Description
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 currents.
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 Current.
- Providing Flexibility for Using Internal and External Power Switches.
- Output voltage: Settable to between 2.0V to 6.0V ,accuracy of 2%.
- Available in SOT-26 package.
A7523-AiTSemiconductor.pdf
