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MAX17620 - Synchronous Step-Down DC-DC Converter

General Description

The MAX17620 is a high-frequency, high-efficiency synchronous step-down DC-DC converter with integrated MOSFETs that operates over a 2.7V to 5.5V input voltage range.

The device supports up to 600mA load current and 1.5V to 100% VIN output voltage.

Key Features

  • selectable PWM/skip mode of operation at light loads and operates at a 4MHz fixedfrequency in PWM mode. Skip mode improves system efficiency at light loads, while PWM mode maintains a constant switching frequency over the entire load. In skip mode, the device draws only 40µA of quiescent current from the supply input. In shutdown mode, the current consumption is reduced to 0.1µA. The device also features a soft-start feature to reduce the inrush current during startup, and also incorporates an e.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MAX17620 4MHz, Miniature 600mA, Synchronous Step-Down DC-DC Converter with Integrated MOSFETs General Description The MAX17620 is a high-frequency, high-efficiency synchronous step-down DC-DC converter with integrated MOSFETs that operates over a 2.7V to 5.5V input voltage range. The device supports up to 600mA load current and 1.5V to 100% VIN output voltage. High-frequency operation enables the use of small, low-cost inductors and capacitors. The device features selectable PWM/skip mode of operation at light loads and operates at a 4MHz fixedfrequency in PWM mode. Skip mode improves system efficiency at light loads, while PWM mode maintains a constant switching frequency over the entire load. In skip mode, the device draws only 40µA of quiescent current from the supply input.