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LINEAR TECHNOLOGY  LTC2975IUP#PBF  PMBUS PWR SYSTEM MANAGER, 4CH, QFN-64

Technical Data Sheet (1.26MB) EN See all Technical Docs

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LINEAR TECHNOLOGY LTC2975IUP#PBF
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Product Overview

The LTC2975IUP#PBF is a 4-channel Power System Manager used to sequence, trim (servo), margin, supervise, manage faults, provide telemetry and create fault logs. PMBus commands support power supply sequencing, precision point-of-load voltage adjustment and margining. DACs use a proprietary soft-connect algorithm to minimize supply disturbances. Supervisory functions include over and under current, voltage and temperature threshold limits for four power supply output channels as well as over and under voltage threshold limits for a single power supply input channel. Programmable fault responses can disable the power supplies with optional retry after a fault is detected. Faults that disable a power supply can automatically trigger black box EEPROM storage of fault status and associated telemetry. An internal 16-bit ADC monitors four output voltages, four output currents, four external temperatures, input voltage and current and die temperature.
  • Supported by LTpowerPlay™ GUI
  • Margin or trim supplies to within 0.25% of target
  • Monitor input current (±1%) and accumulate energy
  • Fast OV/UV and OC supervisors per channel
  • Coordinate sequencing and fault management across multiple LTC PSM devices
  • Automatic fault logging to internal EEPROM
  • Operate autonomously without additional software
  • External temperature and input voltage supervisors
  • I2C/SMBus serial interface

Product Information

Input Voltage Min:
4.5V
Input Voltage Max:
15V
PWM Input Frequency:
-
Digital IC Case:
QFN
No. of Pins:
64Pins
External Input Capacitance:
10pF
External Output Capacitance:
10pF
Operating Temperature Min:
-40°C
Operating Temperature Max:
105°C
Packaging:
Cut Tape
Product Range:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Computers & Computer Peripherals;
  • Industrial;
  • Test & Measurement;
  • Medical

Legislation and Environmental

Moisture Sensitivity Level:
MSL 1 - Unlimited
Country of Origin:
United States

Country in which last significant manufacturing process was carried out

RoHS Compliant:
Yes
Tariff No:
85423990
Weight (kg):
.000692

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