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

AiT Semiconductor

Description

AiT Semiconductor Inc.www.ait-ic.com A7523 DC-DC CONVERTERBOOST(STEP-UP) 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 amp.

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Datasheet Specifications

Part number: A7523
Manufacturer: AiT Semiconductor
File Size: 585.06 KB
Datasheet: A7523-AiTSemiconductor.pdf
Description: SUPER-SMALL PACKAGE PWM CONTROL STEP-UP SWITCHING REGULATOR

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

Applications

* of providing up to 600mA output current. Besides, the 14μA low quiescent current together with high efficiency maintains long battery lifetime. The output voltage is set with two external resistors. Both internal 2A switch and driver for driving external power devices (NMOS or NPN) are provided. The

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

AiT Semiconductor A7523-like datasheet