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LTC2977 Datasheet PDF

Part Series:
LTC2977 Series
Category:
Power Monitors
Description:
Network Servers 4.5V to 15V 64Pin QFN EP
Updated Time: 2023/01/13 01:51:41 (UTC + 8)

LTC2977 Datasheet PDF Power Monitors

94 Pages
ADI
8-Channel PMBus Power System Manager Featuring Accurate Output Voltage Measurement
94 Pages
Linear Technology
PMBus Power System Manager 4.5V to 15V Automotive 64Pin QFN EP
94 Pages
ADI
8-Channel PMBus Power System Manager Featuring Accurate Output Voltage Measurement
94 Pages
Linear Technology
LINEAR TECHNOLOGY LTC2977CUP#TRPBF Special Function IC,8Channel Power System Manager, 4.5V to 15V, QFN-64

LTC2977IUP#PBF - Linear Technology Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
64 Pin
Supply Voltage (DC)
4.50V (min)
Case/Package
QFN-64
Supply Current
10 mA
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LTC2977IUP#PBF - Linear Technology Function Overview

The LTC2977IUP#PBF is a 8-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 overvoltage and undervoltage threshold limits for eight power supply output channels and one power supply input channel, as well as over and under temperature limits. 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 eight output voltages, one input voltage and die temperature. In addition, odd numbered channels can be configured to measure the voltage across a current sense resistor.
Supported by LTpowerPlay™ GUI
Margin or trim supplies to 0.25% accuracy
Coordinate sequencing and fault management across multiple chips
Operate autonomously without additional software
Internal temperature and input voltage supervisors
Accurate monitoring of eight output voltages, input voltage and internal die temperature
I²C/SMBus serial interface
Programmable watchdog timer
100% Pin-compatible upgrade to the LTC2978/LTC2978A
Green product and no Sb/Br
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