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AAP2408 - Step-Down Converter

Description

The AAP2408 is a constant frequency, current mode, PWM step-down converter.

The device integrates a main switch and a synchronous rectifier for high efficiency.

Features

  • z High Efficiency up to 96% z 1.5MHz Constant Switching Frequency z 800mA Available Load Current z 270µA Typical Quiescent Current z 2.5V to 5.5V Input Voltage Range z Adjustable Output Voltage as Low as 0.6V z 100% Duty Cycle Low Dropout Operation z No Schottky Diode Required z Short Circuit and Thermal Protection z Excellent Line and Load Transient Response z 1µA Shutdown Current z Soft Start Function z Over Voltage Protection z Available in 1.2V,1.8V,3.3V and adjustable voltag.

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Datasheet preview – AAP2408

Datasheet Details

Part number AAP2408
Manufacturer EUTECH
File Size 724.86 KB
Description Step-Down Converter
Datasheet download datasheet AAP2408 Datasheet
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Full PDF Text Transcription

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AAP2408 1.5MHz, 800mA Synchronous Step-Down Converter with Soft Start DESCRIPTION The AAP2408 is a constant frequency, current mode, PWM step-down converter. The device integrates a main switch and a synchronous rectifier for high efficiency. The 2.5V to 5.5V input voltage range makes the AAP2408 ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery or 3-cell NiMH/ NiCd batteries. The output voltage can be regulated as low as 0.6V. The AAP2408 supports up to 800mA load current and can also run at 100% duty cycle for low dropout applications, extending battery life in portable systems. Switching frequency is internally set at 1.5MHz, allowing the use of small surface mount inductors and capacitors.
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