CALIFORNIA MICRO DEVICES
Preliminary
CM3019
Typical DC Characteristics (nominal conditions unless specified otherwise)
Nominal Conditions: C
IN
= 1µF, C
OUT
= 2.2µF, No C
BYP
, V
IN
= 4.0V, Load = 5mA (all plots measured with 3.0V V
OUT
)
Load Regulation
3.10
OUTPUT VOLTAGE [V]
Dropout Voltage (V
OUT
=2.9V)
800
700
OUTPUT VOLTAGE [V]
Foldback Current Limiting
4.0
3.05
600
DROPOUT [V]
500
400
300
200
100
3.0
3.00
2.0
2.95
1.0
2.90
0
100
200
300
400
500
600
700
LOAD CURRENT [m A]
0
0
200
400
LOAD [mA]
600
0.0
0 100 200 300 400 500 600 700 800 900
LOAD CURRENT [mA]
Line Regulation
3.10
Line Regulation
4.0
OOUTPUT VOLTAGE [V]
Enable Voltage Threshold
1000
900
800
700
600
500
OUTPUT VOLTAGE [V]
3.05
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
1
2
3
4
5
6
2
3
4
5
6
SUPPLY VOLTAGE [V]
7
1mA Load
3.00
2.95
2.90
2.85
2.80
2.8
3.2
3.6 4.0 4.4 4.8 5.2
INPUT VOLTAGE [V
]
5.6
6.0
1mA Load
500mA Load
INPUT VOLTAGE [V]
Supply Current vs. Voltage (EN = V
IN
)
200
180
160
140
120
100
80
60
40
20
0
0
En = Vin
GROUND CURRENT [uA]
Ground Current vs. Output Load
OUTPUT SUPPLY CURRENT [nA]
THRESHOLD [mV]
Output Supply Current vs. Voltage
2500
2000
1500
1000
Vin = 0V, EN = 0V
500
0
0
1
2
3
4
5
6
OUTPUT SUPPLY VOLTAGE [V]
200
GROUND CURRENT [uA]
175
150
1mA Load
125
100
1
2
3
4
5
6
0
100 200 300 400 500 600 700 800
LOAD CURRENT [mA]
INPUT VOLTAGE [V]
© 2004 California Micro Devices Corp. All rights reserved
02/20/04
430 N. McCarthy Blvd, Milpitas, California 95035
Tel: (408) 263-3214
Fax: (408) 263-7846
www.calmicro.com
4
CALMIRCO [ CALIFORNIA MICRO DEVICES CORP ]
