A7523 Datasheet - AiT Semiconductor

A7523 SUPER-SMALL PACKAGE PWM CONTROL STEP-UP SWITCHING REGULATOR

The A7523 is a compact, high efficiency, and low voltage step-up DC/DC converter with an Adaptive Current Mode PWM control loop, includes an error amplifier, ramp generator, comparator, switch pass element and driver in which providing a stable and high efficient operation over a wide range of load .

A7523 Features

* 0.8V（Iout=1mA） Low Start-up Input Voltage

* 500kHz Fixed Switching Frequency

* 90% Efficiency

* High Supply Capability to Deliver 3.3V 300mA with1 Alkaline Cell or Deliver 5V 800mA with 1 Li-ion Cell

* 14μA Quiescent (Switch-off) Supply Current

* 0.01μA Shutdown Mode Supply

A7523-AiTSemiconductor.pdf