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LT1074CT#PBF - 

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 7.3V-45Vin, 2.5V-50Vout, 5Aout, TO-220-5

LT1074CT#PBF - DC-DC Switching Buck (Step Down) Regulator, Adjustable, 7.3V-45Vin, 2.5V-50Vout, 5Aout, TO-220-5

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Manufacturer Part No:
LT1074CT#PBF
Order Code:
9559604
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT1074CT#PBF is a 5A monolithic bipolar step-down Switching Regulator requires only a few external parts for normal operation. The power switch, all oscillator and control circuitry, all current limit components are included on the chip. The topology is a classic positive buck configuration but several design innovations allow this device to be used as a positive-to-negative converter, a negative boost converter and as a flyback converter. The switch output is specified to swing 40V below ground, allowing the LT1074 to drive a tapped-inductor in the buck mode with output currents up to 10A. It uses a true analogue multiplier in the feedback loop. This makes the device respond nearly instantaneously to input voltage fluctuation and makes loop gain independent of input voltage. As a result, dynamic behaviour of the regulator is significantly improved over previous designs. On-chip pulse by pulse current limiting makes the LT1074 nearly bust-proof for output overloads or shorts.
  • 5A Onboard switch
  • Operates up to 60V input
  • Greatly improved dynamic behaviour
  • Only 8.5mA quiescent current
  • Programmable current limit
  • Micro power shutdown mode

Applications

Power Management, Signal Processing

Product Information

:
Buck (Step Down)
:
7.3V
:
45V
:
1Outputs
:
TO-220
:
5Pins
:
5A
:
2.5V
:
50V
:
100kHz
:
70°C
:
-
:
-
:
Yes
:
-
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