DC1540A Linear Technology, DC1540A Datasheet - Page 2

• Manufacturer Part Number: DC1540A
• Description: LTC2978 Demoboard (includes DC1360A + DC1361A), Requires DC1613A
• Manufacturer: Linear Technology
• Series: -r

Specifications of DC1540A

• Design Resources: DC1540 Design File
• Main Purpose: Power Management, Power Supply Supervisor/Tracker/Sequencer
• Embedded: No
• Utilized Ic / Part: LTC2978
• Primary Attributes: Voltage Detector & Supervisor
• Secondary Attributes: -
• Kit Application Type: Power Management
• Application Sub Type: Power Supply Controller
• Features: Demonstration System For The LTC2978 Octal I2C / SMBus / PMBus Power Supply Monitor & Controller
• Lead Free Status / Rohs Status: Not applicable / Not applicable

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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