Datasheet

PTH08T240F
www.ti.com ............................................................................................................................................... SLTS277D – DECEMBER 2006 – REVISED MARCH 2009
Table 2. Output Voltage Set-Point Resistor Values (Standard Values)
V
O
Required (V) R
SET
(k Ω )
0.70
(1)
681
0.75
(1)
113
0.80
(1)
61.9
0.85
(1)
41.2
0.90
(1)
31.6
0.95
(1)
24.9
1.00
(1)
20.5
1.05
(1)
17.8
1.10
(1)
15.4
1.15
(1)
13.3
1.20
(1)
12.1
1.25
(1)
10.7
1.30 9.88
1.35 9.09
1.40 8.25
1.45 7.68
1.50 6.98
1.55 6.49
1.60 6.04
1.65 5.76
1.70 5.36
1.75 5.11
1.80 4.75
1.85 4.53
1.90 4.22
1.95 4.02
2.00 3.83
(1) For output voltages less than 1.3 V, the ripple may increase (up to 2 × ) when operating at input
voltages greater than (V
O
× 11). See the SmartSync section and the TurboTrans section of the
datasheet for more information.
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