G5122T11U 参数 Datasheet PDF下载

Global Mixed-mode Technology Inc.

Pin Description

PIN

1

2

3

4

5

G5122

NAME

SW

GND

FBN

SHDN

FUNCTION

Switch Pin. The drain of the internal NMOS power switch. Connect this pin to inductor.

Ground.

Feedback Pin. Set the output voltage by selecting values for R1 and R2 (see Block Diagram):

|V

OUT

|

- 1.2

R1 =

1.2/R2 + (1.6x10

-6

)

Active-Low Shutdown Pin. Tie this pin to logic-high to enable the device or tied it to logic-low to turn

this device off.

Input Supply Pin. Bypass this pin with a capacitor as close to the device as possible.

VCC

Ver: 0.2 Preliminary

Mar 21, 2005

TEL: 886-3-5788833

http://www.gmt.com.tw

5