UC3525A Fairchild SMPS Controller Data Sheet
Download PDF datasheet for Fairchild Semiconductor UC3525A SMPS Controller (EN) 8 pages Rev.5.0 2000 zip
Description
This PDF datasheet is for the Fairchild UC3525A SMPS Controller.
Fairchild Semiconductor UC3525A SMPS Controller
UC3525A is a monolithic integrated circuit that Included all of the control circuit necessary for a pulse width modulating regulator. There are a voltage reference, an error amplifier, a pulse width modulator, an oscillator, under-voltage lockout, soft start circuit, and output drivers in the chip.
(PDF) DATASHEET (ENGLISH)
CONTENTS
FEATURES
– 5V +/- 1% Reference
– Oscillator Sync terminal
– Internal Soft Start
– Deadtime Control
– Under-Voltage Lockout
INTERNAL BLOCK DIAGRAM
UC3525A PINOUT
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
– Error Amplifier Section (Vcm = 5.1v)
– PWM Comparator Section
– Soft-Start Section
– Output Section
– Standby Current
TEST CIRCUIT
MECHANICAL DIMENSIONS
ORDERING INFORMATION
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