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AP3101 Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited |
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AP3101 Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited |
1 / 14 page GREEN MODE PWM CONTROLLER AP3101 Preliminary Datasheet 1 Apr. 2007 Rev. 1. 3 BCD Semiconductor Manufacturing Limited General Description The AP3101 is a green PWM controller operating in current mode. It is specially designed for off-line AC- DC adapter and battery charger applications where the needs for low standby power and better protection function are increasing. The AP3101 features adjustable oscillator frequency in normal operation, which is done by an external resis- tor. It automatically switches to skip cycle mode when output power drops below a given level. The IC also features low start-up and operation current for its BiCMOS process. The AP3101 provides comprehensive protection fea- tures including leading edge blanking, synchronized slope compensation, over-current, over-temperature and short circuit protection. The AP3101 is available in 2 packages: SOIC-8 and DIP-8. Features · Green Current Mode PWM Controller · Adjustable Skip Level · Leading Edge Blanking (LEB) · Cycle by Cycle Current Limit · Built-in Short Circuit Protection · Built-in Synchronized Slope Compensation · Low Start-up/Operating Current: 30µA/3mA · Adjustable Oscillator Frequency · Totem Pole Output Including Soft Driving · Under-Voltage Lockout (UVLO) · Accurate Over-Temperature Protection with Hys- teresis Applications · Off-line AC-DC Adapter · Battery Charger Applications Figure 1. Package Types of AP3101 SOIC-8 DIP-8 |
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