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LT1374CR-5#PBF - 

Buck (Step Down) Switching Regulator, Fixed, 5V-25V In, 5V And 4.5A Out, TO-263-7

LINEAR TECHNOLOGY LT1374CR-5#PBF

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Manufacturer Part No:
LT1374CR-5#PBF
Order Code:
2252751
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
25V
:
4.5A
:
125°C
:
7Pins
:
5V
:
-
:
Buck (Step Down)
:
-
:
TO-263
:
500kHz
:
Cut Tape
:
5V
:
MSL 1 - Unlimited
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Product Overview

The LT1374CR-5#PBF is a monolithic buck mode Switching Regulator features 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. There is the optional function of shutdown or synchronization.
  • Uses All Surface Mount Components
  • Inductor Size Reduced to 1.8µH
  • Cycle-by-cycle current limiting
  • Easily synchronizable
  • 0.07R Saturating switch design
  • 2.5mA Effective supply current
  • 20µA Shutdown Current

Applications

Computers & Computer Peripherals, Portable Devices, Power Management

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