Micropower dual 150mA CMOS RF LDO™ Regulators with 75dB Ripple Rejection
Advance
Pin-Package Configurations
V
OUTA
GND
V
OUTB
C
NOISE(optional)
1
2
3
4
8
7
6
5
V
INA
EN
A
V
INB
EN
B
MSOP
(TOP VIEW)
ILC7280CS-XXXX
Pin Functions ILC7280
Pin Number
1
2
3
4
Pin Name
V
OUTA
GND
V
OUTB
Regulator Output A
Ground
Regulator Output B
Pin Description
C
NOISE (optional)
Voltage Reference Bypass: Connect external 22pF capacitor to GND to minimize
output noise in regulator “A” or “B.” May be left open. Do not ground.
EN
B
V
INB
EN
A
V
INA
Enable/Shutdown B (input): CMOS compatible input. Logic high = enable, logic low or
open = shutdown. Do not leave floating.
Supply Input B (Internally connected to pin 8)
*
Enable/Shutdown A (Input): CMOS compatible input. Logic high = enable, logic low or
open = shutdown. Do not leave floating.
Supply Input A (Internally connected to pin 6)
*
Galvanic connection only.
5
6
7
8
*
If maximum current required from each regulator then connect both pin 6 and pin 8 to V
DD
Impala Linear Corporation
ILC7280 1.8
(408) 574-3939
www.impalalinear.com
May 2000
2
IMPALA [ Impala Linear Corporation ]
