发布者：微桥FP5139B 发布时间：2010/1/6 阅读：14109次    关键字： FP5139B

FP5139B  BOOST CONVERT CONTROL IC General Description Download 　The FP5139B is a boost topology switching regulator control IC for battery-used applications field. The FP5139B includes a totem-pole single output stage for driving NPN transistor or N-MOS, high precision reference (0.5V) for comparing output voltage with feedback amplifier, an internal dead-time control for controlling the minimum duty cycle, programmable soft start with short circuit protection function and logic level control for operating mode or standby mode. ˙Data Sheet ˙Application Note Features ˙Wide supply voltage operating range: 1.8 to 15V ˙Reference voltage precision: 2% ˙Low current consumption: Operation Mode 5.5mA                                                       Standby-by Mode 1μA ˙High speed oscillator frequency: 1MHz max. ˙Programmable Soft Start function (SS) ˙Short Circuit Protection function(SCP) ˙Totem-pole output with adjustable on/off current      (for NPN transistors or n-channel MOSFET) ˙Logic level control stand-by mode function ˙Package: SOP8/TSSOP8/MSOP8