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MAX25250 - Four Output Mini PMIC

Datasheet Summary

Description

The MAX25250 is a high-efficiency, four-output PMIC that integrates three DC-DC converters and a high-PSRR LDO, with OV/UV monitoring on all outputs.

OUT1 is a 1A high-voltage synchronous step-down converter operating from power over coax or car battery.

Features

  • a 2.2MHz fixed-frequency PWM mode for better noise immunity and load-transient response. The high-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-RDS(ON) switches improve efficiency at heavy loads and make layout simpler than discrete solutions. Sequencing through the use of EN23 and EN4 pins and factory-settable output voltages in.

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Datasheet preview – MAX25250

Datasheet Details

Part number MAX25250
Manufacturer Maxim Integrated
File Size 956.67 KB
Description Four Output Mini PMIC
Datasheet download datasheet MAX25250 Datasheet
Additional preview pages of the MAX25250 datasheet.

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Full PDF Text Transcription

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Click here to ask about the production status of specific part numbers. MAX25250 Four Output Mini PMIC for Camera Applications General Description The MAX25250 is a high-efficiency, four-output PMIC that integrates three DC-DC converters and a high-PSRR LDO, with OV/UV monitoring on all outputs. OUT1 is a 1A high-voltage synchronous step-down converter operating from power over coax or car battery. OUT2 and OUT3 low-voltage synchronous step-down converters operate from OUT1 and provide a 0.8V to 3.9875V output voltage range. OUT2 can deliver 1.2A for high megapixel cameras and high-speed serializers. OUT3 can deliver 1.2A to power the secondary rails of the imager, serializer, and MCU. OUT4 is a low-voltage, low-noise, high-PSRR LDO for imager power. All buck converters achieve ±1.
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