UCD3138RMHT datasheet(3/78 Pages) TI1

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UCD3138

www.ti.com

SLUSAP2F – MARCH 2012 – REVISED NOVEMBER 2013

4.9

Triangular Mode

........................................................................................................... 38

4.10

Leading Edge Mode

....................................................................................................... 39

4.11

Sync FET Ramp and IDE Calculation

.................................................................................. 41

4.12

Automatic Mode Switching

............................................................................................... 41

4.12.1

Phase Shifted Full Bridge Example

.......................................................................... 41

4.12.2

LLC Example

.................................................................................................... 42

4.12.3

Mechanism for Automatic Mode Switching

.................................................................. 44

4.13

DPWMC, Edge Generation, IntraMux

.................................................................................. 45

4.14

Filter

......................................................................................................................... 46

4.14.1

Loop Multiplexer

................................................................................................ 48

4.14.2

Fault Multiplexer

................................................................................................ 49

4.15

Communication Ports

..................................................................................................... 51

4.15.1

SCI (UART) Serial Communication Interface

............................................................... 51

4.15.2

PMBUS

.......................................................................................................... 51

4.15.3

General Purpose ADC12

...................................................................................... 52

4.15.4

Timers

............................................................................................................ 53

4.15.4.1

24-bit PWM Timer

.................................................................................. 53

4.15.4.2

16-Bit PWM Timers

................................................................................ 54

4.15.4.3

Watchdog Timer

.................................................................................... 54

4.16

Miscellaneous Analog

..................................................................................................... 54

4.17

Package ID Information

................................................................................................... 54

4.18

Brownout

................................................................................................................... 54

4.19

Global I/O

................................................................................................................... 55

4.20

Temperature Sensor Control

............................................................................................. 56

4.21

I/O Mux Control

............................................................................................................ 56

4.22

Current Sharing Control

.................................................................................................. 56

4.23

Temperature Reference

.................................................................................................. 57

IC Grounding and Layout Recommendations

........................................................................ 58

Tools and Documentation

................................................................................................... 59

References

....................................................................................................................... 61

Revision History

......................................................................................................................... 62

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