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LT3697IMSE#PBF - 

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 5V-35Vin, 5V-6.1Vout, 2.5Aout, MSOP-16

LINEAR TECHNOLOGY LT3697IMSE#PBF

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
LT3697IMSE#PBF
Order Code:
2461070
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT3697IMSE#PBF is a step-down Switching Regulator designed to power 5V USB applications. A precise output voltage and programmable cable drop compensation maintain accurate 5V regulation at the USB socket connected to the end of a long cable. The accurate, programmable current limit can eliminate the need for a USB power switch and improve system reliability. The provided 180mA active load reduces output overshoot during load transients. Dual feedback allows regulation on the output of a USB switch and limits cable drop compensation to a maximum of 6.1V output, protecting USB device during fault conditions. A separate 5V output can be taken from the SYS terminal to power auxiliary circuitry such as a USB hub controller. The LT3697 also provides a load current monitor output and an overcurrent fault indicator. The LT3697 operates from 300kHz to 2.2MHz and withstands input voltage transients up to 60V. The device's output survives shorts to ground and to the battery.
  • Current-mode topology is used for fast transient response and good loop stability
  • Shutdown reduces input supply current to less than 1µA
  • Programmable cable drop compensation
  • Programmable output current limit
  • Dual input feedback permits regulation on output of USB switch
  • Active load reduces output overshoot
  • FLT flag indicates overcurrent on the USB output
  • USB output current monitor
  • Withstands input transient to 60V
  • Survives output short to GND and car battery
  • Synchronizable from 300kHz to 2.2MHz
  • 1.5ms FLT flag delay filters hot plug events

Applications

Automotive, Industrial

Product Information

:
Buck (Step Down)
:
5V
:
35V
:
1Outputs
:
MSOP
:
16Pins
:
2.5A
:
5V
:
6.1V
:
2.2MHz
:
125°C
:
Cut Tape
:
-
:
-
:
MSL 1 - Unlimited
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More stock available week commencing 23/10/17

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