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LT3685IMSE#PBF

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 3.6V-36Vin, 790mV-20Vout, 2Aout, MSOP-10

LT3685IMSE#PBF - DC-DC Switching Buck (Step Down) Regulator, Adjustable, 3.6V-36Vin, 790mV-20Vout, 2Aout, MSOP-10

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Manufacturer Part No:
LT3685IMSE#PBF
Order Code:
2294942
Technical Datasheet:
LT3685IMSE#PBF   Datasheet
See all Technical Docs

Product Overview

The LT3685IMSE#PBF is an adjustable frequency monolithic step-down Switching Regulator accepts input voltage up to 38V operating and 60V maximum. An internal overvoltage protection circuit turns off the power switch when VIN is above 38V typical (36V minimum) which then allows the part to safely withstand 60V transients. A high efficiency 0.25R switch is included on the die along with a boost Schottky diode and the necessary oscillator, control and logic circuitry. Current-mode topology is used for fast transient response and good loop stability. The LT3685's high operating frequency allows the use of small, inductors and ceramic capacitors resulting in low output ripple while keeping total solution size to a minimum. The low current shutdown mode reduces input supply current to less than 1µA while a resistor and capacitor on the RUN/SS pin provide a controlled output voltage ramp (soft-start). A power good flag signals when VOUT reaches 89% of the programmed output voltage.
  • Integrated boost diode
  • Power good flag
  • Soft-start capability
  • Overvoltage lockout protects circuit through 60V transients
  • 0.790V Feedback reference voltage

Applications

Automotive, Consumer Electronics, Power Management, Industrial

Product Information

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:
Buck (Step Down)

:
3.6V

:
36V

:
1Outputs

:
MSOP

:
10Pins

:
2A

:
790mV

:
20V

:
2.4MHz

:
125°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (2)

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