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LTC1735IS#PBF - 

DC/DC Controller, High Efficiency, 4V to 36V, 1 Output, Synchronous Buck, 335kHz, SOIC-16

LTC1735IS#PBF - DC/DC Controller, High Efficiency, 4V to 36V, 1 Output, Synchronous Buck, 335kHz, SOIC-16

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Manufacturer Part No:
LTC1735IS#PBF
Order Code:
2295008
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC1735IS#PBF is a synchronous step-down Switching Regulator Controller drives external N-channel power MOSFETs using a fixed frequency architecture. Burst Mode operation provides high efficiency at low load currents. The precision 0.8V reference is compatible with future generation microprocessors. OPTI-LOOP compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. The operating frequency (synchronizable up to 500kHz) is set by an external capacitor allowing maximum flexibility in optimizing efficiency. A forced continuous control pin reduces noise and RF interference and can assist secondary winding regulation by disabling Burst Mode operation when the main output is lightly loaded. Protection features include internal fold back current limiting, output overvoltage crowbar and optional short-circuit shutdown. Soft-start is provided by an external capacitor that can be used to properly sequence supplies.
  • Synchronizable/programmable fixed frequency
  • ±1% Output voltage accuracy
  • Dual N-channel MOSFET synchronous drive
  • Internal current fold back
  • Output overvoltage crowbar protection
  • Latched short-circuit shutdown timer with defeat option
  • Forced continuous control pin
  • Optional programmable soft-start
  • Remote output voltage sense
  • <25µA Logic controlled micropower shutdown

Applications

Computers & Computer Peripherals, Communications & Networking, Power Management, Wireless

Product Information

:
4V
:
36V
:
1 Output
:
99.4%
:
SOIC
:
16Pins
:
335kHz
:
Synchronous Buck (Step Down)
:
-40°C
:
85°C
:
-
:
-
:
Yes
:
MSL 1 - Unlimited
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