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L5970ADTR Datasheet (PDF) - STMicroelectronics

L5970ADTR Datasheet PDF - STMicroelectronics
Part # L5970ADTR
Download  L5970ADTR Download

File Size   135.0 Kbytes
Page   11 Pages
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Description 1.5A SWITCH STEP DOWN SWITCHING REGULATOR

L5970ADTR Datasheet (PDF)

Go To PDF Page Download Datasheet
L5970ADTR Datasheet PDF - STMicroelectronics

Part # L5970ADTR
Download  L5970ADTR Click to download

File Size   135.0 Kbytes
Page   11 Pages
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Description 1.5A SWITCH STEP DOWN SWITCHING REGULATOR

L5970ADTR Datasheet (HTML) - STMicroelectronics

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L5970ADTR Product details

Description
The L5970AD is a step down monolithic power switching regulator with a switch current limit of 1.5A so it is able to deliver more than 1A DC current to the load depending on the application conditions.
The output voltage can be set from 1.235V to 35V. The device uses an internal P-Channel D-MOS transistor (with a typical RDSON of 200mΩ) as switching element to avoid the use of bootstrap capacitor and guarantee high efficiency.
An internal oscillator fixes the switching frequency at 500KHz to minimize the size of external components.
Having a minimum input voltage of 4.4V only, it is particularly suitable for 5V bus, available in all computer related applications. Pulse by pulse current limit with the internal frequency modulation offers an effective constant current short circuit protection.

General Features
■ 1.5A INTERNAL SWITCH
■ OPERATING INPUT VOLTAGE FROM 4.4V TO 36V
■ 3.3V / (±2%) REFERENCE VOLTAGE
■ OUTPUT VOLTAGE ADJUSTABLE FROM 1.235V TO 35V
■ LOW DROPOUT OPERATION: 100% DUTY CYCLE
■ 500KHz INTERNALLY FIXED FREQUENCY
■ VOLTAGE FEEDFORWARD
■ ZERO LOAD CURRENT OPERATION
■ INTERNAL CURRENT LIMITING
■ INHIBIT FOR ZERO CURRENT CONSUMPTION
■ SYNCHRONIZATION
■ PROTECTION AGAINST FEEDBACK DISCONNECTION
■ THERMAL SHUTDOWN

APPLICATIONS:
■ CONSUMER: STB, DVD, TV, VCR,CAR RADIO, LCD MONITORS
■ NETWORKING: XDSL, MODEMS,DC-DC MODULES
■ COMPUTER: PRINTERS, AUDIO/GRAPHIC CARDS, OPTICAL STORAGE, HARD DISK DRIVE
■ INDUSTRIAL: CHARGERS, CAR BATTERY DC-DC CONVERTERS




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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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