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TPS65161PWPR Datasheet(PDF) 13 Page - Texas Instruments

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Part # TPS65161PWPR
Description  BIAS POWER SUPPLY FOR TV AND MONITOR TFT LCD PANELS
PDF  31 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS65161PWPR Datasheet(HTML) 13 Page - Texas Instruments

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FUNCTIONAL BLOCK DIAGRAM
Current
Control
SoftStart
500kHz/
750kHz
Oscillator
D
S
VFB
1.154V
Comparator
GM Amplifier
Sawtooth
Generator
VFB
1.154
Vref
1.2 13 V
Bias
Vref=1.213V
Thermal
Shutdown
Sequencing
AVIN
SW
SW
GND
PGND
PGND
Q1
Negative
ChargePump
OS
GM Amplifier
LowGain
CurrentLimit
and
SoftStart
Q2
Vref
DLY1
OS
OS
AVIN
FREQ
Clock
SUP
DRP
Q3
Positive
ChargePump
Current
Control
SoftStart
COMP
FB
AVIN
Vref
SS
SS
SS
VINB
VINB
Regulator
8V
Sawtooth
Generator
Compensation
and
SoftStart
Vref
Logic
Clock
Clock/2
Clock/4
0.9V
0.6V
ClockSelectDuringShortCircuit
andSoftStart
ControlLogic
Ref
CurrentLimit
SWB
BOOT
FBB
Error Amplifier
SUP
DRN
FBN
Vref
1.2 13 V
Reference
Output
REF
DLY1
Vref
DLY2
DLY2
Step-Down
Converter
Q 3
D
S
GD
EN1
EN2
NC
Clock
DLY1
DLY2
Vref
Overvoltage
Comparator
ControlLogic
FBP
AVIN
TPS65161
TPS65161A, TPS65161B
www.ti.com .................................................................................................................................................... SLVS617C – APRIL 2006 – REVISED OCTOBER 2008
Copyright © 2006–2008, Texas Instruments Incorporated
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Product Folder Link(s): TPS65161 TPS65161A TPS65161B



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