Datasheet
GND GND
PTN78060H
1
4
6
2
3
Adjust
GND GND
V
O
V
I
V
I
V
O
Inhibit
7
5
Sense
+
C3
C2
C1
4.7 Fm
4.7 Fm
4.7 Fm
Ceramic
Ceramic
Ceramic
R
SET
0.05W
1%
C4
100 Fm
PTN78060W , PTN78060H
SLTS229B – NOVEMBER 2004 – REVISED JUNE 2009 ...................................................................................................................................................
www.ti.com
(1) A 0.05-W rated resistor may be used. The tolerance should be 1%, with a temperature stability of 100 ppm/ ° C (or
better). Place the resistor as close to the regulator as possible. Connect the resistor directly between pins 4 and 7
using dedicated PCB traces.
(2) Never connect capacitors from V
O
Adjust to either GND or V
O
. Any capacitance added to the V
O
Adjust pin affects the
stability of the regulator.
Figure 28. PTN78060H V
O
Adjust Resistor Placement
Table 4. PTN78060H Output Voltage Set-Point Resistor Values
V
O
R
SET
V
O
R
SET
V
O
R
SET
11.85 V 2633 k Ω 13.50 V 34.3 k Ω 17.20 V 6.12 k Ω
11.90 V 896 k Ω 13.65 V 30.9 k Ω 17.40 V 5.66 k Ω
11.95 V 538 k Ω 13.80 V 28.1 k Ω 17.60 V 5.23 k Ω
12.00 V 451 k Ω 13.95 V 25.6 k Ω 17.80 V 4.83 k Ω
12.10 V 242 k Ω 14.10 V 23.5 k Ω 18.00 V 4.46 k Ω
12.15 V 204 k Ω 14.25 V 21.6 k Ω 18.20 V 4.11 k Ω
12.20 V 176 k Ω 14.40 V 19.9 k Ω 18.40 V 3.79 k Ω
12.25 V 154 k Ω 14.55 V 18.5 k Ω 18.60 V 3.48 k Ω
12.30 V 138 k Ω 14.70 V 17.2 k Ω 18.80 V 3.19 k Ω
12.35 V 124 k Ω 14.85 V 16.0 k Ω 19.00 V 2.91 k Ω
12.40 V 113 k Ω 15.00 V 14.9 k Ω 19.20 V 2.65 k Ω
12.45 V 103 k Ω 15.15 V 13.9 k Ω 19.40 V 2.41 k Ω
12.50 V 94.9 k Ω 15.30 V 13.1 k Ω 19.60 V 2.18 k Ω
12.55 V 87.9 k Ω 15.45 V 12.3 k Ω 19.80 V 1.95 k Ω
12.60 V 81.8 k Ω 15.60 V 11.5 k Ω 20.00 V 1.74 k Ω
12.65 V 76.4 k Ω 15.75 V 10.8 k Ω 20.20 V 1.54 k Ω
12.70 V 71.7 k Ω 15.90 V 10.2 k Ω 20.40 V 1.35 k Ω
12.75 V 67.5 k Ω 16.05 V 9.59 k Ω 20.60 V 1.17 k Ω
12.80 V 63.7 k Ω 16.20 V 9.03 k Ω 20.80 V 995 Ω
12.85 V 60.2 k Ω 16.35 V 8.51 k Ω 21.00 V 829 k Ω
12.90 V 57.1 k Ω 16.50 V 8.03 k Ω 21.20 V 669 Ω
12.95 V 54.3 k Ω 16.65 V 7.57 k Ω 21.40 V 516 Ω
13.00 V 51.7 k Ω 16.80 V 7.14 k Ω 21.80 V 229 Ω
13.05 V 49.3 k Ω 17.10 V 6.36 k Ω 22.00 V 94 Ω
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