ADP1720

Rev. A | Page 6 of 16

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

GND

GND

GND

ADJ

IN

OUT

GND

GND

GND

GND

IN

OUT

GND

EN

1

2

3

4

8

7

6

5

ADP1720

FIXED

GND

EN

1

2

3

8

7

6

TOP VIEW

(Not to Scale)

4

ADP1720

ADJUSTABLE

TOP VIEW

(Not to Scale)

5

Figure 3. 8-Lead MSOP

Figure 4. 8-Lead MSOP

Table 4. Pin Function Descriptions

ADP1720

Fixed

Pin No.

ADP1720

Adjustable

Pin No.

Mnemonic

Description

1

N/A

GND

This pin is internally connected to ground.

N/A

1

ADJ

Adjust. A resistor divider from OUT to ADJ sets the output voltage.

2

2

IN

Regulator Input Supply. Bypass IN to GND with a 1 μF or greater capacitor.

3

3

OUT

Regulated Output Voltage. Bypass OUT to GND with a 1 μF or greater capacitor.

4

4

EN

Enable Input. Drive EN high to turn on the regulator; drive it low to turn off the regulator. For

automatic startup, connect EN to IN.

5

5

GND

Ground.

6

6

GND

Ground.

7

7

GND

Ground.

8

8

GND

Ground.