50/100mA SOT-23 CMOS RF LDO™ Regulators
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise specified TA T=25°C, VIN =VOUT(NOM), + 1V, ON/OFF pin tied to VIN
Characterization at output currents above 50mA applies to ILC7081
Output Voltage vs Temperature
Dropout Characteristics
Dropout Characteristics
3.015
3.4
VOUT = 3.0V
VOUT = 3.3V
0.47µF (Ceramic)
COUT = 1µF (Ceramic)
0.47µF (Ceramic)
COUT = 1µF (C eram ic)
3.01
3.005
3
IOUT = 0mA
IOUT = 10mA
IOUT = 50mA
3.3
3.2
3.1
7081 only
2.995
2.99
IOUT = 100mA
IOUT = 150mA
2.985
3
-50
0
50
Temperature (°C)
100
150
3
3.2
3.4
3.6
VIN (V)
Dropout Voltage vs IOU T
Dropout Voltage vs Temperature
IOUT = 150mA
250
200
150
100
50
250
200
150
100
VOUT = 3.0V
VOUT = 3.0V
TA = 85°C
TA = 25°C
IOUT = 100mA
IOUT = 50mA
TA = –40°C
50
0
IOUT = 0mA
0
0
50
100
150
–40
25
85
Output Current (mA)
Temperature (°C)
Ground Current vs Input Voltage
Line Transient Response
Line Transient Response
150
6
5
VOUT = 3.0 V
0.47µF (Ceramic)
VIN: tr/tf < 1 µs
VOUT = 3.0V
COUT = 2.2 µF (Ceramic)
IOUT = 10mA
COUT = 1µF (Ceramic)
IOUT = 50mA
125
100
75
IOUT = 150mA
IOUT = 100 mA
IOUT = 0mA
4
3.01
3.00
2.99
2.98
IOUT = 100mA
50
2
4
6
8
10
12
14
5µs/div
VIN (V)
Impala Linear Corporation
ILC7080/81 1.1
www.impalalinear.com
(408) 574-3939
Sept. 1998
11
IMPALA [ Impala Linear Corporation ]
