LTC3637
Info : RECOMMENDED FOR NEW DESIGNS
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LTC3637

76V, 1A Step-Down Regulator

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 18
1ku List Price Starting From $3.84
Features
  • Wide Operating Input Voltage Range: 4V to 76V
  • Internal 350mΩ Power MOSFET
  • No Compensation Required
  • Adjustable 100mA to 1A Maximum Output Current
  • Low Dropout Operation: 100% Duty Cycle
  • Low Quiescent Current: 12μA
  • Wide Output Range: 0.8V to VIN
  • 0.8V ±1% Feedback Voltage Reference
  • Precise RUN Pin Threshold
  • Internal and External Soft-Start
  • Programmable 1.8V, 3.3V, 5V or Adjustable Output
  • Few External Components Required
  • Programmable Input Overvoltage Lockout
  • Low Profile (0.75mm) 3mm × 5mm DFN and Thermally-Enhanced MSE16 Packages
  • AEC-Q100 Qualified for Automotive Applications
Additional Details
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The LTC3637 is a high efficiency step-down DC/DC regulator with an internal high side power switch that draws only 12μA DC supply current while maintaining a regulated output voltage at no load.

The LTC3637 can supply up to 1A load current and features a programmable peak current limit that provides a simple method for optimizing efficiency and for reducing output ripple and component size. The LTC3637’s combination of Burst Mode® operation, integrated power switch, low quiescent current, and programmable peak current limit provides high efficiency over a broad range of load currents.

With its wide input range of 4V to 76V, and programmable overvoltage lockout, the LTC3637 is a robust regulator suited for regulating from a wide variety of power sources. Additionally, the LTC3637 includes a precise run threshold and soft-start feature to guarantee that the power system start-up is well-controlled in any environment.

The LTC3637 is available in the thermally-enhanced 3mm × 5mm DFN and the MSE16 packages.

APPLICATIONS

  • Industrial Control Supplies
  • Medical Devices
  • Distributed Power Systems
  • Portable Instruments
  • Battery-Operated Devices
  • Automotive
  • Avionics
Part Models 18
1ku List Price Starting From $3.84

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Product Lifecycle

PCN

Jul 31, 2020

- 20_0245

Notification of Wafer Fab Location Change for 0.6µm BICMOS Process Devices from ADI Milpitas (Hillview) to Vanguard Int. (Taiwan)

LTC3637EDHC#PBF

PRODUCTION

LTC3637EDHC#TRPBF

PRODUCTION

LTC3637EMSE#PBF

PRODUCTION

LTC3637EMSE#TRPBF

PRODUCTION

LTC3637HDHC#PBF

PRODUCTION

LTC3637HDHC#TRPBF

PRODUCTION

LTC3637HMSE#PBF

PRODUCTION

LTC3637HMSE#TRPBF

PRODUCTION

LTC3637IDHC#PBF

PRODUCTION

LTC3637IDHC#TRPBF

PRODUCTION

LTC3637IMSE#PBF

PRODUCTION

LTC3637IMSE#TRPBF

PRODUCTION

LTC3637MPDHC#PBF

PRODUCTION

LTC3637MPDHC#TRPBF

PRODUCTION

LTC3637MPMSE#PBF

PRODUCTION

LTC3637MPMSE#TRPBF

PRODUCTION

Jun 5, 2024

- 24_0003

Epoxy Change from Henkel 8290 to 8290A for MSOP Package (2)

LTC3637EMSE#PBF

PRODUCTION

LTC3637EMSE#TRPBF

PRODUCTION

LTC3637HMSE#PBF

PRODUCTION

LTC3637HMSE#TRPBF

PRODUCTION

LTC3637IMSE#PBF

PRODUCTION

LTC3637IMSE#TRPBF

PRODUCTION

LTC3637JMSE#WPBF

PRODUCTION

LTC3637JMSE#WTRPBF

PRODUCTION

LTC3637MPMSE#PBF

PRODUCTION

LTC3637MPMSE#TRPBF

PRODUCTION

Feb 4, 2020

- 20_0129

Laser Mark Conversion for 12-Lead MSOP Packages Assembled in ADPG and UTAC

LTC3637EMSE#PBF

PRODUCTION

LTC3637EMSE#TRPBF

PRODUCTION

LTC3637HMSE#PBF

PRODUCTION

LTC3637HMSE#TRPBF

PRODUCTION

LTC3637IMSE#PBF

PRODUCTION

LTC3637IMSE#TRPBF

PRODUCTION

LTC3637MPMSE#PBF

PRODUCTION

LTC3637MPMSE#TRPBF

PRODUCTION

Oct 27, 2021

- 21_0154

Moisture Sensitivity Level Rating Change of LT8331, LTC3637, and LTC7000-1 with #W for MSOP Package

LTC3637JMSE#WPBF

PRODUCTION

LTC3637JMSE#WTRPBF

PRODUCTION

Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

Jul 31, 2020

- 20_0245

arrow down

Notification of Wafer Fab Location Change for 0.6µm BICMOS Process Devices from ADI Milpitas (Hillview) to Vanguard Int. (Taiwan)

LTC3637EDHC#PBF

PRODUCTION

LTC3637EDHC#TRPBF

PRODUCTION

LTC3637EMSE#PBF

PRODUCTION

LTC3637EMSE#TRPBF

PRODUCTION

LTC3637HDHC#PBF

PRODUCTION

LTC3637HDHC#TRPBF

PRODUCTION

LTC3637HMSE#PBF

PRODUCTION

LTC3637HMSE#TRPBF

PRODUCTION

LTC3637IDHC#PBF

PRODUCTION

LTC3637IDHC#TRPBF

PRODUCTION

LTC3637IMSE#PBF

PRODUCTION

LTC3637IMSE#TRPBF

PRODUCTION

LTC3637MPDHC#PBF

PRODUCTION

LTC3637MPDHC#TRPBF

PRODUCTION

LTC3637MPMSE#PBF

PRODUCTION

LTC3637MPMSE#TRPBF

PRODUCTION

Jun 5, 2024

- 24_0003

arrow down

Epoxy Change from Henkel 8290 to 8290A for MSOP Package (2)

LTC3637EMSE#PBF

PRODUCTION

LTC3637EMSE#TRPBF

PRODUCTION

LTC3637HMSE#PBF

PRODUCTION

LTC3637HMSE#TRPBF

PRODUCTION

LTC3637IMSE#PBF

PRODUCTION

LTC3637IMSE#TRPBF

PRODUCTION

LTC3637JMSE#WPBF

PRODUCTION

LTC3637JMSE#WTRPBF

PRODUCTION

LTC3637MPMSE#PBF

PRODUCTION

LTC3637MPMSE#TRPBF

PRODUCTION

Feb 4, 2020

- 20_0129

arrow down

Laser Mark Conversion for 12-Lead MSOP Packages Assembled in ADPG and UTAC

LTC3637EMSE#PBF

PRODUCTION

LTC3637EMSE#TRPBF

PRODUCTION

LTC3637HMSE#PBF

PRODUCTION

LTC3637HMSE#TRPBF

PRODUCTION

LTC3637IMSE#PBF

PRODUCTION

LTC3637IMSE#TRPBF

PRODUCTION

LTC3637MPMSE#PBF

PRODUCTION

LTC3637MPMSE#TRPBF

PRODUCTION

Oct 27, 2021

- 21_0154

arrow down

Moisture Sensitivity Level Rating Change of LT8331, LTC3637, and LTC7000-1 with #W for MSOP Package

LTC3637JMSE#WPBF

PRODUCTION

LTC3637JMSE#WTRPBF

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

reference details image

DC2056A

LTC3637 Demo Board | Micropower Buck, 4V ≤ VIN ≤ 76V, VOUT = 1.8V/3.3V/5V/Adjustable @ 1A

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DC2056A

LTC3637 Demo Board | Micropower Buck, 4V ≤ VIN ≤ 76V, VOUT = 1.8V/3.3V/5V/Adjustable @ 1A

LTC3637 Demo Board | Micropower Buck, 4V ≤ VIN ≤ 76V, VOUT = 1.8V/3.3V/5V/Adjustable @ 1A

Product Detail

Demonstration circuit 2056A is a 76V input, 1A output DC/DC power supply featuring the LTC3637. The IC operates in a high efficiency Burst Mode® operation and includes an internal high side power MOSFET. The board will accept an input voltage between 4V and 76V, and provide jumper selected output voltages of 1.8V, 3.3V, 5V and an option for additional voltages. The IC includes internal soft-start and a provision for increasing soft-start time.

Tools & Simulations

Tools & Simulations 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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