Analog Devices Linear LTM 4700 User Manual page 3

TABLE OF CONTENTS
Programmable Loop Compensation ...................... 57
Checking Transient Response ................................58
PolyPhase Configuration ................................... 59
Connecting The USB to I
PMBus Controller to the LTM4700 In System ........ 59
LTpowerPlay: An Interactive GUI for Digital Power .60
PMBus Communication and Command
Processing .............................................................60
Thermal Considerations and Output
Current Derating ....................................................62
Applications Information-Derating Curves ............ 68
EMI Performance ...................................................69
Safety Considerations ............................................69
Layout Checklist/Example .....................................69
Typical Applications ...................................... 71
PMBus Command Details ............................... 76
Addressing and Write Protect ................................. 76
General Configuration Commands .......................... 78
On/Off/Margin ........................................................ 79
PWM Configuration ................................................ 81
Voltage ....................................................................84
Input Voltage and Limits .....................................84
Output Voltage and Limits ..................................85
Output Current and Limits ......................................88
Input Current and Limits ....................................90
Temperature ............................................................ 91
External Temperature Calibration........................ 91
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C/SMBus/
For more information
Timing ....................................................................92
Timing-On Sequence/Ramp .............................92
Timing-Off Sequence/Ramp ............................93
Precondition for Restart .....................................94
Fault Response .......................................................94
Fault Responses All Faults ..................................94
Fault Responses Input Voltage ...........................95
Fault Responses Output Voltage .........................95
Fault Responses Output Current .........................98
Fault Responses IC Temperature ........................99
Fault Responses External Temperature ............. 100
Fault Sharing ......................................................... 101
Fault Sharing Propagation ................................ 101
Fault Sharing Response .................................... 103
Scratchpad ........................................................... 103
Identification ......................................................... 104
Fault Warning and Status ...................................... 105
Telemetry ...............................................................111
NVM Memory Commands .................................... 115
Store/Restore ................................................... 115
Fault Logging .................................................... 116
Block Memory Write/Read................................ 120
Typical Applications .................................... 121
Package Description ................................... 122
Revision History ........................................ 125
Package Photograph ................................... 126
Related Parts ............................................ 126
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LTM4700
Rev. B
3