 2002-2012 Microchip Technology Inc.

DS21368C-page 3

TC1223/TC1224

2.0

PIN DESCRIPTIONS

The descriptions of the pins are listed in Table 2-1.

TABLE 2-1:

PIN FUNCTION TABLE

Pin No.

(5-Pin SOT-23A)

Symbol

Description

Unregulated supply input.

2

GND

Ground terminal.

3

SHDN

Shutdown control input. The regulator is fully enabled when a logic high is applied to this input.

The regulator enters shutdown when a logic low is applied to this input. During shutdown, output

voltage falls to zero and supply current is reduced to 0.5

A (max).

4

NC

No connect.

Regulated voltage output.