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UCD3138128APFC Datasheet(PDF) 64 Page - Texas Instruments

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Part # UCD3138128APFC
Description  UCD3138128A Highly-Integrated Digital Controller For Isolated Power
PDF  83 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

UCD3138128APFC Datasheet(HTML) 64 Page - Texas Instruments

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QT1
QB1
Lr
ISOLATED
GATE Transformer
SYNCHRONOUS
GATE DRIVE
PRIM
CURRENT
T1
T1
VBUS
QT2
QB2
D1
D2
T2
L1
Q5
R2
Q6
I_pri
VOUT
Copyright © 2016, Texas Instruments Incorporated
64
UCD3138128A
SLUSC99 – JULY 2016
www.ti.com
Product Folder Links: UCD3138128A
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Copyright © 2016, Texas Instruments Incorporated
10.2.2.2 DPWM Initialization for PSFB
The UCD3138xA DPWM peripheral provides flexibility for a wide range of topologies. The PSFB configuration
utilizes the Intra-Mux and Edge Generation Modules of the DPWM. For a diagram showing these modules, see
the UCD3138xA Digital Power Peripherals Manual.
Here is a schematic of the power stage of the PSFB:
Figure 42. Schematic – PSFB Power Stage



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