UCD3138RMHR datasheet(4/78 Pages) TI1

4 / 78 page

UCD3138

SLUSAP2F – MARCH 2012 – REVISED NOVEMBER 2013

www.ti.com

List of Figures

3-1

2C/SMBus/PMBus Timing Diagram

........................................................................................... 20

3-2

Bus Timing in Extended Mode

.................................................................................................. 20

3-3

Power On Reset (POR) / Brown Out Reset (BOR)

.......................................................................... 20

3-6

ADC12 Measurement Temperature Sensor Voltage vs. Temperature

.................................................... 22

3-7

ADC12 2.5-V Reference vs. Temperature

.................................................................................... 22

3-8

ADC12 Temperature Sensor Measurement Error vs. Temperature

....................................................... 22

3-9

UCD3138 Oscillator Frequency (2MHz Reference, Divided Down from 250MHz) vs. Temperature

.................. 22

4-1

Input Stage of EADC Module

................................................................................................... 28

4-2

Front End Module

(Front End 2 Recommended for Peak Current Mode Control)

............................................................. 28

4-3

Secondary-Referenced Phase-Shifted Full Bridge Control

With Synchronous Rectification

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

4-4

Secondary-Referenced Half-Bridge Resonant LLC Control

With Synchronous Rectification

................................................................................................ 43

4-5

Fault Mux Block Diagram

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

4-6

PMBus Address Detection Method

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

4-7

ADC12 Control Block Diagram

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

4-8

Internal Temp Sensor

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

4-9

Simplified Current Sharing Circuitry

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

List of Figures

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