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L5953 Datasheet (PDF) - STMicroelectronics

L5953 Datasheet PDF - STMicroelectronics
Part # L5953
Download  L5953 Download

File Size   217.41 Kbytes
Page   24 Pages
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Description MULTIPLE SWITCHING VOLTAGE REGULATOR

L5953 Datasheet (PDF)

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L5953 Datasheet PDF - STMicroelectronics

Part # L5953
Download  L5953 Click to download

File Size   217.41 Kbytes
Page   24 Pages
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Description MULTIPLE SWITCHING VOLTAGE REGULATOR

L5953 Datasheet (HTML) - STMicroelectronics

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L5953 Product details

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.

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
■ Double inpuT LVW SPI functions

SPI functions
■ Input controls
   – Turn-on/off PWM
   – Turn-on/off REG2
   – Turn-on/off HSD1
   – Turn-on/off HSD2
   – Switching frequency selection f1- f2
■ Output functions:
   – HSD1 & HSD2 short to gnd, open load and short to battery (Test mode)
   – Thermal warning

Protections
■ Over voltage protection
■ Internal current limiting
■ Thermal shutdown
■ ESD




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About STMicroelectronics


STMicroelectronics is a multinational electronics and semiconductor manufacturer based in Geneva, Switzerland.

The company offers a wide range of products including microcontrollers, sensors, power amplifiers, and integrated circuits for various applications in the automotive, industrial, and consumer markets.

Founded in 1987, STMicroelectronics has operations in over 100 countries and is one of the largest semiconductor companies in the world.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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