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Monolithic Dual Channel PWM Controller
AP2001
Features
- Dual PWM Control Circuitry - Operating voltage can be up to 50V - Adjustable Dead Time Control (DTC) - Under voltage Lockout (UVLO) Protection - Short Circuit Protection (SCP) - Variable Oscillator Frequency...... 500Khz Max - 2.5V voltage reference Output - 16-pin PDIP and SOP packages
Applications
- Backlight inverter - DC/DC converts in computers, etc.
General Description
The AP2001 integrates Pulse-width-Modulation (PWM) control circuit into a single chip, mainly designs for power-supply regulator. All the functions included an on-chip 2.5V reference output, two error amplifiers, an adjustable oscillator, two dead-time comparators, UVLO, SCP, DTC circuitry, and dual common-emitter(CE) output transistor circuit.