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发布者:微桥FP5003 发布时间:2010-1-4 阅读:5053次    关键字: FP5003
FP5003-High Frequency PWM Control SC Re-Start


FP5003  High Frequency PWM Control IC with SC Re-Start Function
General Description
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 The FP5003, a high performance monolithic IC, includes adjustable frequency oscillator and error amplifier for pulse modulation width (PWM) control, 1.0V precision voltage reference, under-voltage lockout circuit (UVLO), variable pulse width dead time control (DTC) circuit and programmable auto-restart timer for short circuit shutdown protection (SCSAR). Built-in totem-pole transistors pair to drive MOS directly at high frequency operation for high efficiency. It is very easy to design a dc-dc converter using a few external components, and typical application example is shown below.
Features
˙ Reference Voltage Precision:2%
˙Output source/sink current up to 100mA

˙
Totem-Pole output for MOS drive
˙ Wide operating voltage range:3.6~30V
˙Variable dead-time control (DTC)
˙Under voltage lockout protection function (UVLO)
˙Short circuit shutdown protection / auto re-start function (SCSAR)
˙Oscillator Frequency:Max.1.5MHz
˙Package:SOP8/MSOP8/SOP8(EP)
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