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L5953 Datasheet Multiple Switching Voltage Regulator

Manufacturer: STMicroelectronics

Overview: L5953 Multiple switching voltage regulator.

General Description

The L5953 is the integration of one switching regulator, two linear voltage regulators, two low voltage warnings and two high side drivers.

It has a stand-by operation mode (low current consumption) where only the stand-by voltage regulator plus the low voltage warnings are active.

The other regulators and high side drivers are controlled by the SPI interface.

Key Features

  • PWM: adjustable 2.5/10V - 1A switching voltage regulator External POWER MOS ability for output current enhancement Synchronization function REG1- Linear low drop 3.3/5V - 250mA STBY voltage regulator (low current consumption) with RESET REG2- Linear voltage regulator 1.5V to 3.3V externally adjustable - 300mA maximum current HSD1 : 500mA High side driver HSD2 : 200mA High side driver SPI Interface SPI Diagnostics HSD1, HSD2 Double switching frequency SPI selectable Doubl.

L5953 Distributor