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LT8614IUDC#PBF - 

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 3.4V-42Vin, 970mV-41.8Vout, 4Aout, QFN-18

LT8614IUDC#PBF - DC-DC Switching Buck (Step Down) Regulator, Adjustable, 3.4V-42Vin, 970mV-41.8Vout, 4Aout, QFN-18
LT8614IUDC#PBF - DC-DC Switching Buck (Step Down) Regulator, Adjustable, 3.4V-42Vin, 970mV-41.8Vout, 4Aout, QFN-18

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

Manufacturer Part No:
LT8614IUDC#PBF
Order Code:
2366019
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT8614IUDC#PBF is a 42V 4A high speed synchronous step-down Silent Switcher designed to minimize EMI/EMC emissions while delivering high efficiency at frequencies up to 3MHz. An ultralow 2.5µA quiescent current with the output in full regulation enables applications requiring highest efficiency at very small load currents. Transient response remains excellent and output voltage ripple is below 10mVP-P at any load, from zero to full current. The LT8614 allows high VIN to low VOUT conversion at high frequency with a fast minimum top switch on-time of 30ns. Operation is safe in overload even with a saturated inductor. Essential features are included and easy to use: An open drain PG pin signals when the output is in regulation. The SYNC pin allows clock synchronization and choice of Burst Mode® operation or pulse-skipping mode. Soft-start and tracking functionality is accessed via the TR/SS pin.
  • Silent Switcher™ architecture, ultralow EMI/EMC emissions
  • High efficiency at high frequency
  • Up to 96% efficiency at 1MHz
  • Up to 94% efficiency at 2MHz
  • Ultralow quiescent current Burst Mode® operation (2.5µA IQ regulating 12VIN to 3.3VOUT)
  • <10mVP-P Output ripple
  • Fast minimum switch-on time (30ns)
  • Low dropout under all conditions (200mV at 1A)
  • Safely tolerates inductor saturation in overload
  • 200kHz to 3MHz Adjustable and synchronizable
  • Peak current mode operation
  • Accurate 1V enable pin threshold
  • Internal compensation
  • Output soft-start and tracking

Applications

Automotive, Industrial, Power Management

Product Information

:
Buck (Step Down)
:
3.4V
:
42V
:
1Outputs
:
QFN
:
18Pins
:
4A
:
970mV
:
41.8V
:
2.15MHz
:
125°C
:
Cut Tape
:
-
:
-
:
MSL 1 - Unlimited
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