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ANALOG DEVICES LTC3829EUHF#PBF

DC/DC Controller, Synch Buck, 4.5 V to 38 V Supply, 1 Output, 94% Duty Cycle, 770kHz, QFN-EP-38

ANALOG DEVICES LTC3829EUHF#PBF
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Manufacturer Part No:
LTC3829EUHF#PBF
Order Code:
4033865
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Technical Datasheet:
LTC3829EUHF#PBF   Datasheet
ECAD / MCAD
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Product Overview

LTC3829 is a high performance 3-phase single output synchronous step-down DC/DC switching controller that drives all N-channel synchronous power MOSFET stages. A constant frequency current mode architecture allows a phase-lockable frequency of up to 770KHz. Power loss and noise due to ESR of the input capacitors are minimized by operating the three controller output stages out of phase. It can be configured for 6-phase operation, has DCR temperature compensation, and output foldback current limiting. This device features a precision 0.6V reference and a power good indicator. Light load efficiency is optimized by using a choice of output Stage Shedding or Burst Mode operation. A differential amplifier provides true remote sensing of the output voltage at the point of load. It is used in application such as notebook and palmtop computers, telecom systems, DC power distribution systems etc.
  • Optional nonlinear control for fast response
  • PWM, stage shedding™ or Burst Mode® operation
  • ±0.75%, 0.6V reference accuracy, RSENSE or DCR current sensing
  • High efficiency upto 95%, programmable DCR temperature compensation
  • True remote sense differential amplifier, programmable active voltage positioning (AVP)
  • Triple N-channel MOSFET synchronous drive
  • Wide VIN range is 4.5V to 38V, output voltage range is 0.6V to 5V
  • Adjustable soft-start or VOUT tracking
  • Operating junction temperature is -40°C to 125°C
  • Package style is 38-lead plastic QFN

Product Information

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:
4.5V

:
38V

:
1 Output

:
94%

:
QFN-EP

:
38Pins

:
770kHz

:
Synchronous Buck (Step Down)

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-40°C

:
125°C

:
-

:
-

:
MSL 1 - Unlimited

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Technical Documents (1)

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