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.
• 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)

TYPICAL APPLICATION
• Digital Camera
• PDA
• Portable Equipment