Application Notes

ATH Series of Wide-Output Adjust Power

Modules (3.3/5-V Input)

North America (USA): 1-888-41-ASTEC

Europe (UK): 44(1384)842-211

Asia (HK): 852-2437-9662

Figure 3-5; Simultaneous Power Up with Auto-Track Control

PTH05010W

1

10

4

5

6

2

3

98

Track

V

IN

V

O

GND

Inhibit

PTH05020W

1

10

4

5

6

2

3

98

Track

V

IN

V

O

GND

Inhibit

7

C

OUT

C

OUT

C

IN

C

IN

Vo

Vo

U1

U2

+5V

0V

On/Off Control

1 = Power Down

0 = Power Up

Q1

BSS138

C1

0.047µF

R1

100k

R

2

698

R

3

4k12

7

Figure 3-4; Sequenced Power Up & Power Down Using Auto-Track

Figure 3-6; Simultaneous Power Down with Auto-Track Control

Vo1 (1V/Div)

Vo2 (1V/Div)

On/Off Input

(5V/Div)

HORIZ SCALE: 5ms/Div

Vo1 (1V/Div)

Vo2 (1V/Div)

On/Off Control

(5V/Div)

HORIZ SCALE: 5ms/Div

ATH22T05-9SJ

ATH15T05-9SJ