AA18380-Switching Regulator Controller

Block Diagram   Data Sheet Package：SOP8,TSSOP8 详细型录,请连络我们 所有产品 回到首页 General Description The AA18380 is a single-channel PWM DC-DC regulator control IC that supports low-voltage operation. This IC features a low minimum operating voltage of 1.8 V and low current consumption, is optimal for use in high-efficiency power supplies for portable electronic equipment. Features ．Wide operating supply voltage range: 1.8 V to 15 V ．Stable reference voltage circuit: 1.25V ．Low current consumption: Typically 5.5 mA in operation, 1 μA or less in stand-by ．Wide PWM output frequency range: 10 kHz to 1 MHz ．Incorporates a soft start circuit and adjustable soft start time ．Timer latch short-circuit protection circuit (SCP) ．Low input voltage malfunction prevention circuit (U.V.L.O.) ．On/off control function ．Totem-pole type output by using an external resistor to set the output current Applications ．LCD Displays ．PDAs ．Digital still cameras ．Hand-held and portable instruments