ADP172

Rev. 0 | Page 6 of 20

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

VIN

EN

TOP VIEW

(BALL SIDE DOWN)

Not to Scale

BALL 1

INDICATOR

VOUT

GND

A

12

B

Figure 2. Pin Configuration

Table 5. Pin Function Descriptions

Pin No.

Mnemonic

Description

A1

VIN

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

A2

VOUT

Output Voltage Adjust Input. Connect the midpoint of an external divider from VOUT to GND to this pin

to set the output voltage

B1

EN

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

startup, connect EN to VIN.

B2

GND

Ground.