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LTC4417IGN#PBF - 

Special Function IC, Priority Power Supply Controller, 2.5 V to 36 V in, SSOP-24

LINEAR TECHNOLOGY LTC4417IGN#PBF

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Manufacturer Part No:
LTC4417IGN#PBF
Order Code:
2293163
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC4417IGN#PBF is a Prioritized PowerPath™ Controller that connects one of three valid power supplies to a common output based on priority. Priority is defined by pin assignment, with V1 assigned the highest priority and V3 the lowest priority. A power supply is defined as valid when its voltage has been within its overvoltage (OV) and undervoltage (UV) window continuously for at least 256ms. If the highest priority valid input falls out of the OV/UV window, the channel is immediately disconnected and the next highest priority valid input is connected to the common output. Two or more LTC4417s can be cascaded to provide switchover between more than three inputs. The gate driver includes a 6V clamp to protect external MOSFETs. A controlled output ramp feature minimizes start-up inrush current. Open drain VALID outputs indicate the input supplies have been within their OV/UV window for 256ms.
  • Blocks reverse and cross conduction currents
  • -42V Protection against reverse battery connection
  • Fast switchover minimizes output voltage droop
  • Low 28µA Operating current
  • <1µA Current draw from supplies less than VOUT
  • 1.5% Input overvoltage/undervoltage protection
  • Adjustable overvoltage/undervoltage hysteresis
  • P-channel MOSFET gate protection clamp
  • Cascadable for additional input supplies

Applications

Power Management, Industrial, Portable Devices, Computers & Computer Peripherals

Product Information

:
Priority Power Supply Controller
:
2.5V
:
36V
:
SSOP
:
24Pins
:
-40°C
:
85°C
:
Each
:
-
:
-
:
MSL 1 - Unlimited
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170 In stock

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165 will be available for delivery on 15-Oct-2017

More stock available week commencing 13/11/17
£6.48 £ 6.48
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