Low

LTC3878EGN#PBF - 

DC/DC Controller, Current Mode, 4V to 38V, 1 Output, Synchronous Buck, SSOP-16

LINEAR TECHNOLOGY LTC3878EGN#PBF

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Manufacturer Part No:
LTC3878EGN#PBF
Order Code:
2295188
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
SSOP
:
-40°C
:
85°C
:
-
:
16Pins
:
-
:
Synchronous Buck (Step Down)
:
-
:
4V
:
-
:
Cut Tape
:
38V
:
1 Output
:
MSL 1 - Unlimited
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Product Overview

The LTC3878EGN#PBF is a synchronous step-down switching DC/DC Controller optimized for high switching frequency and fast transient response. The constant on-time valley current-mode architecture allows for a wide input range, including very low duty factor operation. No external sense resistor or slope compensation is required. The LTC3878 is pin compatible with the LTC1778 in applications that do not use EXTVCC while offering better efficiency. Consult with the factory to verify compatibility. Operating frequency is set by an external resistor and compensated for variations in VIN to offer excellent line stability. Discontinuous mode operation provides high efficiency during light load conditions. A forced continuous control pin allows the user to reduce noise and RF interference. Safety features include output overvoltage protection and programmable current limit with foldback. Soft-start capability for supply sequencing is accomplished through an external timing capacitor.
  • Extremely fast transient response
  • Stable with low ESR ceramic COUT
  • Supports smooth start-up into pre-biased output
  • Optimized for high step-down ratios
  • Power good output voltage monitor
  • Dual N-channel MOSFET synchronous drive
  • Adjustable switching frequency
  • Programmable current limit with foldback
  • Output overvoltage protection

Applications

Power Management, Embedded Design & Development, Communications & Networking

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