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AP3706 Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited |
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AP3706 Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited |
1 / 13 page PRIMARY SIDE CONTROL IC FOR OFF-LINE BATTERY CHARGERS AP3706 Data Sheet 1 BCD Semiconductor Manufacturing Limited Jul. 2008 Rev. 1.3 General Description The AP3706 is a high performance AC/DC power sup- ply controller for battery charger and adapter applica- tions. The device uses Pulse Frequency Modulation (PFM) method to build discontinuous conduction mode (DCM) flyback power supplies. The AP3706 provides constant voltage, constant cur- rent (CV/CC) regulation without requiring an opto- coupler and secondary control circuitry. It also elimi- nates the need of loop compensation circuitry while maintaining stability. The AP3706 achieves excellent regulation and high power efficiency, the no-load power consumption is less than 200mW at 265VAC input. The AP3706 is available in SOIC-8 and DIP-8 pack- ages. Features · Primary Side Control for Rectangular Constant Current and Constant Voltage Output · Eliminates Opto-Coupler and Secondary CV/CC Control Circuitry · Eliminates Control Loop Compensation Circuitry · Flyback Topology in DCM Operation · Random Frequency Modulation to Reduce System EMI · Valley Turn on of External Power NPN Transistor · Built-in Soft Start · Open Circuit Protection · Over Voltage Protection · Short Circuit Protection Applications · Adapters/Chargers for Cell/Cordless Phones, PDAs, MP3 and Other Portable Apparatus · Standby and Auxiliary Power Supplies Figure 1. Package Types of AP3706 SOIC-8 DIP-8 |
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Similar Description - AP3706_08 |
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