TC1174 查看數據表（PDF） - Microchip Technology

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TC1174

300mA CMOS LDO with Shutdown and VREF Bypass

Microchip Technology 

TC1174

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)

(8-Pin MSOP)

1

2

3

4

5

6

7

8

Symbol

Description

VOUT

GND

NC

ADJ

Bypass

SHDN

NC

VIN

Regulated voltage output.

Ground terminal.

No connect.

Output voltage adjust terminal. Output voltage setting is programmed with a resistor divider from

VOUT to this input. A capacitor may also be added to this input to reduce output noise.

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 0.05A (typical).

No connect.

Unregulated supply input.

 2002-2012 Microchip Technology Inc.

DS21363C-page 3

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