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发布者:微桥FP5148 发布时间:2010-1-4 阅读:4341次    关键字: FP5148
FP5148-2 CHANNEL SYNCHRONOUS PWM CONTROL IC


FP5148 2 CHANNEL SYNCHRONOUS PWM CONTROL IC
General Description
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 The FP5148 is a Dual synchronous buck switching regulator control and selectable over-current protection controller IC for DC-DC applications field. The FP5148 includes a two stage 180° out of phase for driving NMOS, power down under-voltage lockout circuit (UVLO) , the inverting input of amplifier connects to a 0.8V precision reference regulator , short circuit and over current shutdown protection circuit (SCP/OCP)and programmable soft start function.
 
Features
˙Feedback Reference Voltage: 0.8V
˙Reference Voltage Precision: 2%
˙UVLO protection function
˙Totem-pole Output for MOS Driving
˙Peak Output Source/Drive Capability: 500mA
˙Programming Oscillation Frequency
˙Programmable Soft Start function (SS)
˙OC/SC Protection function(OCP/SCP)
˙Package: SOP16/SOP16(EP)
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