Circuit Description - ViewSonic VS10696 Service Manual

4. Circuit Description

Circuit Description
1. Power supply (DC/DC Converter)
The AT1741 is 2-channel PWM switching regulator controllers that contains an
on-chip 2.5V reference, two error amplifier, an adjustable oscillator, two
dead-time comparators, under voltage lockout circuitry and 2 common-emitter
output. It is idea for step-up, step-down, and inverting converter.
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VA912/b