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KA3525A

Fairchild
Part Number KA3525A
Manufacturer Fairchild
Description SMPS CONTROLLER
Published Apr 25, 2005
Detailed Description KA3525A SMPS Controller www.fairchildsemi.com Features • 5V ±1% Reference • Oscillator Sync Terminal • Internal Soft S...
Datasheet PDF File KA3525A PDF File

KA3525A
KA3525A

Overview
KA3525A SMPS Controller www.
fairchildsemi.
com Features • 5V ±1% Reference • Oscillator Sync Terminal • Internal Soft Start • Deadtime Control • Under Voltage Lockout Description The KA3525A is a monolithic integrated circuit that includes all of the control circuits necessary for a pulse width modulating regulator.
There are a voltage reference, an error amplifier, a pulse width modulator, an oscillator, an under voltage lockout, a soft start circuit, and the output driver in the chip.
16-DIP Internal Block Diagram 1 VREF 16 VCC 15 GND 12 BAND GAP REF 5V U.
V.
L.
O.
EA(-) 1 EA(+) 2 EAOUT 9 _ ERR AMP + C8 (SOFT START) 5K 10 SHUT DOWN CT 5 7 5K DISCHARGE _ PWM COMP + LATCH SR OSCIL...


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