TC1263 データシートの表示（PDF） - Microchip Technology

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TC1263

500mA Fixed Output CMOS LDO with Shutdown

Microchip Technology 

TC1263

2.0 PIN DESCRIPTIONS

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

TABLE 2-1: PIN FUNCTION TABLE

Pin No.

(8-Pin SOIC)

1

2

3

4

5

6

7

8

Symbol

Description

VOUT

GND

NC

BYPASS

ERROR

NC

SHDN

VIN

Regulated voltage output.

Ground terminal.

No connect.

Reference bypass input. Connecting a 470pF to this input further reduces output noise.

Out-of-Regulation Flag (open drain output). This output goes low when VOUT is out-of-tolerance

by approximately – 5%.

No connect.

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 0.05µA (typical).

Unregulated supply input.

Pin No.

(5-Pin DDPAK)

(5-Pin TO-220)

1

2

3

4

5

Symbol

Description

BYP

SHDN

GND

VIN

VOUT

Reference bypass input. Connecting a 470pF to this input further reduces output noise.

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 0.05µA (typical).

Ground terminal.

Unregulated supply input.

Regulated voltage output.

© 2002 Microchip Technology Inc.

DS21374B-page 3

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