||||||
| NEW LM3152 Synchronous rectification Step-Down Constant-Ontime+Hysteretic |
6〜33V | 3.3VJ | 47V 7V |
500kHz/ | 7 | |||||||||
| NEW LM3153 Synchronous rectification Step-Down Constant-Ontime+Hysteretic |
8〜18V | 3.3VJ | 47V | 750kHz | 7 | |||||||||
| NEW LM5116 ECM,PWM Step-Down Soft-Start, Sync Current mode control with emulated inductor current ramp |
〜6A | 6V〜100V | 1.215〜80V | 100/15V | 200/535KHz | 20 | TSSOP EXPPAD-20 | |||||||
| NEW LM25116 ECM,PWM Step-Down Soft-Start, Sync Current mode control with emulated inductor current ramp |
〜10A | 6V〜42V | 1.215〜36V | 42/15V | 50KHz〜1MHz | |||||||||
| NEW LM3000 ECM Sync Tracking Soft-Start Emulated Peak Current Mode Buck Controller |
〜15A | 3.3〜18.5V | 0.6〜15V | 18.5/5.5 | 200KHz〜1.5MHz | 17 | LLP-32 | |||||||
| LM2640 Synchronous rectification Step-Down |
〜10A | 5.5〜30V | 2.2〜6 ADJ 2ch | 30V | 200KHz | - | TSSOP-28 | |||||||
| LM2641 Synchronous rectification Step-Down |
2.2〜8 ADJ 2ch | 300KHz | ||||||||||||
| LM2642 Synchronous rectification Step-Down |
4.5/5.5〜30V | 1.3〜13.5V 2ch | 300KHz | |||||||||||
| LM2647 Synchronous rectification Step-Down |
4.5〜5.5 5.5〜28V |
0.6〜5V 2ch | 200KHz 〜500KHz |
TSSOP-28 LLP-28 |
||||||||||
| LM5642 Synchronous rectification Step-Down |
4.5/5.5〜36V | 1.3〜Vinx0.9V 2ch | 36V | 200KHz | TSSOP-28 TSSOP EXP PAD-28 |
|||||||||
| LM2727 Synchronous rectification Step-Down Output under-voltage and over-voltage latch-off |
3.3〜10A | Vin=2.2〜16V Vcc=4.5〜5.5V |
0.6V〜ADJ use External NchMOSFET 2 ・DDR-SDRAM Core Voltage VDDQ ・Set-Top Boxes/ Home Gateways ・Core Logic Regulators |
6V/16V | 50KHz〜2MHz | 19 | TSSOP-14 | |||||||
| NEW LM2742 Synchronous rectification Step-Down |
0.7〜20A | Vin=1.0〜16V Vcc=4.5〜5.5V |
0.6V〜ADJ use External NchMOSFET 2 ・POL power supply modules ・Cable Modems ・Set-Top Boxes/ Home Gateways ・DDR Core Power ・High-Efficiency Distributed Power ・Local Regulation of Core Power |
|||||||||||
| NEW LM2743 Synchronous rectification Step-Down |
〜4A | Vin=1.0〜16V Vcc=3.0〜6V |
0.6V〜ADJ use External NchMOSFET 2 ・3.3V Buck Regulation ・Set-Top Boxes/ Home Gateways ・Core Logic Regulators |
6V/16 | ||||||||||
| NEW LM2744 Synchronous rectification Step-Down |
〜4A | Vin=1.0〜16V Vcc=3.0〜6V EXT-Vref |
0.5V〜Vin-0.x 0.5V〜ADJ NchMOSFET 2 ・3.3V Buck Regulation ・Set-Top Boxes/ Home Gateways ・Core Logic Regulators |
6V/16V | 50KHz〜1MHz | |||||||||
| NEW LM2747 Synchronous Buck Regulator Step-Down |
〜4A | Vin=1.0〜14V Vcc=3.0〜6.0V Boot=21V |
0.6V〜Vin-0.x 0.6V〜ADJ NchMOSFET 2 ・Cable Modem, DSL and ADSL ・Laser Jet and Ink Jet Printers ・Low Voltage Power Modules ・DSP, ASIC, Core and I/O |
6.0V/16V/21V | 50KHz〜1MHz Ext Sync 250KHz〜1MHz |
TSSOP-14 | ||||||||
| NEW LM2748 Synchronous Buck Regulator Step-Down |
〜4A | Vin=1.0〜14V Vcc=3.0〜6.0V Boot=21V |
0.6V〜Vin-0.x 0.6V〜ADJ NchMOSFET 2 ・Cable Modem, DSL and ADSL ・Laser Jet and Ink Jet Printers ・Low Voltage Power Modules ・DSP, ASIC, Core and I/O |
6.0V/16V/21V | 50KHz〜1MHz Ext Sync 250KHz〜1MHz |
|||||||||
| LM3743 PWM Step-Down Soft-Start |
〜10A | 3.0〜5.5V | 0.8V〜Vin-0.xADJ | 6V | 300KHz/1MHz | 19 | MSOP-10 | |||||||
| NEW LM3753 Tracking Scalable 2-Phase Synchronous |
〜300A | 4.5〜18V | 0.6〜3.6V | 24V 6V |
200KHz 〜1MHzSync |
16 | LLP-32 | |||||||
| NEW LM3754 Soft-Start Scalable 2-Phase Synchronous |
〜300A | 4.5〜18V | 0.6〜3.6V | 24V 6V |
200KHz 〜1MHzSync |
16 | LLP-32 | |||||||
| LM2720 | 25A | 4.5〜5.5V 10.0〜18.0V |
1.3〜3.5V 5bitProgramable |
7V 20V |
40KHz〜10MHz | 2, 3, 4 phase PWM Output |
SOP-24 | |||||||
| LM5020 NEW 100V Current Mode PWM Controller |
Controller Controller Controller Controller |
13-90V | External NchMOSFET 1 |
16V 100V |
200KHz 600KHz |
MSOP-10 LLP-10 |
||||||||
| LM5021 NEW AC-DC Current Mode PWM Controller |
8-30V | External NchMOSFET 1 |
5.5/7V 30V |
150KHz 500KHz |
MDIP-8 MDIP-8 |
|||||||||
| LM5025 NEW Active Clamp Voltage Mode PWM Controller |
13-90V | External NchMOSFET 2 |
16V 100V |
200KHz 600KHz |
TSSOP-16 LLP-16 |
|||||||||
| LM5026 NEW Active Clamp Voltage Mode PWM Controller |
13-90V | External NchMOSFET PchMOSFET |
16V 100V |
200KHz 600KHz |
TSSOP-16 LLP-16 |
|||||||||
| LM5030 NEW Push-Pull Current Mode PWM Controller |
14-90V | External NchMOSFET 2 |
16V 100V |
200KHz 600KHz |
MSOP-10 LLP-10 |
|||||||||
| LM5033 NEW Push-Pull Voltage Mode PWM Controller |
15-90V | External NchMOSFET 2 Gate Driver |
16V 100V |
200KHz 600KHz |
MSOP-10 LLP-10 |
|||||||||
| LM5034 NEW High Voltage Dual Interleaved Current Mode Controller with Active Clamp |
13-100V | NchMOSFET 8 |
16V 105V |
200KHz 600KHz |
TSSOP-20 | |||||||||
| LM5035 NEW PWM Controller with Integrated Half-Bridge and SyncFET Drivers |
13-105V | NchMOSFET 4 |
15V 105V |
200KHz 〜 2MHz |
TSSOP EXP PAD-20 LLP-24 |
|||||||||
| LM5041 NEW Cascaded PWM Controller |
15-90V | LM5102 or External NchMOSFET 2 |
16V 100V |
200KHz 600KHz |
TSSOP-16 LLP-16 |
|||||||||
| LM5068 NEW Negative Voltage Hot Swap Controller |
-10〜-90V | External NchMOSFET 1 |
-8V -16V -100V |
MSOP-8 | ||||||||||
| LM5069 NEW positive Voltage Hot Swap Controller |
80〜10V | External NchMOSFET 1 |
MSOP-108 | |||||||||||
| LM5115 NEW Secondary Side Post Regulator Controller |
Vbias4.5〜30V Vhs75V |
External NchMOSFET 2 |
32V 80V |
○ | TSSOP-16 LLP-16 |
|||||||||
| LM25115 NEW Secondary Side Post Regulator Controller |
Vbias4.5〜30V Vhs42V |
External NchMOSFET 2 |
32V 42 80V |
○ | TSSOP-16 LLP-16 |
|||||||||
| LM3578A | 750mA SW | 2〜40V | ADJ | 50V | 〜100KHz | - | ○ | MDIP-8 | SOP-8 | |||||
| Part No | Function | Output Current | Supply Voltage
Vin |
Output Voltage Vout[V] |
Input Voltage |
Switching Frequency |
Ext Parts Number |
Current limit and thermal shutdown | Package |
Live Simulation | ||||
TO-220 |
TO-263 |
DIP |
SOP |
|||||||||||
| LM2724A NEW |
MOSFET Driver MOSFET Driver |
3.0A | 4〜6.8V | - | 7V SW:36V Cboot:42V |
- | - | - | - | - | - | SOP-8 | ||
| LM5102 NEW High Voltage Half-Bridge Gate Driver with Programmable Delay |
1.6/1.8 | 9.0〜14V | 14V/100 | MSOP-10 LLP-10 |
||||||||||
| LM5104 NEW High Voltage Half-Bridge Gate Driver with Adaptive Delay |
SOP-8 LLP-10 |
|||||||||||||
| LM5107 NEW 100V/1.4A Peak Half-Bridge Gate Driver |
1.3/1.4 | 8.0〜14V | 14V/100V |
SOP-8 LLP-8 |
||||||||||
| LM5110 NEW Dual 5A Compound Gate Driver with Negative Output Voltage Capability |
3.0/5.0A | 3.5〜14V | 14V | SOP-8 LLP-10 |
||||||||||
| LM5111 NEW Dual 5A Compound Gate Driver |
3.0/5.0A | 〜14V | 14V | SOP-8 MSOP EXP PAD-8 |
||||||||||
| LM5112 NEW Tiny 7A MOSFET Gate Driver |
3.0/7.0 | 5〜14V | 14V | MSOP EXP PAD-8 LLP-6 |
||||||||||
| LM2722 Not recommended for new designs |
3.0/3.2A | 4〜7V | 7V SW:36V Cboot:42V |
SOP-8 | ||||||||||
| LM2726 Not recommended for new designs |
3A | |||||||||||||
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ナショナルセミコンダクター Home page http://www.national.com にリンク