AP7173

1.5A LOW DROPOUT LINEAR REGULATOR WITH

PROGRAMMABLE SOFT-START

AP7173 Rev. 7

2 of 16

OCTOBER 2009

DS31369

www.diodes.com

Typical Application Circuit

(Continued)

Table 1. Resistor Values for Programming the Output Voltage (Note 3)

Short

Open

0.8

0.619

4.99

0.9

1.13

4.53

1

1.37

4.42

1.05

1.87

4.99

1.1

2.49

4.99

1.2

4.12

4.75

1.5

3.57

2.87

1.8

3.57

1.69

2.5

3.57

1.15

3.3

Table 2. Capacitor Values for Programming the Soft-Start Time (Note 4)

CSS

SOFT-START TIME

Open

0.1ms

270pF

0.5ms

560pF

1ms

2.7nF

5ms

5.6nF

10ms

0.01

µF

18ms

Notes:

Figure 2. Turn-On Response