UC3847DW

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Unitrode

UC3847 CURRENT MODE PWM CONTROLL

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Unitrode

UC3847 CURRENT MODE PWM CONTROLL

Technical Specifications

Parameters and characteristics for this part

Specification	UC3847DW

Clock Sync	True
Control Features	Enable, Soft Start, Frequency Control, Current Limit
Duty Cycle (Max) [Max]	50 %
Frequency - Switching	500 kHz
Function	Step-Up, Step-Up/Step-Down
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	0 °C
Output Configuration	Positive
Output Phases	1
Output Type	Transistor Driver
Package / Case	16-SOIC
Package / Case [x]	0.295 in
Package / Case [y]	7.5 mm
Supplier Device Package	16-SOIC
Synchronous Rectifier	True
Topology	Forward Converter, Half-Bridge, Push-Pull, Flyback, Boost
Voltage - Supply (Vcc/Vdd) [Max]	40 V
Voltage - Supply (Vcc/Vdd) [Min]	6.95 V

Part	Output Type	Synchronous Rectifier	Number of Outputs	Topology	Output Configuration	Frequency - Switching	Output Phases	Operating Temperature [Max]	Operating Temperature [Min]	Control Features	Duty Cycle (Max) [Max]	Package / Case [x]	Package / Case	Package / Case [y]	Function	Mounting Type	Supplier Device Package	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Clock Sync
Unitrode UC3847DW	Transistor Driver		2	Boost Flyback Forward Converter Half-Bridge Push-Pull	Positive	500 kHz	1	70 °C	0 °C	Current Limit Enable Frequency Control Soft Start	50 %	0.295 in	16-SOIC	7.5 mm	Step-Up Step-Up/Step-Down	Surface Mount	16-SOIC	6.95 V	40 V

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

General part information

Boost, Flyback, Forward Converter, Half-Bridge, Push-Pull Regulator Positive Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 16-SOIC

Technical documentation and resources