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LTC7812EUH#PBF

DC-DC Switching Sync-Buck-Boost Regulator, 7812, 4.5V-38Vin, 800mV-60V/20A out, 850 kHz, QFN-32

LINEAR TECHNOLOGY LTC7812EUH#PBF

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Manufacturer Part No:
LTC7812EUH#PBF
Order Code:
2506502
Technical Datasheet:
LTC7812EUH#PBF   Datasheet
See all Technical Docs

Product Overview

The LTC7812EUH#PBF is an adjustable output synchronous boost and buck DC to DC switching regulator controller in 32 pin QFN package. This high performance controller drives all N channel power MOSFET stages. It contains independent step up (boost) and step down (buck) controllers that can regulate two separate outputs or be cascaded to regulate an output voltage from an input voltage that can be above, below or equal to output voltage. The LTC7812 can operate from an input supply as low as 2.5V after start-up. The 33µA no load quiescent current extends operating run time in battery powered systems. Unlike conventional buck-boost regulators, the LTC7812's cascaded boost and buck solution has continuous, non-pulsating input and output currents which substantially reduces voltage ripple and EMI. This controller has independent feedback and compensation points for boost and buck regulation loops, enabling a fast output transient response that can be easily optimized externally.
  • Wide bias input voltage range from 4.5V to 38V
  • Buck output voltage range from 0.8V to 24V
  • Boost output voltage up to 60V
  • Phase lockable frequency range from 75KHz to 850KHz
  • Low EMI
  • Low input and output ripple
  • Fast output transient response
  • High light load efficiency
  • Low operating quiescent current of 33µA (both channels on low) and 28µA (buck channel on)
  • Operating junction temperature range from -40°C to 125°C

Applications

Power Management, Automotive, Industrial

Product Information

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:
Synchronous Buck-Boost

:
4.5V

:
38V

:
2Outputs

:
QFN

:
32Pins

:
20A

:
800mV

:
60V

:
850kHz

:
125°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (1)

55 In stock

55 available for 3 - 4 business days delivery

Available until stock is exhausted

HK$85.09

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