电源管理器件 - 多路输出稳压器

集成转换LDO 与开关 Combination LDO/Switcher（6）
Integrated Power Management Units (PMUs)
LDO 稳压器LDO Regulators（8）
开关控制器Switching Controllers（3）
开关稳压器Switching Regulators（4）
集成LDO 与转换开关Combination LDO/Switcher（6）
Base Part Number Input Min Voltage Input Max Voltage Output Range Channels Dropout Voltage Feedback Tolerance Output1 VoutMin Output1 VoutMax Output1 IoutMax PowerWise Technology 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 Topology 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
LM3687 2.7 5.5                                           integrated LDO and startup mode, internal compensation, ceramic-cap stable, only 4 external components Synchronous Buck 1800 No No Switching Regulator Yes   No No 93   No No Yes Yes -30 125     Yes
LP3906 2.7 5.5 LDOs: 1.0 to 3.5V; Buck: 0.8 to 3.5V 4 0.08 3 0.8 2 1500 Dynamic Voltage Scaling Buck 1 3.5 1500 Buck 1 3.5 300 LDO 1 3.5 300 LDO 2 LDO regulators, 2 buck regulators Buck, LDO 2000 Yes Yes Power Management Unit Yes No No No 95 1.43 Yes No Yes Yes -40 85   Yes null| Yes
LM26480 2.8 5.5 LDOs: 1.0 to 3.3V; Buck: 0.8 to 3.3V 4 0.08 3 0.8 2 1500   Buck 1 3.3 1500 Buck 1 3.5 300 LDO 1 3.5 30 LDO 2 Bucks, 2 LDOs, Resistor Network set voltages, Separate Enables Buck, LDO 2000 Yes No Power Management Unit Yes No No No 95 1.43 Yes No Yes Yes -40 85   Yes  
LP3907 2.8 5.5 LDOs: 1.0 to 3.5V; Buck: 0.8 to 3.5V 4 0.03 3 0.8 3 1000 Dynamic Voltage Scaling Buck 1 3.5 600 Buck 1 3.5 300 LDO 1 3.5 300 LDO 2 Bucks, 2 LDOs, I2C programmability / interface, nPOR, Flexible Power Sequencing Buck, LDO 2100 Yes Yes Power Management Unit Yes No No No 95 1.43 Yes No Yes Yes -40 85   Yes Yes
LM26484 3 5.5         0.8 3.5 2000 Undefined Buck 0.8 3.5 2000 Buck 0.8 1.5 1000 LDO       Buck     2000     LDO         90   Yes           0    
LP3905 3 5.5 LDOs: 1.5 to 3.3V; Buck: 1 to 3.3V 4 0.08 3 0.5| 1.2 1.2| 3.3 600 null| Undefined Buck 1.875 1.876 600 Buck 2.8 2.8 150 LDO 2.8 2.8 150 LDO 2 LDO regulators, 2 buck regulators Buck, LDO 2000 Yes No Power Management Unit Yes No No No 90 Undefined Yes Yes Yes Yes -40 85      

 

集成电源管理单元(PMU)（9）
Base Part Number 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
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
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
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
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
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
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
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
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
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

 

LDO 稳压器 LDO Regulators（8）
Base Part Number Channels Output Range Output1 Topology Output2 Topology Ceramic Capacitors Stable Input Min Voltage Input Max Voltage Output Accuracy Output1 VoutMin Output1 VoutMax Output1 IoutMax Output2 VoutMin Output2 VoutMax Output2 IoutMax Dropout Voltage Quiescent Current PSRR Voltage Noise (rms) On/Off Pin Error Flag Power on Reset Special Features Temperature Min Temperature Max Output Power Topology Multiple Output Capability RegType Step-Down Adjustable Output
LM9072 2 5V LDO LDO   5.5 27 2 5 5 350 5 5 80 0.8 15     Yes Yes     -40 125   LDO Dual Yes LDO Yes No
LM9073 2 5V LDO LDO   5.5 27   5 5 700 5 5 100 0.8 15     Yes Yes     -40 125   LDO Dual Yes LDO Yes No
LP2966 2 1.8V - 5V LDO LDO No 2.7 7 1 3.6| 1.8 3.6| 1.8 150 3.6| 1.8| 3.3 3.6| 1.8| 3.3 150 0.135 0.34     Yes Yes No Undefined -40 125 Undefined LDO Dual Yes LDO Yes No
LP2967 2 2.6V| 2.8V| 2.5V, 3.3V| 1.8V, 2.5V| 2.8V, 3.3V| 2.5V, 2.8V LDO LDO Yes 2.1 16 1 1.8| 2.5| 2.8| 2.6 1.8| 2.5| 2.8| 2.6 150 2.5| 2.8| 2.6| 3.3 2.5| 2.8| 2.6| 3.3 150 0.275 0.34 47 30 Yes No   Low noise -40 125 Undefined LDO Dual Yes LDO Yes No
LP3986 2 2.5V| 2.8V| 2.5V, 2.8V| 3.1V| 2.85V| 3.0V LDO LDO Yes 2.5 6 3 3.0| 2.5| 3.1| 2.85| 2.8 3.0| 2.5| 3.1| 2.85| 2.8 300 3.0| 3.1| 2.85| 2.8 3.0| 3.1| 2.85| 2.8 150 0.06 0.075     Yes No No Undefined -40 125 Undefined LDO Dual Yes LDO Yes No
LP3996 2 1.5V - 3.3V LDO LDO Yes 2 6 2.75 1.5| 3.0| 1.8| 2.5| 0.8| 2.8| 3.3 1.5| 3.0| 1.8| 2.5| 0.8| 2.8| 3.3 150 1.5| 3.0| 1.8| 2.5| 0.8| 2.8| 3.3 1.5| 3.0| 1.8| 2.5| 0.8| 2.8| 3.3 300 210 70     Yes Yes Yes Undefined -40 85 Undefined LDO Dual Yes LDO Yes No
LP5996 2 1.5V - 3.3V LDO LDO Yes 2 6 2.75 1.5| 3.0| 1.8| 2.5| 0.8| 2.8| 3.3 1.5| 3.0| 1.8| 2.5| 0.8| 2.8| 3.3 150 1.5| 3.0| 1.8| 2.5| 0.8| 2.8| 3.3 1.5| 3.0| 1.8| 2.5| 0.8| 2.8| 3.3 300 210 70     Yes No No Undefined -40 85 Undefined LDO Dual Yes LDO Yes No
LM2984 3 5V LDO LDO No Undefined 26 3 5 5 500 5 5 100 0.53 14     Yes Yes No Aux. 5V/7.5mA LDO -40 125 3.04 LDO Triple Yes LDO Yes No

 

开关控制器Switching Controllers（3）
Base Part Number Channels Topology Output Current Input Min Voltage Input Max Voltage Output Range Frequency Min Frequency Max Efficiency (peak) Feedback Voltage Feedback Tolerance Adj Switch Frequency Adjustable Output Synchronous Rectification On/Off Pin Error Flag SoftStart Sync Pin Inverting Flyback Lossless Current Sense RegType Temperature Min Temperature Max Special Features PWM Mode Step-Down Step-Up Multiple Output Capability Output Power Regulator Family Output Max Output Min PowerWise
LM2647 2 Buck 20000 5.5 28 0.6V to 5V 200 500 - 0.6 1.5 Yes Yes Yes Yes Yes Yes No No No Yes Switching Controller -5 125 PWM/SKIP and FPWM modes; Soft shutdown; Line feedforward; 180deg out-of-phase Voltage with Vin Feedforward Yes No Yes -   5 0.6  
                                                                     
LM5642 2 Buck 20000 4.5 36 1.3V to 96% of Vin 150 250 90 1.2364 1.5 Yes Yes Yes Yes No Yes Yes No No Yes Switching Controller -40 125 180deg out-of-phase channels; individual soft-start allows sequencing Current Yes No Yes Undefined   Undefined 1.3 Yes
LM5642X 2 Buck 20000 4.5 36 1.3V to 96% of Vin 200 500 90 1.2364 1.5 Yes Yes Yes Yes No Yes Yes No No Yes Switching Controller -40 125 180deg out-of-phase channels; individual soft-start allows sequencing Current Yes No Yes Undefined   Undefined 1.3 Yes

 

开关稳压器Switching Regulators（4）
Base Part Number Channels Output Range Output1 Topology Output2 Topology Input Min Voltage Input Max Voltage Frequency Min Frequency Max Efficiency (peak) Adj Switch Frequency Output1 VoutMin Output1 VoutMax Output1 IoutMax Output2 VoutMin Output2 VoutMax Output2 IoutMax Sync Pin MOSFET Rdson SoftStart On/Off Pin Error Flag Special Features Output Power Topology RegType Step-Down Step-Up Inverting Flyback Switching Frequency Multiple Output Capability Temperature Min Temperature Max Feedback Voltage PowerWise
LM26400Y 2 0.6 to 16V Buck Buck 3 20 520 520 Undefined No 0.6 16 2000 0.6 16 2000 No 175 mohm Yes Yes No   Undefined peak-current mode Switching Regulator Yes No No No 520 Yes -40 125    
LM2717 2 1.265V-18V Buck Buck 4 20 300 600 90 Yes 3.3 3.3 2200 1.267 18 3200 No 0.16ohm Yes Yes No See LM2717-ADJ for similar product with 2 adjustable outputs Undefined Dual Buck Switching Regulator Yes No No No 600 Yes -40 125    
LM2717-ADJ 2 1.265V-18V Buck Buck 4 20 300 600 90 Yes 1.267 18 2200 1.267 18 3600 No 0.16ohm Yes Yes No See LM2717 for similar product with 1 fixed output, 1 adjustable output Undefined Dual Buck Switching Regulator Yes No No No 600 Yes -40 125    
LM3370 2 1V to 2V for buck 1; 1.8V to 3.3V for buck 2| 1V-3.3V Buck Buck 2.7 5.5 1500| 2000 2000| 2400 90 Yes| No 1 2 600 1.8| 2 3.3 600 | No | NFET 0.24ohm, PFET 0.39ohm Yes Yes No Dynamic Voltage Scaling| I2C interface | Undefined Voltage Mode| Buck Switching Regulator Yes No No No 2000 Yes -30 85   null| Yes
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