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LTC3880 Datasheet(PDF) 3 Page - Linear Technology |
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LTC3880 Datasheet(HTML) 3 Page - Linear Technology |
3 / 116 page LTC3880/LTC3880-1 3 3880fd For more information www.linear.com/LTC3880 TABLE OF CONTENTS RCONFIG (External Resistor Configuration Pins).................................................49 Voltage Selection................................................49 Frequency and Phase Selection Using RCONFIG ............................................................50 Address Selection Using RCONFIG..................... 51 Efficiency Considerations .......................................52 Checking Transient Response.................................53 PC Board Layout Checklist .....................................54 PC Board Layout Debugging...................................56 Design Example......................................................57 Connecting the USB to the I2C/SMBus/PMBus Controller to the LTC3880 In System......................59 LTpowerPlay: An Interactive GUI for Digital Power ..........................................................60 PMBus Communication and Command Processing..............................................................61 PMBus Command Details ...............................63 Addressing and Write Protect.................................63 General Configuration Registers.............................65 On/Off/Margin ........................................................66 PWM Config ...........................................................68 Voltage....................................................................70 Input Voltage and Limits.....................................70 Output Voltage and Limits..................................71 Current.................................................................... 74 Input Current Calibration ................................... 74 Output Current Calibration ................................. 74 Input Current ...................................................... 74 Output Current....................................................75 Temperature............................................................76 External Temperature Calibration........................76 External Temperature Limits...............................77 Timing ....................................................................78 Timing—On Sequence/Ramp.............................78 Timing—Off Sequence/Ramp ............................79 Precondition for Restart .....................................79 Fault Response .......................................................80 Fault Responses All Faults..................................80 Fault Responses Input Voltage ...........................80 Fault Responses Output Voltage.........................81 Fault Responses Output Current.........................84 Fault Responses IC Temperature ........................85 Fault Responses External Temperature...............86 Fault Sharing...........................................................87 Fault Sharing Propagation ..................................87 Fault Sharing Response......................................89 Scratchpad .............................................................89 Identification...........................................................90 Fault Warning and Status........................................91 Telemetry................................................................98 NVM Memory Commands .................................... 101 Store/Restore ................................................... 101 Fault Logging.................................................... 102 Block Memory Write/Read................................ 108 Typical Applications .................................... 109 Package Description ................................... 114 Revision History ........................................ 115 Typical Application ..................................... 116 Related Parts ............................................ 116 |
Similar Part No. - LTC3880_15 |
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Similar Description - LTC3880_15 |
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