Pin description

L4957A

4/12

2

Pin description

2.1

Pin connection

Figure 3.

Pin connection (top view)

2.2

Pin description

OUT

GND

IN

1

3

D98IN933A

2

Table 1. Pin description

Name

Pin N°

Description

1

IN

Unregulated input voltage; this pin must be bypassed with a capacitor larger

than 10

µF.

2

GND

To connect to Ground to get 1.5V, 1.8V, 2.5V or 3.3V output.

3

OUT

Regulated output voltage. A minimum bypass capacitor of 22

µF is required to

insure stability.