KA3525A PDF Datasheet
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Description
This is SMPS CONTROLLER. KA3525A
SMPS CONTROLLER
VOLTAGE-MODE PWM CONTROLLER
The KA3525A 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. 16-DIP
16-SOP-225A
FEATURES
5V 1% Reference Oscillator Sync Terminal Internal Soft Start Deadtime Control Under-Voltage Lockout
ORDERING INFORMATION
Device KA3525A Package 16 DIP 16-SOP-225A Operating Temperature -30 ~ +85 -30 ~ +85
BLOCK DIAGRAM
KA3525AD
5.5K
43K
5.5K
Rev. B
1999 Fairchild Semiconductor Corporation
KA3525A
ABSOLUTE MAXIMUM RATINGS
Characteristic Supply Voltage Collector Supply Voltage Output Current, Sink or Source Reference Output Current Oscillator Charging Current Power Dissipation (T A = 25 Operating Temperature Storage Temperature Lead Temperature (Soldering, 10 sec) Symbol VCC VC I.