ltc2978 Linear Technology Corporation, ltc2978 Datasheet - Page 2

• Manufacturer Part Number: ltc2978
• Description: Octal Pmbus Power Supply Monitor And Controller With Eeprom
• Manufacturer: Linear Technology Corporation

Features .............................................................................................................................1
Applications ........................................................................................................................1
Typical Application ................................................................................................................1
Description..........................................................................................................................1
Absolute Maximum Ratings ......................................................................................................3
Order Information ..................................................................................................................3
Pin Configuration ..................................................................................................................3
Electrical Characteristics .........................................................................................................4
Timing Diagram ....................................................................................................................8
Typical Performance Characteristics ...........................................................................................8
Pin Functions ..................................................................................................................... 12
Block Diagram .................................................................................................................... 14
Operation.......................................................................................................................... 15
Applications Information ....................................................................................................... 50
Typical Application .............................................................................................................. 62
Package Description ............................................................................................................ 63
Typical Application .............................................................................................................. 64
Related Parts ..................................................................................................................... 64
LTC2978
Table oF conTenTs

Operation Overview ...............................................................................................................................................15
PMBus Serial Digital Interface ...............................................................................................................................16
Register Command Set ..........................................................................................................................................18
Detailed PMBus Command Register Descriptions .................................................................................................22
Manufacturer Specific Commands .........................................................................................................................35
Watchdog ..............................................................................................................................................................49
Reset .....................................................................................................................................................................49
Write-Protect Pin ...................................................................................................................................................49
Other Operations ....................................................................................................................................................49
PCB Assembly and Layout Suggestions ................................................................................................................61
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