Advance
Micropower dual 150mA CMOS RF LDO™ Regulators with 75dB Ripple Rejection
Pin-Package Configurations
VINA
ENA
VOUTA
8
7
6
5
1
2
3
4
GND
VOUTB
VINB
ENB
CNOISE(optional)
MSOP
(TOP VIEW)
ILC7280CS-XXXX
Pin Functions ILC7280
Pin Number
Pin Name
VOUTA
Pin Description
1
2
3
4
Regulator Output A
Ground
GND
VOUTB
Regulator Output B
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.
CNOISE (optional)
Enable/Shutdown B (input): CMOS compatible input. Logic high = enable, logic low or
open = shutdown. Do not leave floating.
5
ENB
6
7
8
VINB
ENA
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.
VINA
Supply Input A (Internally connected to pin 6)* Galvanic connection only.
*If maximum current required from each regulator then connect both pin 6 and pin 8 to VDD
Impala Linear Corporation
ILC7280 1.8
www.impalalinear.com
(408) 574-3939
May 2000
2
IMPALA [ Impala Linear Corporation ]
