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AT73C237 Datasheet Power Management And Analog Companions

Manufacturer: Atmel (now Microchip Technology)

General Description

The AT73C237 is a four-channel Power Supply Power Management Unit (PMU) available in a small outline QFN 3 x 3mm package.

It is a fully integrated, attractively priced, bined Power Management device for wireless modules, GPS and WLAN devices.

It integrates 4X Linear Low Drop Out Regulators, three of which (LDO1, 2, 3) provide high-accuracy RF performance and 1X (LDO4) with very low quiescent current, that can be supplied by an external backup battery (VDD4) on a separate rail.

Key Features

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  • LDO1: 2.75V (Default) and 1.8V (Programmable by TWI), 70 mA Linear Very Low Drop Out Regulator with High PSRR and Low Noise.
  • LDO2: 1.8V (Default) and 1.5V (Programmable by TWI), 70 mA Linear Low Drop Out Regulator with High PSRR and Low Noise.
  • LDO3: 1.8V (Default) and 1.5V or 1.2V (Programmable by TWI), 70 mA Linear Low Drop Out Regulator with high PSRR and Low noise.
  • LDO4: 1.8V, 2mA Linear Low Drop Out Regulator with Very Low Quies.

More Datasheets from Atmel (now Microchip Technology)

Part Number Description
AT73C239 Power Management and Analog Companions
AT73C201 POWER SUPPLY AND BATTERY MANAGEMENT IC
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AT73C203 Power Management IC for Datacom Platforms
AT73C204 Power Management
AT73C206 Power Management And Analog Companions
AT73C209 Power Management And Analog Companions
AT73C212 Power Management
AT73C213 Power Management
AT73C213B Power Management and Analog Companions

AT73C237 Distributor