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HM3800S

更新时间： 2024-09-21 02:49:59

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HM3800S 数据手册

HM3800S

BOOST CONVERT CONTROL IC

GENERAL DESCRIPTION

The HM3800 is a boost topology switching regulator control IC for battery-used applications

field. The HM3800 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.

FEATURES

˙Wide supply voltage operating range: 1.8 to 15V

˙Reference voltage precision: 4%

˙Low current consumption: Operation Mode 5.5mA

Standby-by Mode 1μA

SOP8

˙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/SOP8(EP)

TSSOP8

TYPICAL APPLICATION

˙Digital Camera

˙PDA

MS OP8

˙Portable Equipment

Shenzhen H&M Semiconductor Co.Ltd http：//www.hmsemi.com

12 3 4 5 6 7...27

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