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MAX20430 - Four-Output Mini PMICs

Description

The MAX20430 is a high-efficiency, four-output DC-DC converter and windowed watchdog.

OUT1 is a synchronous step-down converter that converts vehicle battery voltage to 3.3V at up to 2.5A.

Features

  • 2.1MHz fixed-frequency PWM mode for all DC-DC outputs for better noise immunity and loadtransient response. The 2.1MHz frequency operation allows for the use of all ceramic capacitors and minimizes external components. The programmable spread-spectrum frequency modulation minimizes radiated electromagnetic emissions. Integrated low RDSON switches improve efficiency at heavy loads and make the layout much simpler with respect to discrete solutions. The device is offered with factory-preset output.

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Full PDF Text Transcription

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MAX20430 Click here to ask an associate for production status of specific part numbers. Four-Output Mini PMICs for Safety Applications General Description The MAX20430 is a high-efficiency, four-output DC-DC converter and windowed watchdog. OUT1 is a synchronous step-down converter that converts vehicle battery voltage to 3.3V at up to 2.5A. OUT3 boosts OUT1 to 5V at up to 500mA, while OUT2 and OUT4 low-voltage synchronous step-down converters operate from OUT1 and provide a 0.8V to 3.9875V output voltage range at up to 3A. All outputs achieve ±1.5% output error over load, line, and temperature range. The device features 2.1MHz fixed-frequency PWM mode for all DC-DC outputs for better noise immunity and loadtransient response. The 2.
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