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LTC3632 Datasheet

LTC3632 Datasheet

High Efficiency, High Voltage 20mA Synchronous Step-Down Converter
Part No.: LTC3632
Page: 22 Pages
Size: 1549 KB
Manufacturer: Linear Technology
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Views: 1
Update Time: 2024-01-16 14:47:47
DataSheet: Download

LTC3632 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTC3632EMS8E#PBF Tube 50 LTFFZ 1 8 -40°C ~125°C 8-Lead Plastic MSOP  
LTC3632EMS8E#TRPBF Reel 2500 LTFFZ 1 8 -40°C ~125°C 8-Lead Plastic MSOP  
LTC3632EMS8E#TRMPBF Reel 500 LTFFZ 1 8 -40°C ~125°C 8-Lead Plastic MSOP  
LTC3632IMS8E#PBF Tube 50 LTFFZ 1 8 -40°C ~125°C 8-Lead Plastic MSOP  
LTC3632IMS8E#TRPBF Reel 2500 LTFFZ 1 8 -40°C ~125°C 8-Lead Plastic MSOP  
LTC3632IMS8E#TRMPBF Reel 500 LTFFZ 1 8 -40°C ~125°C 8-Lead Plastic MSOP  
LTC3632EDD#PBF Tube 121 LFGB 1 8 -40°C ~125°C 8-Lead (3mm × 3mm) Plastic DFN  
LTC3632EDD#TRPBF Reel 2500 LFGB 1 8 -40°C ~125°C 8-Lead (3mm × 3mm) Plastic DFN  
LTC3632EDD#TRMPBF Reel 500 LFGB 1 8 -40°C ~125°C 8-Lead (3mm × 3mm) Plastic DFN  
LTC3632IDD#PBF Tube 121 LFGB 1 8 -40°C ~125°C 8-Lead (3mm × 3mm) Plastic DFN  
LTC3632IDD#TRPBF Reel 2500 LFGB 1 8 -40°C ~125°C 8-Lead (3mm × 3mm) Plastic DFN  
LTC3632IDD#TRMPBF Reel 500 LFGB 1 8 -40°C ~125°C 8-Lead (3mm × 3mm) Plastic DFN  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTC3632 Datasheet(PDF)

LTC3632 Datasheet(Picture)

LTC3632 Features

  • Wide Input Voltage Range: Operation from 4.5V to 50V
  • Overvoltage Lockout Provides Protection Up to 60V
  • Internal High Side and Low Side Power Switches
  • No Compensation Required
  • 20mA Output Current
  • Low Dropout Operation: 100% Duty Cycle
  • Low Quiescent Current: 12μA
  • Wide Output Voltage Range: 0.8V to VIN
  • 0.8V ±1% Feedback Voltage Reference
  • Adjustable Peak Current Limit
  • Internal and External Soft-Start
  • Precise RUN Pin Threshold with Adjustable Hysteresis
  • Few External Components Required
  • Low Profile (0.75mm) 3mm × 3mm DFN and Thermally Enhanced MS8E Packages

LTC3632 Applications

  • 4mA to 20mA Current Loops
  • Industrial Control Supplies
  • Distributed Power Systems
  • Portable Instruments
  • Battery-Operated Devices
  • Automotive Power Systems

LTC3632 Description

The LTC3632 is a high efficiency, high voltage step-down DC/DC converter with internal high side and synchronous power switches that draws only 12μA typical DC supply current at no load while maintaining output voltage regulation.

The LTC3632 can supply up to 20mA load current and features a programmable peak current limit that provides simple method for optimizing efficiency in lower current applications. The LTC3632’s combination of Burst Mode® operation, integrated power switches, low quiescent current, and programmable peak current limit provides high efficiency over a broad range of load currents.

With its wide 4.5V to 50V input range and internal overvoltage monitor capable of protecting the part through 60V surges, the LTC3632 is a robust converter suited for regulating a wide variety of power sources. Additionally, the LTC3632 includes a precise run threshold and soft‑start feature to guarantee that the power system start-up is well-controlled in any environment.

The LTC3632 is available in the thermally enhanced 3mm × 3mm DFN and MS8E packages.

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