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HM3800S - BOOST CONVERT CONTROLLER

General Description

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

Key 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 ˙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) SOP8 TSSOP 8.

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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 ˙High speed oscillator frequency: 1MHz max.