FEATURES
- PWM Buck Control Circuitry - Operating voltage can be up to 20V - Under voltage Lockout (UVLO) Protection - Short Circuit Protection (SCP) - Soft-start circuit - Variable Oscillator Frequency -- 300KHz Max - 0.77V voltage reference Output - 8-pin PDIP and SOP packages APPLICATIONS
- Backlight inverter - LCD Monitor - XDROM, XDSL Product - DC/DC converters in computers, etc. Pin Assignment ( Top View ) OUT VCC COMP FB 1 2 3 4 8 GND 7 CT 6 SS 5 SCP PDIP/SOP AP2008 GENERAL DESCRIPTION
All the functions included an on-chip 0.77V reference output, an error amplifier, an adjusted oscillator, a soft-start, UVLO, SCP circuitry, and a push-pull output circuit. Switching frequency can be adjustable by trimming CT. During low VCC situation, the UVLO makes sure that the outputs are off until the internal circuit is operational normally. Pin Descriptions Name CT FB SS COMP OUT GND VCC SCP DESCRIPTION
Timing Capacitor Voltage Feedback Soft-Start. Feedback Loop Compensation PWM Out...
Anachip
