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MAX25203D - Dual-Phase Synchronous Boost Controllers

General Description

The MAX25203D/MAX25203E automotive dual-phase synchronous boost controllers enable infotainment systems to stay in regulation during cold-crank or startstop operation all the way down to a battery input of 1.8V.

Key Features

  • include cycle-by-cycle current limit and thermal shutdown. These devices operate over the -40°C to +125°C automotive temperature range.

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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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MAX25203D/MAX25203E General Description The MAX25203D/MAX25203E automotive dual-phase synchronous boost controllers enable infotainment systems to stay in regulation during cold-crank or startstop operation all the way down to a battery input of 1.8V. They can also be used to generate backlight voltage and Class D audio amplifier voltages. These devices can start with an input voltage supply from 4.5V to 42V and can operate down to 1.8V after startup, and have a low 5µA shutdown supply current. The MAX25203D/MAX25203E operate at up to 2.1MHz frequency to allow small external components and reduced output ripple, and guarantee no AM band interference. The switching frequency is resistor adjustable (220kHz to 2100kHz) or it can be synchronized on-the-fly to an external clock.