TC1265 データシートの表示（PDF） - Microchip Technology

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TC1265

800 mA Fixed-Output CMOS LDO with Shutdown

Microchip Technology 

TC1265

3.0 PIN DESCRIPTIONS

The descriptions of the pins are listed in Table 3-1.

TABLE 3-1: PIN FUNCTION TABLE

Pin No.

(8-Pin SOIC)

1

2

3

4

5

6

7

8

Pin No.

(5-Pin DDPAK)

(5-Pin TO-220)

5

3

—

1

—

2

—

4

Symbol

Description

VOUT

GND

NC

BYPASS

ERROR

SHDN

NC

VIN

Regulated voltage output

Ground terminal

No connect

Reference bypass input

Out-of-Regulation Flag (open-drain output)

Shutdown control input

No connect

Unregulated supply input

3.1 Regulated Output Voltage (VOUT)

Regulated voltage output.

3.2 Ground (GND)

Ground terminal.

3.3 Reference Bypass (BYPASS)

Reference bypass input. Connecting a 470 pF to this

input further reduces output noise.

3.4 Out-of-Regulation Flag (ERROR)

Out-of-regulation flag (open-drain output). This output

goes low when VOUT is out-of-tolerance by

approximately -5%.

3.5 Shutdown Control (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, the output voltage falls to zero

and the supply current is reduced to 0.05 µA (typical).

3.6 Unregulated Supply (VIN)

Unregulated supply input.

DS21376D-page 6

© 2006 Microchip Technology Inc.

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