Datasheet

www.ti.com
PTV03020W
GND
V
O
V Adj
O
GND
V Sense
O
V
O
R ,1%
SET
GND
C
O
PTV03020W
SLTS243A – FEBRUARY 2005 – REVISED OCTOBER 2007
Figure 6. V
O
Adjust Resistor Placement
Table 3. Calculated Values of R
SET
for Other Output Voltages
V
O
R
SET
V
O
R
SET
0.800 Open 1.450 9.82 k Ω
0.825 318 k Ω 1.500 8.94 k Ω
0.850 158 k Ω 1.550 8.18 k Ω
0.875 104 k Ω 1.600 7.51 k Ω
0.900 77.5 k Ω 1.650 6.92 k Ω
0.925 61.5 k Ω 1.700 6.40 k Ω
0.950 50.8 k Ω 1.750 5.93 k Ω
0.975 43.2 k Ω 1.800 5.51 k Ω
1.000 37.5 k Ω 1.850 5.13 k Ω
1.025 33.1 k Ω 1.900 4.78 k Ω
1.050 29.5 k Ω 1.950 4.47 k Ω
1.075 26.6 k Ω 2.000 4.18 k Ω
1.100 24.2 k Ω 2.050 3.91 k Ω
1.125 22.1 k Ω 2.100 3.66 k Ω
1.150 20.4 k Ω 2.150 3.44 k Ω
1.175 18.8 k Ω 2.200 3.22 k Ω
1.200 17.5 k Ω 2.250 3.03 k Ω
1.225 16.3 k Ω 2.300 2.84 k Ω
1.250 15.3 k Ω 2.350
(1)
2.67 k Ω
1.300 13.5 k Ω 2.400
(1)
2.51 k Ω
1.350 12.1 k Ω 2.450
(1)
2.36 k Ω
1.400 10.8 k Ω 2.500
(1)
2.22 k Ω
(1) For V
O
> 2.3 V, the minimum required input voltage is V
O
+ 0.65 V. See the Electrical Characteristics
for additional information.
Copyright © 2005 – 2007, Texas Instruments Incorporated Submit Documentation Feedback 9
Product Folder Link(s) :PTV03020W