PACKAGE: PIN DESCRIPTION
Pin #
nSOIC
Pin #
DFN
Pin #
SOT-3
Pin Name
Description
2
5-8
3
3
7
5
1
1
2
5
3
VIN
GND
VOUT
EN
Supply Input
Ground
Regulator Output
1
Enable(input). CMOS compatible
control input. Logic high = enable;
logic low or open = shutdown
4
-
8
4
-
ADJ/BYP Adjust(input). Feedback input.
Connect to resistive voltage-divider
network
4, 6
NC
No Connect
PACKAGE: PINOUTS
ADJ/BYP
GND
EN
NC
1
GND
8
EN
1
2
8
7
6
SPX3819
SPX3819
GND
7
V
2
IN
8 Pin DFN
8 Pin nSOIC
V
3
4
NC
IN
3
4
V
6
5
GND
GND
OUT
5
NC
V
OUT
ADJ/BYP
Note: The bottom exposed pad for the SPX3819
DFN package is connected to GND.
V
ADJ/BYP
4
OUT
5
SPX3819
5 Pin SOT-23
1
IN
2
GND
3
EN
V
July 2008 Rev F
SPX3819 500mA, Low Noise LDO Voltage Regulator
© 2008 Exar Corporation
8
EXAR [ EXAR CORPORATION ]
