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AIC1578 High-Efficiency/ Step-Down DC/DC Converter

AIC1578 Description

AIC1578 High-Efficiency, Step-Down DC/DC Converter .
The AIC1578 is a high performance step-down DC/DC converter, designed to drive an external P-channel MOSFET to generate programmable output voltages.

AIC1578 Features

* 4V to 20V Input Voltage Operation.
* High Efficiency (up to 95%).
* Low Quiescent Current at 90µA.
* Pulse-Skipping and Pulse-Frequency Modulation.
* Inputs-Uncommitted Current Sense Comparator.
* Duty Cycle Adjustable.
* 90KHz to 280KHz Osci

AIC1578 Applications

* Notebook 5V/3.3V Main Power
* Step-Down DC/DC Converter Module.
* Constant Current Source for Battery Chargers. TYPICAL APPLICATION CIRCUIT VIN IRF9Z34 Q1
* L1 33µH D1 1N5820 C3 220µF + C4 10µF
* RS + D2 100µF + 0.1µF C2 RDUTY R2 1M 1M Control
* Sumida MPP

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High-Efficiency Step-Down Converter Analog Intergrations Corporation
Analog Intergrations Corporation AIC1578-like datasheet