150mA SOT-23 Ultra Low Noise CMOS RF-LDO™ Regulator
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise specified T
A
T=25°C, V
IN
=V
OUT(NOM)
, + 1V, ON/OFF pin tied to V
IN
Load Transient Response
3.15
Short Circuit Current
V
IN
= 4V
1.5
1.0
Output Shorted to Gnd
at time, t = 0
Thermal Cycling
V
OU T
(V)
3.10
3.05
3.00
2.95
V
OUT
= 3.0V
C
O UT
= 1 µF || 0.47 µF (Ceramic)
I
SC
(A)
100µs/div
I
OUT
(mA)
0.5
100
1
0
t=0
5ms/div
On/Off Transient Response
On/Off Transient Response
V
ON/OFF
(V)
V
OU T
= 2.8V
I
O U T
= 10mA
C
O U T
= 1µF
V
ON/OFF
(V)
15
10
5
0
3
Without C
NO IS E
Capacitor
15
10
5
0
3
V
O U T
= 2.8V
I
O U T
= 150mA Without C
NO IS E
Capacitor
C
O U T
= 1µF
V
OUT
(V)
1
0
V
OUT
(V)
100µS/div
2
2
1
0
100µS/div
On/Off Transient Response
V
ON /OF F
(V)
V
OU T
= 2.8V
I
OU T
= 10mA
C
NO ISE
= 0.01µF, C
OU T
= 1µF
On/Off Transient Response
V
ON /OF F
(V)
15
10
5
0
3
V
O UT
= 2.8V
I
O U T
= 150mA
C
N OIS E
= 0.01µF, C
O UT
= 1µF
15
10
5
0
3
V
OUT
(V)
1
0
V
OUT
(V)
5mS/div
2
2
1
0
5mS/div
Impala Linear Corporation
ILC7082 1.3
(408) 574-3939
www.impalalinear.com
April 1999
12
IMPALA [ Impala Linear Corporation ]
