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