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LTC3642EDD#PBF - 

DC-DC Switching Buck Step Down Regulator, Adjustable, 4.5V-45Vin, 800mV-45Vout, 50mAout, DFN-8

LTC3642EDD#PBF - DC-DC Switching Buck Step Down Regulator, Adjustable, 4.5V-45Vin, 800mV-45Vout, 50mAout, DFN-8

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Manufacturer Part No:
LTC3642EDD#PBF
Order Code:
2295114
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC3642EDD#PBF is a high-efficiency high-voltage step-down DC-to-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 LTC3642 can supply up to 50mA load current and features a programmable peak current limit that provides a simple method for optimizing efficiency in lower current applications. The LTC3642'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 4.5 to 45V input range and internal overvoltage monitor capable of protecting the part through 60V surges, the LTC3642 is a robust converter suited for regulating a wide variety of power sources. Additionally, the LTC3642 includes a precise run threshold and soft-start feature to guarantee that the power system start-up is well-controlled in any environment.
  • Internal high side and low side power switches
  • No compensation required
  • Low dropout operation - 100% duty cycle
  • Adjustable peak current limit
  • Internal and external soft-start
  • Precise RUN pin threshold with adjustable hysteresis
  • Only three external components required for fixed output versions
  • 0.8V Feedback voltage reference
  • 3.3V, 5V and adjustable Output versions

Applications

Industrial, Power Management, Portable Devices, Automotive

Product Information

:
Synchronous Buck (Step Down)
:
4.5V
:
45V
:
1Outputs
:
DFN
:
8Pins
:
50mA
:
800mV
:
45V
:
580kHz
:
125°C
:
Cut Tape
:
-
:
-
:
MSL 1 - Unlimited
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