GENERAL DESCRIPTION

The CX8808 is a boost topology switching regulator control IC for battery-used applications field. The CX8808 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: 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: TSSOP8

TYPICAL APPLICATION

˙Digital Camera
˙PDA
˙Portable Equipment

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