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L5970D

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 4.4V-36Vin, 1.2V-35Vout, 1Aout, SOIC-8

STMICROELECTRONICS L5970D

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Manufacturer Part No:
L5970D
Order Code:
1077141
Technical Datasheet:
L5970D   Datasheet
See all Technical Docs

Product Overview

The L5970D is a Step-down Monolithic Power Switching Regulator IC capable to deliver up to 1A at output voltages from 1.2 to 35V. The device uses an internal P-channel D-MOS transistor (with a typical Rdson of 250mR) as switching element to minimize the size of the external components. Pulse by pulse current limit with the internal frequency modulation offers an effective constant current short circuit protection.
  • 3.3V/(±2%) Reference voltage
  • Operating input voltage from 4.4 to 36V
  • 100% Duty cycle low dropout operation
  • 250kHz Internally fixed frequency
  • Voltage feed forward
  • Zero load current operation
  • Internal current limiting
  • Inhibit for zero current consumption
  • Synchronization
  • Protection against feedback disconnection
  • Thermal shutdown

Applications

Consumer Electronics, Communications & Networking, Computers & Computer Peripherals

Product Information

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:
Buck (Step Down)

:
4.4V

:
36V

:
1Outputs

:
SOIC

:
8Pins

:
1A

:
1.2V

:
35V

:
280kHz

:
150°C

:
-

:
-

:
MSL 3 - 168 hours
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Technical Docs (3)

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