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LTC3789IGN#PBF

DC/DC Controller, 4V to 38V, 1 Output, Synchronous Boost, Synchronous Buck, 710kHz, SSOP-28

LINEAR TECHNOLOGY LTC3789IGN#PBF

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Manufacturer Part No:
LTC3789IGN#PBF
Order Code:
2295145
Technical Datasheet:
LTC3789IGN#PBF   Datasheet
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Product Overview

The LTC3789IGN#PBF is a high-performance buck-boost Switching Regulator Controller that operates from input voltages above, below or equal to the output voltage. The constant-frequency, current-mode architecture allows a phase-lockable frequency of up to 600kHz, while an output current feedback loop provides support for battery charging. With a wide 4 to 38V (40V maximum) input and output range and seamless, low noise transitions between operating regions. The operating mode of the controller is determined through the MODE/PLLIN pin. The MODE/PLLIN pin can select between pulse-skipping mode and forced continuous mode operation and allows the IC to be synchronized to an external clock. Pulse-skipping mode offers high efficiency and low ripple at light loads, while forced continuous mode operates at a constant frequency for noise-sensitive applications. A PGOOD pin indicates when the output is within 10% of its designed set point.
  • Single inductor architecture allows VIN above, below or equal to the regulated VOUT
  • Programmable input or output current mode control
  • No reverse current during start-up
  • Power good output voltage monitor quad N-channel MOSFET synchronous drive
  • VOUT Disconnected from VIN during shutdown
  • True soft-start and VOUT short protection, even in boost mode

Applications

Automotive, Industrial, Automation & Process Control, Power Management

Product Information

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:
4V

:
38V

:
1 Output

:
90%

:
SSOP

:
28Pins

:
710kHz

:
Synchronous Boost, Synchronous Buck

:
-40°C

:
125°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (2)

No Longer Stocked

Rs.970.22

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