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LT3742EUF#PBF - 

DC/DC Controller, 2-Phase, 4V to 30V, 2 Outputs, Buck, 560kHz, QFN-24

LT3742EUF#PBF - DC/DC Controller, 2-Phase, 4V to 30V, 2 Outputs, Buck, 560kHz, QFN-24

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
LT3742EUF#PBF
Order Code:
1628759
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT3742EUF#PBF is a dual step-down DC/DC Switching Regulator Controller that drives high side N-channel power MOSFETs. A 500kHz fixed frequency current-mode architecture provides fast transient response with simple loop compensation components and cycle-by-cycle current limiting. The output stages of the two controllers operate 180° out of phase to reduce the input ripple current, minimizing the noise induced on the input supply and allowing less input capacitance. An internal boost regulator generates a bias rail of VIN 7V to provide gate drive for the N-channel MOSFETs allowing low dropout and 100% duty cycle operation. The LT3742 can be used for applications where both controllers need to operate independently, or where both controllers are used to provide a single higher current output.
  • Out-of-phase controllers reduce required input capacitance and power supply induced noise
  • Internal boost converter provides bias rail for N-channel MOSFET gate drive
  • Power good voltage monitor for each output
  • Programmable soft-start

Applications

Automotive, Power Management, Communications & Networking, Consumer Electronics

Product Information

:
4V
:
30V
:
2 Output
:
100%
:
QFN
:
24Pins
:
560kHz
:
Buck (Step Down)
:
-40°C
:
125°C
:
-
:
-
:
Yes
:
MSL 1 - Unlimited
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