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TPS65167 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
TPS65167 Compact LCD Bias Supply for TFT-LCD TV Panels TI
Texas Instruments TI
TPS65167 Datasheet PDF : 42 Pages
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TPS65167
TPS65167A
www.ti.com
SLVS760C – APRIL 2007 – REVISED MARCH 2008
ELECTRICAL CHARACTERISTICS (continued)
AVIN=VINB=SUPN=12V, EN=REGOUT, Vs = 15V, Vlogic = 3.3V , Vaux = 1.8V, TA = –40°C to 85°C, typical values are at
TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
V(POUT)
Ilkg
Positive charge pump output voltage
RHVS pull down resistance
RHVS leakage current
TPS65167, HVS = high
TPS65167A, TPS65167, HVS = high, I(HVS) = 100 µA
TPS65167A, TPS65167, HVS = low, V(RHVS) = 5 V
29
30
31
V
450
650
850
100
nA
VINB
BOOT
SWB
SWB
PGND
PGND
VLOGIC
FBB
REGOUT
REF
40
1
39 38 37 36 35 34
33 32 31
30
2
29
3
28
4
27
5
Exposed
26
Thermal Die
6
(See NOTE)
25
7
24
8
23
9
22
10
11
12 13 14 15 16
21
17 18 19 20
COMP
FB
RHVS
HVS
EN
GDLY
CTRL
DRN
VGH
POUT
NOTE: The thermally enhance PowerPAD is connected to GND.
TERMINAL
NAME
NO.
VINB
1
BOOT
2
SWB
3, 4
PGND
5
PGND
6
VLOGIC
7
FBB
8
REGOUT
9
REF
10
FBN
11
SUPN
12
TERMINAL FUNCTIONS
I/O
DESCRIPTION
I Power input for the buck converter.
I
This pin generates the gate drive voltage for the Buck converter. Connect a 100 nF from this pin to the
switch pin of the step-down converter SWB.
O Switch pin of the step-down converter
Power ground for the step-down converter
Power ground for the negative charge pump
I Output sense of the step-down converter
I Feedback pin of the step-down converter
O Output of the internal 5V regulator. Connect a 4.7 µF bypass capacitor to this pin.
O Internal reference output typically 1.213 V. Connect a 100 nF bypass capacitor to this pin.
I Feedback pin of negative charge pump
I Power supply pin for the negative charge pump driver.
Copyright © 2007–2008, Texas Instruments Incorporated
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