电源管理器件 - - 隔离应用

Power Supply Feedback Control/Opto-Coupler Drivers（1）
Switching Controllers（24）
Power Supply Feedback Control/Opto-Coupler Drivers（1）
Base Part Number Output Type Feedback Voltage Feedback Tolerance Special Features Output Current Temperature Min Temperature Max RegType Quiescent Current
LM3411 Current (15uA-20mA) 5 0.5| 1 Custom voltages available, 3V-17V 15 -40 85 Linear/LDO Controller 0.085

 

Switching Controllers（24）
Base Part Number Topology PWM Mode Input Min Voltage Input Max Voltage Frequency Max Adj Switch Frequency Frequency Min Sync Pin Sync Type UVLO On/Off Pin Error Flag Current Limit Type Gate Drive Output Current Feedback Voltage Feedback Tolerance Output Range Special Features Temperature Min Temperature Max Step-Down Step-Up Flyback Inverting RegType Adjustable Output Output Power Switching Frequency Efficiency (peak) Multiple Output Capability AEC Q-100 Automotive Grade Automotive Selection Guide PowerWise Quiescent Current
LM3481 Boost, SEPIC, Flyback   2.97 48 1000 Yes 100 Yes     Yes No     Undefined 1.275   1.275V min Adjustable UVLO -40 125 No Yes Yes No Switching Controller Yes Undefined   Undefined Yes   Yes    
LM3478 Boost, Sepic, Flyback   2.95 40 1000 Yes 100 Yes     Yes No     - 1.26   1.26V min   -40 125 No Yes Yes No Switching Controller Yes - 1000 - Yes Undefined Yes    
LM3488 Boost, Sepic, Flyback   2.95 40 1000 Yes 100 Yes     Yes No     - 1.26   1.26V min   -40 125 No Yes Yes No Switching Regulator Yes - 1000 - Yes Undefined Yes    
LM5116 Buck Current 6 100 1000 Yes 50 Yes     Yes No     20000 1.215 1.5 1.215V to 80V High step-down ratio using emulated current mode control -40 125 Yes No No No Switching Controller Yes Undefined   95 No 0 Yes Yes  
LM3578A Buck, Boost, Flyback, Inverting Voltage Undefined 40 100 Yes 1 No     No No     750 1 7 Undefined FB and NFB pins 0 125 Yes Yes Yes Yes Switching Regulator Yes Undefined 20 - No Undefined      
LM5021 Flyback, Forward Current 8 30 1000 Yes 50 Yes Up No Yes No cycle-cycle, hiccup 0.7 Undefined Undefined   set by external feedback network For offline (AC-DC) applications, direct opto-coupler interface -40 125 Yes Yes Yes Yes Switching Controller Yes Undefined 500 Undefined Yes        
LM5020 Flyback, Inverting, Buck, Boost, Forward Current 13 100 1000 Yes 50 Yes Up Yes Yes No cycle-cycle 1 - 1.25 2 Undefined 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 -40 125 Yes Yes Yes Yes Switching Controller Yes 300 1000 85 Yes     Yes  
LM5025 Forward Active Clamp Voltage/Feed-forward 8 90 1000 Yes 100 Yes Up, down Yes Yes No cycle-cycle, hiccup 3 Undefined     Undefined   -40 125 Yes Yes No Yes Switching Controller Yes 300 1000 92.5 Yes     Yes  
LM5025A Forward Active Clamp Voltage/Feed-forward 8 90 1000 Yes 100 Yes Up, down Yes Yes No cycle-cycle, hiccup 3 -     -   -40 125 Yes Yes Yes Yes Switching Controller Yes 300 1000 92.5 Yes     Yes  
LM5025B Forward Active Clamp Voltage/Feed-forward 8 100 1000 Yes 100 Yes Up, down Yes Yes No cycle-cycle, hiccup 3 Undefined Undefined Undefined Undefined Undefined -40 125 Yes Yes No Yes Switching Controller Yes 300 1000 92.5 Yes     Yes  
LM5026 Forward Active Clamp Current 8 100 1000 Yes 100 Yes Input, Output Yes Yes No cycle-cycle, hiccup 3 -     Undefined High bandwidth opto interface; programmable max. duty cycle -40 125 Yes Yes Yes Yes Switching Controller Yes 300 1000 92.5 Yes     Yes  
LM5034 Forward Active Clamp Current 13 100 1000 Yes 100 Yes Up Yes Yes No cycle-cycle, hiccup 2.5 Undefined     NA Controls dual or single interleaved converter -40 125 Yes Yes No Yes Switching Controller Yes 600 2000 94 Yes     Yes  
LM5032 Forward, Flyback Current 13 100 1000 Yes 100 Yes Up Yes Yes No cycle-cycle, hiccup 2.5 -       Controls dual or single interleaved converter -40 125 Yes Yes Yes Yes Switching Controller Yes 600 2000 85 Yes     Yes  
LM5035A Half-Bridge Voltage 8 105 1000 Yes 50 Yes Up Yes No No cycle-cycle, hiccup 2 Undefined Undefined Undefined Undefined SyncFET driver, high bandwidth opto interface, thermal sensor/OVP comparator -40 125 Yes Yes Yes Yes Switching Controller Yes 100 1000 92 Yes     Yes  
LM5035 Half-bridge Voltage 8 105 1000 Yes 50 Yes Up Yes No No cycle-cycle, hiccup 2 Undefined     Undefined SyncFET driver, high bandwidth opto interface, thermal sensor/OVP comparator -40 125 Yes Yes Yes Yes Switching Controller Yes 100 1000 92 Yes     Yes  
LM5030 Push-Pull, Full-bridge, Half-bridge Current 8 100 1000 Yes 50 Yes Up No Yes No cycle-cycle, hiccup 1.5 - 1.25 2 Undefined Slope compensation, direct opto-coupler interface -40 125 Yes Yes No Yes Switching Controller Yes 800 1000 95 Yes     Yes  
LM5033 Push-Pull, Half-bridge, Full-bridge, IBC Voltage 15 100 1000 Yes 50 Yes Up No Yes No Hiccup 1.5 Undefined 1.25 2 Undefined Intermediate bus converter controller -40 125 Yes Yes No Yes Switching Controller Yes 500 1000 95.5 Yes     Yes  
LM25037 Push-Pull,Half-Bridge and Full-Bridge Feed Forward Voltage/Current Mode 5.5 75 2000 Yes 50 Yes Up Yes No No Cycle-Cycle and Hiccup 1.2 Undefined 1.25 2 Undefined Dual-Mode control,Maximum Duty Cycle Limit, 5V Reference, Soft-Start -40 125 Yes Yes No No Switching Controller Yes 50 250 88 No 0 No Yes  
LM5037 Push-Pull,Half-Bridge and Full-Bridge Feed-Forward Voltage Mode/Current Mode 13 100 2000000 Yes 50 Yes Up Yes No No Cycle-Cycle and Hiccup-Mode Restart 1.2 Undefined 1.25 2 Undefined Soft-start, 5V Reference, UVLO with adjustable hysteresis -40 125 Yes Yes No Yes Switching Controller Yes Undefined Undefined 88 Yes 0 Yes Yes 3
LM5115 Secondary-side post regulator Voltage/current-injection 4.5 75 1000 Yes 50 Yes Up No Yes No cycle-cycle 2.5 20000 0.75 1.7 0.75V to 13.5V Tracking; Operates from AC or DC input; Voltage mode/current injection simplifies loop compensation; SSPR; Synchronization -40 125 Yes No No No Switching Controller Yes 300 1000 90 No   Yes    
LM5115A Secondary-side post regulator Valley current mode 4.5 75 1000 Yes 50 Yes Up No Yes No cycle-cycle 2.5 20000 0.75 1.7 0.75 to 13.5V Tracking -40 125 Yes No No No Switching Controller Yes 300 1000 90 No Undefined Yes Undefined  
LM25115 Synchronous secondary-side post-regulator Voltage/current-injection 4.5 42 1000 Yes 100 Yes Up No Yes No cycle-cycle 2.5 20000 0.75 1.7 0.75V to 13.5V   -40 125 Yes No No No Switching Controller Yes 300 1000 90 Yes   Yes    
LM5041 Voltage-fed or Current-fed push-pull Current 10 100 1000 Yes 50 Yes Up Yes Yes No cycle-cycle, hiccup 1.5 - 0.75 2 - Programmable deadtime, overlap timing -40 125 Yes Yes No Yes Switching Controller Yes 500 1000 91 Yes     Yes  
LM5041A Voltage-fed or Current-fed push-pull Current 10 100 1000 Yes 50 Yes Up Yes Yes No cycle-cycle 1.5 Undefined 0.75 2 Undefined Programable deatime, overlap timing -40 125 Yes Yes No Yes Switching Controller Yes 500 1000 91 Yes     Yes  
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