MIC2920A Datasheet, PDF (6/9 Pages) Micrel Semiconductor – 400mA Low-Dropout Voltage Regulator

MIC2920A/29201/29202/29204
Typical Characteristics
Dropout Voltage
vs. Output Current
500
400
300
200
100
0
0
100 200 300 400
OUTPUT CURRENT (mA)
Ground Current
vs. Output Current
20
10
1
0.1
1
10
100 400
OUTPUT CURRENT (mA)
Ground Current
vs. Temperature
0.20
0.15
0.10
0.05
I_OUT = 1mA
0.00
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
Fixed 3.3V Output Voltage
vs. Temperature
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
Dropout Voltage
vs. Temperature
700
600
500
400
300
I_LOAD = 400mA
200
100
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
Ground Current
vs. Supply Voltage
200
150
100
V_OUT = 5V
I_OUT = 1mA
50
0
012345678
SUPPLY VOLTAGE (V)
Ground Current
vs. Temperature
3
2
I_LOAD = 100mA
1
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
Short Circuit and Maximum
Current vs. Temperature
700
650
V_OUT = V_NOMINAL – 0.5V
600
V_OUT = 3.3V
550
500
3 SAMPLES
(HI/AVG/LO)
450
400
350
V_OUT = 0V
300
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
3-14
Micrel
Dropout
Characteristics
6
5
4
I_LOAD = 1mA
3
2
I_LOAD = 400mA
1
0
0123456
INPUT VOLTAGE (V)
Ground Current
vs. Supply Voltage
30
25
20
15
10
V_OUT = 5V
5
I_OUT = 400mA
0
0 2 4 6 8 10
INPUT VOLTAGE (V)
Ground Current
vs. Temperature
25
20
I_LOAD = 400mA
15
10
5
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
Ground Current
vs. Supply Voltage
1000
900 _{RLOAD = 100Ω}
800
700
600
500
400
300
200
100
0
-100
-30 -20 -10 0 10 20 30
INPUT VOLTAGE (V)
January 1998