MIC5208 Datasheet, PDF (4/6 Pages) Micrel Semiconductor – Dual 50mA LDO Voltage Regulator Preliminary Information

MIC5208
Typical Characteristics
1000
Dropout Voltage
vs. Output Current
C_IN = 10µF
C_OUT = 1µF
100
10
1
0.01 0.1
1
10 100
OUTPUT CURRENT (mA)
Ground Current
vs. Output Current
2000
1500
1000
500
V_IN = V_OUT + 1V
0
0 10 20 30 40 50 60 70 80
OUTPUT CURRENT (mA)
Output Voltage
vs. Output Current
4.0
3.5
3.0
2.5 _{CIN = 10µF}
2.0 ^C_OUT ^{= 1µF}
1.5
1.0
0.5
0.0
0
50 100 150 200
OUTPUT CURRENT (mA)
Output Voltage
vs. Temperature
4.0
3.8
C_IN = 10µF
C_OUT = 1µF
3.6
3.4
3.2
3.0
3 DEVICES
HI / AVG / LO
2.8
2.6
CURVES APPLICABLE
AT 100µA AND 50mA
2.4
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
1997
Dropout Voltage
vs. Temperature
400
C_IN = 10µF
300 ^{COUT = 1µF}
I_L = 50mA
200
100 _{IL = 1mA}
I_L = 100µA
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
Ground Current
vs. Supply Voltage
2.0
I_L = 50mA
1.5
I_L = 100µA
1.0
V_OUT = 3.3V
0.5
0.0
01234567
SUPPLY VOLTAGE (V)
Short Circuit Current
vs. Input Voltage
160
140
120
100
80
60
40
C_IN = 10µF
C_OUT = 1µF
20
0
01234567
INPUT VOLTAGE (V)
Short Circuit Current
vs. Temperature
200
180
160
C_IN = 10µF
140
C_OUT = 1µF
120
100
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
3-171
Micrel
Dropout Characteristics
(MIC5208-3.3)
4
3 I_L = 100µA
2
I_L = 50mA
1
C_IN = 10µF
C_OUT = 1µF
0
01234567
SUPPLY VOLTAGE (V)
Ground Current
vs. Temperature
3.0
2.5 ^{CIN = 10µF}
C_OUT = 1µF
2.0
3
1.5
1.0
I_L = 50mA
0.5
I_L = 100µA
0.0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
Thermal Regulation
(MIC5208-3.3)
60
40
20
0
-20
-40
1-060
50
0
-50
-2
C_L = 1µF
0 2 4 6 8 10 12 14 16
TIME (ms)
Minimum Supply Voltage
vs. Temperature
3.5
I_L = 1mA
VOUT = 3.3V
3.4
C_IN = 10µF
C_OUT = 1µF
3.3
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)