KA3882C Fairchild SMPS Controller Data Sheet
Download PDF datasheet for Fairchild Semiconductor KA3882C Fixed PWM controller (EN) 8 pages Rev.1.0.0 2001 zip
Description
This PDF datasheet is for the Fairchild KA3882C PWM Controller.
Fairchild Semiconductor KA3882C Fixed PWM SMPS Controller
The KA3882C is a fixed PWM controller for Off-Line and DC to DC converter applications. The internal circuits include UVLO, low start up current circuit, temperature compensated reference, high gain error amplifier, current sensing comparator, and high current totem pole output for driving a POWER MOSFET.
Also KA3882C provides low start up current below 0.3mA and short shutdown delay time typ. 100ns.
The KA3882C has UVLO threshold of 16V(on) and 10V(off).
The KA3882C can operate within 100% duty cycle.
FEATURES
– Low Start Current 0.2mA (typ)
– Operating Range Up To 500KHz
– Cycle by Cycle Current Limiting
– Under Voltage Lock Out With Hysteresis
– Short Shutdown Delay Time: typ.100ns
– High Current Totem-pole Output
– Output Swing Limiting: 22V
(PDF) DATASHEET (ENGLISH)
CONTENTS
INTERNAL BLOCK DIAGRAM (PINOUT)
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
– Reference Section
– Osillator Section
– Current Sense Section
– Error Amplifier Section
– Output Section
– Under Voltage Lockout Section
– Pwm Section
– Total Standby Current
MECHANICAL DIMENSIONS
ORDERING INFORMATION
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