ADP3309

Rev. C | Page 5 of 12

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

NC = NO CONNECT

OUT

5

ERR/NC

3

ADP3309

TOP VIEW

(Not to Scale)

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.