Datasheet

N = Number of Track pins connected together
10 kΩ
# R
TRK
= 100 Ω / N
V
I
= 12 V
Vo
1
= 3.3 V
R
SET1
C
O1
+
C
+
PTH12050W
5
63
4
2
Track
V
I
V
O
GND
Inhibit
1
Adjust
TL7712A
V
CC
GND
SENSE
RESIN
REF
CT
RESET
RESET
8
7
2
1
3
5
6
4
C
T
C
REF
R
RST
Vo
2
= 1.8 V
C
O2
+
C
+
PTH12060W
7
10
4
5
62
3
9 8
Track
V
I
V
O
GNDInhibit
1
Up Dn Sense
Adjust
SET2
U1
U2
U3
R
TRK
#
2.0 kΩ
11.5 kΩ
I2
0.1 µF
3.3 µF
50 Ω
I1
R
PTV12020W/L
SLTS231C –NOVEMBER 2004–REVISED FEBRUARY 2007 www.ti.com
Figure 14. Sequenced Power Up and Power Down Using Auto-Track
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Product Folder Links :PTV12020W/L