UC3525A
SMPS Controller
Features
• 5V ± 1% Reference
• Oscillator Sync terminal
• Internal Soft Start
• Deadtime Control
• Under-Voltage Lockout
Internal Block Diagram
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Description
UC3525A is a monolithic integrated circuit that Included
all of the control circuit necessary for a pulse width modulat-
ing regulator. There are a voltage reference, an error ampli-
fier, a pulse width modulator, an oscillator, under-voltage
lockout, soft start circuit, and output drivers in the chip.
16-DIP
1
©2000 Fairchild Semiconductor International
Rev. 5.0