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ADP5042 Datasheet Micro PMU

Manufacturer: Analog Devices

Overview: Data Sheet Micro PMU with 0.8 A Buck, Two 300 mA LDOs Supervisory, Watchdog, and Manual Reset ADP5042 SUPERVISOR.

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General Description

The ADP5042 combines one high performance buck regulator and two low dropout (LDO) regulators in a small 20-lead LFCSP to meet demanding performance and board space requirements.

The high switching frequency of the buck regulator enables use of tiny multilayer external components and minimizes the board space.

The MODE pin selects the buck mode of operation.

Key Features

  • Input voltage range: 2.3 V to 5.5 V One 0.8 A buck regulator Two 300 mA LDOs 20-lead, 4 mm × 4 mm LFCSP package Initial regulator accuracy: ±1% Overcurrent and thermal protection Soft start Undervoltage lockout Open drain processor reset with threshold monitoring ±1.5% threshold accuracy over the full temperate range Guaranteed reset output valid to VCC = 1 V Dual watchdog for secure systems Watchdog 1 controls reset Watchdog 2 controls reset and regulators power cycle Buck key specifications Cu.

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