AT1799 Datasheet, PDF (2/14 Pages) Aimtron Technology – 2A Step-Down Voltage Regulator

Pin Configuration
AT1799
2A Step-Down Voltage Regulator
Ordering Information
Part number
AT1799S
AT1799S_GRE
Package
SOP-8
SOP-8,Green
Marking
Date Code
,Date Code with one bottom line
: Date Code
*For more marking information, contact out sales representative directly
Pin Descriptions
Pin N0. Symbol I / O
Description
1
IN
P
Power Input. IN supplies power to the IC and Step-down converter
switch. IN must be bypassed with a low-ESR capacitor.
2
EN
I
Enable input. EN is a digital input that turns the regulator on/off. Drive
EN high to turn on the regulator, drive it low to turn it off.
3
COMP
O
Error Amplifier Output. A series RC network connected to this pin
compensates AT1799.
4
FB
I
Feedback Input. Connect a resistive divider from switching output to
FB to ground.
5,6
GND
P Ground.
7,8
SW
O Power Switching Output.
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone] Fax: [phone]
WWW: http://www.aimtron.com.tw
8/23/2006 REV:1.1
Email: [e-mail]
2