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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AP3203 데이터시트(PDF) 1 Page - BCD Semiconductor Manufacturing Limited |
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AP3203 데이터시트(HTML) 1 Page - BCD Semiconductor Manufacturing Limited |
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1 / 11 page  Preliminary Datasheet 380kHz, 3A Asynchronous DC - DC Buck Converter AP3203 Mar. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 1 General Description The AP3203 is a 380kHz fixed frequency, current mode, PWM buck (step-down) DC-DC converter, capable of driving a 3A load with high efficiency, excellent line and load regulation. The device integrates N-channel power MOSFET switch with low on-resistance. The current mode control provides fast transient response and cycle-by-cycle current limit. A standard series of inductors are available from several different manufacturers optimized for use with the AP3203. This feature greatly simplifies the design of switch-mode power supplies. This IC is available in PSOP-8 package. Features • Input Voltage Range: 4.75V to 18V • Fixed 380kHz Frequency • High Efficiency: up to 93% • Output Current: 3A • Current Mode Control • Built-in Over Current Protection • Built-in Thermal Shutdown Function • Built-in UVLO Function • Built-in Over Voltage Protection • Programmable Soft-start Applications • Portable DVD • DPF • LCD-TV • STB Figure 1. Package Type of AP3203 PSOP-8 |
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