Base Part Number |
数据手册DataSheet下载 |
Switch Current |
Output Min |
Output Max |
Output Range |
Input Min Voltage |
Input Max Voltage |
Frequency Min |
Frequency Max |
Efficiency (peak) |
Sync Pin |
Adj Switch Frequency |
On/Off Pin |
Error Flag |
SoftStart |
Special Features |
PWM Mode |
Topology |
Step-Up |
Inverting |
Flyback |
RegType |
Adjustable Output |
Output Power |
Temperature Min |
Temperature Max |
Feedback Voltage |
AEC Q-100 Automotive Grade |
Automotive Selection Guide |
PowerWise |
Quiescent Current |
数据手册DataSheet下载 |
LM3668 |
LM3668 |
1000| 1 |
3| 2.8 |
5| 3.3 |
| 2.8/3.3 |
2.5 |
5.5 |
1600 |
2700 |
93 |
Yes |
Yes| No |
Yes |
No |
Yes |
Buck-Boost| Aut |
| Auto PFM-PWM & Forced PWM |
| Buck-Boost| Voltage Mode |
| Yes |
|
|
Switching Regulator| LDO |
| Yes| No |
|
| -40 |
| 85 |
| null |
Undefined |
| null |
Yes| null |
|
LM3668 |
LM78S40 |
LM78S40 |
1.5 |
1.245 |
Undefined |
1.245V min |
2.5 |
40 |
0.1 |
100 |
- |
No |
Yes |
No |
No |
No |
Integrated 1.5A diode, uncommitted op amp |
Voltage |
Buck, Boost, Flyback, Inverting |
Yes |
Yes |
Yes |
Switching Regulator |
Yes |
-| Undefined |
-55 |
125 |
1.245 |
Undefined |
| null |
| null |
|
LM78S40 |
LM5015 |
LM5015 |
1.2 |
Undefined |
Undefined |
Undefined |
4.25 |
75 |
25 |
750 |
87 |
Yes |
Yes |
Yes |
No |
Yes |
|
Current Mode |
Two-Switch Forward |
Yes |
Yes |
Yes |
Switching Regulator |
Yes |
Undefined |
-40 |
125 |
|
|
|
|
|
LM5015 |
LM5001 |
LM5001 |
1 |
Undefined |
Undefined |
Undefined |
3.1 |
75 |
50 |
1500 |
96 |
Yes |
Yes |
Yes |
No |
No |
|
Current Mode |
Boost, Flyback, Forward, SEPIC |
Yes |
No |
Yes |
Switching Regulator |
Yes |
Undefined |
-40 |
125 |
1.26 |
|
Yes |
|
|
LM5001 |
LM2611 |
LM2611 |
0.9| 1.2 |
-1.23 |
Undefined |
-1.23V to -(36-Vinmax)V |
2.7 |
14 |
1400 |
1400 |
80 |
No |
No |
Yes |
No |
No |
|
CUK |
Inverting |
No |
Yes |
No |
Switching Regulator |
Yes |
2 |
-40 |
125 |
|
|
|
|
|
LM2611 |
LM2578A |
LM2578A |
0.75 |
|
|
Undefined |
2 |
40 |
1 |
100 |
Undefined |
No |
Yes |
No |
No |
No |
FB and NFB pins |
Voltage |
Buck, Boost, Flyback, Inverting |
Yes |
Yes |
Yes |
Switching Controller |
Yes |
|
-40 |
125 |
1 |
Undefined |
|
|
Undefined |
LM2578A |
LM3578A |
LM3578A |
0.75 |
1 |
Undefined |
Undefined |
Undefined |
40 |
1 |
100 |
- |
No |
Yes |
No |
No |
No |
FB and NFB pins |
Voltage |
Buck, Boost, Flyback, Inverting |
Yes |
Yes |
Yes |
Switching Regulator |
Yes |
Undefined |
0 |
125 |
1 |
Undefined |
|
|
|
LM3578A |
LM5002 |
LM5002 |
0.5 |
Undefined |
Undefined |
Undefined |
3.1 |
75 |
50 |
1500 |
95 |
Yes |
Yes |
Yes |
No |
No |
|
Current Mode |
Boost, Flyback, Forward, SEPIC |
Yes |
No |
Yes |
Switching Regulator |
Yes |
Undefined |
-40 |
125 |
1.26 |
|
Yes |
|
|
LM5002 |
Base Part Number |
数据手册DataSheet下载 |
Input Max Voltage |
Input Min Voltage |
Adjustable Output |
Feedback Voltage |
Output Range |
Frequency Min |
Frequency Max |
Efficiency (peak) |
Adj Switch Frequency |
Sync Pin |
On/Off Pin |
SoftStart |
Error Flag |
Special Features |
Output Power |
Topology |
Output Max |
Output Min |
AEC Q-100 Automotive Grade |
Output Current |
Step-Down |
Step-Up |
Inverting |
Flyback |
RegType |
Multiple Output Capability |
Temperature Min |
Temperature Max |
PowerWise |
Quiescent Current |
数据手册DataSheet下载 |
LM5020 |
LM5020 |
100 |
13 |
Yes |
1.25 |
Undefined |
50 |
1000 |
85 |
Yes |
Yes |
Yes |
Yes |
No |
80% and 50% duty cycle limit (-2 and -1 versions), Programmable UVLO, error amplifier for non-isolated designs, leading-edge blanking, high current gate drive |
300 |
Flyback, Inverting, Buck, Boost, Forward |
Undefined |
1.25 |
|
- |
Yes |
Yes |
Yes |
Yes |
Switching Controller |
Yes |
-40 |
125 |
Yes |
|
LM5020 |
LM5118 |
LM5118 |
75 |
3 |
Yes |
1.23 |
1.23V-70V |
50 |
500 |
95 |
Yes |
Yes |
Yes |
Yes |
No |
soft mode transition |
Undefined |
buck-boost |
70 |
1.23 |
|
Undefined |
Yes |
Yes |
No |
No |
Switching Controller |
No |
-40 |
125 |
Yes |
|
LM5118 |
LM5022 |
LM5022 |
60 |
6 |
Yes |
1.25 |
|
50 |
2000 |
90 |
Yes |
Yes |
Yes |
Yes| null |
No |
|
|
Boost, Sepic |
|
|
|
|
No |
Yes |
No |
No |
Switching Controller |
No |
-40 |
125 |
Yes |
|
LM5022 |
LM3481 |
LM3481 |
48 |
2.97 |
Yes |
1.275 |
1.275V min |
100 |
1000 |
Undefined |
Yes |
Yes |
Yes |
Yes |
No |
Adjustable UVLO |
Undefined |
Boost, SEPIC, Flyback |
|
|
|
Undefined |
No |
Yes |
No |
Yes |
Switching Controller |
Yes |
-40 |
125 |
|
|
LM3481 |
LM2524D |
LM2524D |
40 |
5 |
Yes |
Undefined |
- |
0.001 |
550 |
- |
Yes |
Yes |
Yes |
Yes |
No |
Dual bipolar (C, E) outputs |
- |
Buck, Boost, Flyback, Push-pull |
|
|
|
200 |
Yes |
Yes |
Yes |
Yes |
Switching Regulator |
Yes |
-40 |
125 |
|
|
LM2524D |
LM3478 |
LM3478 |
40 |
2.95 |
Yes |
1.26 |
1.26V min |
100 |
1000 |
- |
Yes |
Yes |
Yes |
Yes |
No |
|
- |
Boost, Sepic, Flyback |
|
1.26 |
Undefined |
- |
No |
Yes |
No |
Yes |
Switching Controller |
Yes |
-40 |
125 |
|
|
LM3478 |
LM3488 |
LM3488 |
40 |
2.95 |
Yes |
1.26 |
1.26V min |
100 |
1000 |
- |
Yes |
Yes |
Yes |
Yes |
No |
|
- |
Boost, Sepic, Flyback |
|
|
Undefined |
- |
No |
Yes |
No |
Yes |
Switching Regulator |
Yes |
-40 |
125 |
|
|
LM3488 |
LM3578A |
LM3578A |
40 |
Undefined |
Yes |
1 |
Undefined |
1 |
100 |
- |
Yes |
No |
No |
No |
No |
FB and NFB pins |
Undefined |
Buck, Boost, Flyback, Inverting |
Undefined |
1 |
Undefined |
750 |
Yes |
Yes |
Yes |
Yes |
Switching Regulator |
No |
0 |
125 |
|
|
LM3578A |
LM5021 |
LM5021 |
30 |
8 |
Yes |
Undefined |
set by external feedback network |
50 |
1000 |
Undefined |
Yes |
Yes |
Yes |
Yes |
No |
For offline (AC-DC) applications, direct opto-coupler interface |
Undefined |
Flyback, Forward |
|
|
|
Undefined |
Yes |
Yes |
Yes |
Yes |
Switching Controller |
Yes |
-40 |
125 |
|
|
LM5021 |