ADP172 Analog Devices, Inc., ADP172 Datasheet - Page 6

• Manufacturer Part Number: ADP172
• Description: 300 Ma, Low Quiescent Current, Cmos Linear Regulator
• Manufacturer: Analog Devices, Inc.

ADP172
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 5. Pin Function Descriptions
Pin No.
A1
A2
B1
B2
Mnemonic
VIN
VOUT
EN
GND
Description
Regulator Input Supply. Bypass VIN to GND with a 1 μF or greater capacitor.
Output Voltage Adjust Input. Connect the midpoint of an external divider from VOUT to GND to this pin
to set the output voltage
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.
Ground.
Figure 2. Pin Configuration
Rev. A | Page 6 of 20
A
B
(BALL SIDE DOWN)
BALL 1
INDICATOR
Not to Scale
VIN
TOP VIEW
EN
1
VOUT
GND
2