Base Part Number |
数据手册DataSheet下载 |
Channels |
Output Range |
Input Min Voltage |
Input Max Voltage |
Topology |
PowerWise Technology |
Dropout Voltage |
Feedback Tolerance |
Output1 VoutMin |
Output1 VoutMax |
Output1 IoutMax |
Output1 Topology |
Output2 VoutMin |
Output2 VoutMax |
Output2 IoutMax |
Output2 Topology |
Output3 VoutMin |
Output3 VoutMax |
Output3 IoutMax |
Output3 Topology |
Output4 VoutMin |
Output4 VoutMax |
Output4 IoutMax |
Output4 Topology |
Special Features |
Switching Frequency |
Adj Switch Frequency |
Sync Pin |
RegType |
Step-Down |
Step-Up |
Inverting |
Flyback |
Efficiency (peak) |
Output Power |
Adjustable Output |
Error Flag |
On/Off Pin |
Multiple Output Capability |
Temperature Min |
Temperature Max |
AEC Q-100 Automotive Grade |
Automotive Selection Guide |
PowerWise |
Quiescent Current |
数据手册DataSheet下载 |
LP3970 |
LP3970 |
13 |
LDOs: 1.5 to 3.3V; Buck1: 0.8 to 2V; Buck2: 1.8 to 3.3V |
2.7 |
5.5 |
Buck, LDO |
Dynamic Voltage Scaling |
0.15 |
3 |
0.8 |
2 |
650 |
Buck |
1.8 |
3.3 |
650 |
Buck |
1.5 |
3.4 |
300 |
LDO |
1.1 |
1.1 |
100 |
LDO |
2 Buck regulators, 11 LDOs. See datasheet for specific output voltages & currents. |
1600 |
No |
Yes |
Power Management Unit |
Yes |
No |
No |
No |
90 |
|
Yes |
Yes |
Yes |
Yes |
-40 |
125 |
|
|
Yes |
|
LP3970 |
LP3971 |
LP3971 |
9 |
LDOs: 1.0 to 3.3V; Bucks: 0.8 to 3.3V |
2.7 |
5.5 |
Buck, LDO |
Dynamic Voltage Scaling |
0.25 |
3 |
0.8 |
3.3 |
1600 |
Buck |
1 |
3.3 |
370| 300 |
LDO |
1.8 |
3.3 |
300 |
LDO |
1 |
3.3 |
150 |
LDO |
3 buck regulators, 6 LDOs. See datasheet for specific output voltages, currents. |
2000 |
No |
Yes |
Power Management Unit |
Yes |
No |
No |
No |
Undefined| 95 |
Undefined |
Yes |
Yes |
Yes |
|
-40 |
125 |
|
|
Yes |
|
LP3971 |
LP3972 |
LP3972 |
9 |
LDOs: 1.0 to 3.3V; Bucks: 0.8 to 3.3V |
2.7 |
5.5 |
Buck, LDO |
Dynamic Voltage Scaling |
0.25 |
3 |
0.8 |
3.3 |
1600 |
Buck |
1 |
3.3 |
300 |
LDO |
1.8 |
3.3 |
300 |
LDO |
1 |
3.3 |
150 |
LDO |
3 buck regulators, 6 LDOs. See datasheet for specific output voltages, currents. |
2000 |
No |
Yes |
Power Management Unit |
Yes |
No |
No |
No |
95 |
Undefined |
Yes |
Yes |
Yes |
Yes |
-40 |
125 |
Undefined |
|
Yes |
|
LP3972 |
LP3921 |
LP3921 |
7 |
1.5 to 3.3V |
3 |
5.5 |
Undefined |
Undefined |
0.22 |
2 |
1.5 |
3.3 |
300 |
LDO |
2.5 |
3.3 |
300 |
LDO |
1.5 |
3.3 |
150 |
LDO |
1.5 |
3.3 |
80 |
LDO |
Li-Ion battery charger, Boomer Audio Amp |
Undefined |
Undefined |
Undefined |
LDO |
Yes |
No |
No |
No |
Undefined |
Undefined |
Yes |
No |
Yes |
Yes |
-40 |
85 |
Undefined |
Undefined |
Undefined |
Undefined |
LP3921 |
LP5552 |
LP5552 |
7 |
Bucks: 0.6 to 1.235V; LDO1: 0.7 to 2.2V; LDO2: 1.5 to 3.3V; LDO3 and LDO4: 0.6 to 1.25V; LDO5: 1.2 to 3.3V |
2.7 |
4.8 |
Buck, LDO |
Adaptive Voltage Scaling |
0.26 |
Undefined |
0.6 |
1.235 |
800 |
Buck |
0.6 |
1.235 |
800 |
Buck |
1.5 |
3.3 |
250 |
LDO |
0.7 |
2.2 |
100 |
LDO |
PowerWise 2.0 compliant with 2 slave domains. 2 Buck regulators; 5 LDOs. |
3600 |
No |
No |
Power Management Unit |
Yes |
No |
No |
No |
88 |
Undefined |
Yes |
No |
Yes |
Yes |
-40 |
125 |
|
|
Yes |
|
LP5552 |
LP5551 |
LP5551 |
6 |
Bucks: 0.6 to 1.2V; LDO1: 0.7 to 2.2V; LDO2 and LDO4: 1.5 to 3.3V; LDO3: 0.6 to 1.35V |
2.7 |
5.5 |
Buck, LDO |
Adaptive Voltage Scaling |
0.19 |
Undefined |
0.6 |
1.2 |
300 |
Buck |
0.6 |
1.2 |
300 |
Buck |
1.5 |
3.3 |
250 |
LDO |
0.7 |
2.2 |
100 |
LDO |
PowerWise 1.0 compliant. 1 AVS Buck, 1 DVS Buck, 4 LDOs; NWELL and PWELL bias outputs. |
1000 |
No |
No |
Power Management Unit |
Yes |
No |
No |
No |
90 |
Undefined |
Yes |
No |
Yes |
Yes |
-40 |
125 |
|
|
Yes |
|
LP5551 |
LP3910 |
LP3910 |
5 |
LDOs: 1.0 to 3.3V; Buck: 0.8 to 3.3V |
2.7 |
5.5 |
Buck, LDO, Buck/Boost, Battery Charger |
Dynamic Voltage Scaling |
0.03 |
3 |
0.8 |
3.3 |
600 |
Buck |
0.8 |
3.3 |
600 |
Buck |
3.3 |
3.3 |
1000 |
Buck |
1 |
3.3 |
300 |
Buck |
2 Bucks, Buck/Boost, 2 LDOs, I2C programmability / interface, Dual input Battery Charger |
2000 |
Yes |
No |
Power Management Unit |
Yes |
No |
No |
No |
95 |
|
Yes |
No |
Yes |
Yes |
-40 |
85 |
|
|
Yes |
|
LP3910 |
LP3913 |
LP3913 |
5 |
LDOs: 1.0 to 3.3V; Buck: 0.8 to 3.3V |
2.7 |
5.5 |
Buck, LDO, Battery Charger |
Dynamic Voltage Scaling |
0.03 |
3 |
0.8 |
3.3 |
600 |
Buck |
0.8 |
3.3 |
600 |
Buck |
1 |
3.3 |
500 |
Buck |
1 |
3.3 |
300 |
LDO |
3 Bucks, 2 LDOs, I2C programmability / interface, Dual input Battery Charger |
2000 |
Yes |
No |
Power Management Unit |
Yes |
No |
No |
No |
95 |
|
Yes |
No |
Yes |
Yes |
-40 |
85 |
|
|
Yes |
|
LP3913 |
LP5550 |
LP5550 |
4 |
Buck: 0.6 to 1.2V; LDO1: 0.7 to 2.2V; LDO2: 1.5 to 3.3V; LDO3: 0.6 to 1.35V |
3 |
5.5 |
Buck, LDO |
Adaptive Voltage Scaling |
0.26 |
Undefined |
0.6 |
1.2 |
300 |
Buck |
0.7 |
2.2 |
100 |
LDO |
1.5 |
3.3 |
250 |
LDO |
0.6 |
1.35 |
50 |
LDO |
PowerWise 1.0 compliant. 1 AVS Buck, 3 LDOs. |
1000 |
No |
No |
Power Management Unit |
Yes |
No |
No |
No |
90 |
Undefined |
Yes |
No |
Yes |
Yes |
-40 |
125 |
|
|
Yes |
|
LP5550 |