Datasheet

UCD3138
SLUSAP2F –MARCH 2012 –REVISED NOVEMBER 2013 www.ti.com
List of Figures
3-1 I
2
C/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
4 List of Figures Copyright © 2012–2013, Texas Instruments Incorporated