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AX3771 - Dual High-Efficiency PWM Step-Down DC-DC Converter

Description

The AX3771 is a dual high-efficiency Pulse-Skipping-Modulated (PSM) step-down DC-DC converter.

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Datasheet preview – AX3771

Datasheet Details

Part number AX3771
Manufacturer AXElite
File Size 408.47 KB
Description Dual High-Efficiency PWM Step-Down DC-DC Converter
Datasheet download datasheet AX3771 Datasheet
Additional preview pages of the AX3771 datasheet.

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Full PDF Text Transcription

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AX3771 (Preliminary) Dual High-Efficiency PWM Step-Down DC-DC Converter  GENERAL DESCRIPTION The AX3771 is a dual high-efficiency Pulse-Skipping-Modulated (PSM) step-down DC-DC converter. It is capable of delivering 1A output current over a wide input voltage range from 2.5V to 7.5V, the AX3771 is ideally suited for portable electronic devices that are powered from 1-cell Li-ion battery or from other power sources within the range such as cellular phones, PDAs and other handheld devices. Two operational modes are available: PSM/Low-Dropout auto-switch and shutdown modes. Internal synchronous rectifier with low RDS(ON) dramatically reduces conduction loss at PSM mode. No external Schottky diode is required in practical application.
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