Low

LT3680IDD#PBF - 

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 3.6V-36Vin, 790mV-30Vout, 3.5Aout, DFN-10

LT3680IDD#PBF - DC-DC Switching Buck (Step Down) Regulator, Adjustable, 3.6V-36Vin, 790mV-30Vout, 3.5Aout, DFN-10

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Manufacturer Part No:
LT3680IDD#PBF
Order Code:
1432698
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT3680IDD#PBF is an adjustable frequency monolithic buck Switching Regulator accepts input voltage up to 36V. A high efficiency 95mR 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. Low ripple Burst Mode® operation maintains high efficiency at low output currents while keeping output ripple below 15mV in a typical application. In addition, the LT3680 can further enhance low output current efficiency by drawing bias current from the output when VOUT is above 3V. Shutdown 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 91% of the programmed output voltage.
  • Integrated boost diode
  • Power good flag
  • Thermal protection
  • Soft-start capability
  • Synchronizable between 250kHz to 2MHz
  • <0.5µA Low shutdown current
  • 0.790V Feedback reference voltage

Applications

Automotive, Portable Devices, Power Management, Industrial

Product Information

:
Buck (Step Down)
:
3.6V
:
36V
:
1Outputs
:
DFN
:
10Pins
:
3.5A
:
790mV
:
30V
:
2.4MHz
:
125°C
:
-
:
-
:
Yes
:
MSL 1 - Unlimited
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Alternatives Available

2783035 - Evaluation Board, ISL85410/ISL854102/ISL85418 Low Quiescent Current, Synchronous Buck Regulators

2783036 - Evaluation Board, ISL85410/ISL854102/ISL85418 Low Quiescent Current High Efficiency Buck Regulators

2543373 - DC-DC Switching Buck Step Down Regulator, Adjustable, 3V-40Vin, 600mV-34V/1A out, 2MHz, DFN-12

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