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LT1374HVCR#PBF - 

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 5V-32Vin, 2.42V-21.5Vout, 4.5Aout, TO-263-7

LT1374HVCR#PBF - DC-DC Switching Buck (Step Down) Regulator, Adjustable, 5V-32Vin, 2.42V-21.5Vout, 4.5Aout, TO-263-7

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Manufacturer Part No:
LT1374HVCR#PBF
Order Code:
2252753
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT1374HVCR#PBF is a monolithic buck-mode Switching Regulator for use with battery-powered systems. A 4.5A switch is included on the die along with all the necessary oscillator, control and logic circuitry. High switching frequency allows a considerable reduction in the size of external components. The topology is current mode for fast transient response and good loop stability. Both fixed output voltage and adjustable parts are available. A special high speed bipolar process and new design techniques achieve high efficiency at high switching frequency. Efficiency is maintained over a wide output current range by using the output to bias the circuitry and by utilizing a supply boost capacitor to saturate the power switch. Full cycle-by-cycle short-circuit protection and thermal shutdown are provided. Standard surface mount external parts may be used, including the inductor and capacitors. A shutdown signal reduces supply current to 20µA.
  • Uses all surface mount components
  • Cycle-by-cycle current limiting
  • Easily synchronizable
  • Inductor size reduced to 1.8µH
  • 0.07R Saturating switch design

Applications

Portable Devices, Power Management

Product Information

:
Buck (Step Down)
:
5V
:
32V
:
1Outputs
:
TO-263
:
7Pins
:
4.5A
:
2.42V
:
21.5V
:
500kHz
:
125°C
:
Each
:
-
:
-
:
MSL 1 - Unlimited
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