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R= 10 k

x

SET

W

0.8 V

-R k

S

W

V- V

Omin

(1)

V

I

GND

V

O

V Sense

O

R

1%

SET

PTH12060

1

10

4

5

6

2

3

9

7

8

C

330 F

(Optional)

O

m

C

560 F

(Required)

I

m

PTH12060W/L

SLTS217D–MAY 2003–REVISED OCTOBER 2005

For other output voltages, the value of the required resistor can either be calculated, or simply selected from the

Table 3. Adjust Formula Parameters

Part Number

PTH12060W

PTH12060L

1.2 V

0.8 V

5.5 V

1.8 V

1.82 kΩ

7.87 kΩ

(1) A 0.05-W rated resistor can be used. The tolerance should be 1%, with a temperature stability of 100 ppm/°Cor

better. Place the resistor as close to the regulator as possible. Connect the resistor directly between pins 4 and 7

using dedicated PCB traces.

stability of the regulator.

12