OCP3601

OCP3601 Step-Up DC/DC Controller  General Description The OCP3601 is a boost topology switching regulator control IC for battery-used applications field. The OCP3601 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/MSOP8/TSSOP8  Typical Application    Digital Camera PDA Portable Equipment  Pin Assignment SOP8 MSOP8 TSSOP8 FB 1 SCP 2 8 7 COMP OSC GND OUT FB SCP Vcc BR/CTL 1 2 3 4 8 COMP OSC GND OUT FB SCP Vcc 1 2 3 8 7 COMP OSC GND OUT OCP3601 Vcc BR/CTL 3 4 6 5 OCP3601 7 6 5 OCP3601 6 5 BR/CTL 4  Pin Description Name FB SCP VCC BR/CTL OUT GND OSC COMP No. 1 2 3 4 5 6 7 8 I/O I I P I O P I O Description Error amplifier inverting input pin Connected a capacitor Soft start and SCP function pin IC Power supply Ou...