Datasheet
ADP3309
Rev. C | Page 5 of 12
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
NC = NO CONNECT
IN
1
SD
3
GND
2
OUT
5
ERR/NC
3
ADP3309
TOP VIEW
(Not to Scale)
00141-003
Figure 3. Pin Configuration
Table 3. Pin Function Descriptions
Pin No. Mnemonic Description
1 IN Regulator Input.
2 GND Ground Pin.
3
SD Active Low Shutdown Pin. Connect to ground to disable the regulator output. When shutdown is not used, this
pin should be connected to the input pin.
4
ERR/NC Open Collector. Output that goes low to indicate the output is about to go out of regulation. This pin can be left
open. (NC = No Connect).
5 OUT
Output of the Regulator. Fixed 2.5 V, 2.7 V, 2.85 V, 2.9 V, 3.0 V, 3.3 V, or 3.6 V output voltage. Bypass to ground with
a 0.47 μF or larger capacitor.