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LTC1778EGN-1#PBF

DC/DC Controller, 4V to 36V, 1 Output, Buck, SSOP-16

LTC1778EGN-1#PBF - DC/DC Controller, 4V to 36V, 1 Output, Buck, SSOP-16

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

Manufacturer Part No:
LTC1778EGN-1#PBF
Order Code:
2115929
Technical Datasheet:
LTC1778EGN-1#PBF   Datasheet
See all Technical Docs

Product Overview

The LTC1778EGN-1#PBF is a synchronous step-down Switching Regulator Controller optimized for CPU power. The controller uses valley current control architecture to deliver very low duty cycles with excellent transient response without requiring a sense resistor. Operating frequency is selected by an external resistor and is compensated for variations in VIN. Discontinuous mode operation provides high efficiency operation at light loads. A forced continuous control pin reduces noise and RF interference and can assist secondary winding regulation by disabling discontinuous operation when the main output is lightly loaded. Fault protection is provided by internal foldback current limiting, an output overvoltage comparator and optional short-circuit shutdown timer. Soft-start capability for supply sequencing is accomplished using an external timing capacitor. The regulator current limit level is user programmable.
  • No sense resistor required
  • True current mode control
  • Optimized for high step-down ratios
  • Extremely fast transient response
  • Stable with ceramic COUT
  • Dual N-channel MOSFET synchronous drive
  • Adjustable current limit
  • Adjustable switching frequency
  • Programmable soft-start
  • Output overvoltage protection
  • IQ <30µA Micropower shutdown

Applications

Power Management, Computers & Computer Peripherals

Product Information

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:
4V

:
36V

:
1 Output

:
-

:
SSOP

:
16Pins

:
-

:
Buck (Step Down)

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (3)

No Longer Stocked

RM28.39

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