ADP220/ADP221

Data Sheet

Rev. H | Page 6 of 20

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

TOP VIEW

(BALL SIDE DOWN)

Not to Scale

1

A

2

EN1

VOUT1

GND

VIN

EN2

VOUT2

B

C

Figure 3. Pin Configuration

Table 5. Pin Function Descriptions

Pin No.

Mnemonic

Description

A1

EN1

Enable Input for Regulator 1. Drive EN1 high to turn on Regulator 1; drive it low to turn off Regulator 1.

For automatic startup, connect EN1 to VIN.

B1

GND

Ground Pin.

C1

EN2

Enable Input for Regulator 2. Drive EN2 high to turn on Regulator 2; drive it low to turn off Regulator 2.

For automatic startup, connect EN2 to VIN.

A2

VOUT1

Regulated Output Voltage 1. Connect a 1 µF or greater output capacitor between VOUT1 and GND.

B2

VIN

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

C2

VOUT2

Regulated Output Voltage 2. Connect a 1 µF or greater output capacitor between VOUT2 and GND.