MIC49150_06 Datasheet, PDF (5/13 Pages) Micrel Semiconductor – 1.5A Low Voltage LDO Regulator w/Dual Input Voltages

Micrel, Inc.
Typical Characteristics (cont.)
Bias Current
vs. Output Current
50
V_BIAS = 5V
40
V_IN = 2.5V
V_OUT = 1.5V
30
I_BIAS
20
10
0
OUTPUT CURRENT (mA)
Bias Current
vs. Bias Voltage
50
I_OUT = 750mA
40
V_IN = 2.5V
V_OUT = 1.5V
30
I_BIAS
20
10
0
3 3.5 4 4.5 5 5.5 6 6.5
BIAS VOLTAGE (V)
Bias Current
vs. Input Voltage
300
V_BIAS = 5V
250 V_OUT = 1.5V
1500mA
200
750mA
150
100
50
0
0 0.5 1 1.5 2 2.5
INPUT VOLTAGE (V)
Output Voltage
vs. Temperature
1.55
1.54 ^VBIAS ^{= 5V}
1.53 ^{VIN = 2.5V}
1.52
1.51
1.50
1.49
1.48
1.47
1.46
1.45
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Ground Current
vs. Bias Voltage
14
12
10
8
6
4
I_OUT = 0mA
V_IN = 2.5V
2
V_OUT = 1.5V
0
3 3.5 4 4.5 5 5.5 6 6.5
BIAS VOLTAGE (V)
Bias Current
vs. Bias Voltage
50
40
I_BIAS
30
20
I_OUT = 1500mA
10
V_IN = 2.5V
V_OUT = 1.5V
0
3 3.5 4 4.5 5 5.5 6 6.5
BIAS VOLTAGE (V)
0.901
Reference Voltage
vs. Input Voltage
V_BIAS = 5V
0.900
0.899
1.4 2.4 3.4 4.4 5.4 6.4
INPUT VOLTAGE (V)
Short Circuit Current
vs. Temperature
3.0
2.5
2.0
1.5
1.0
V_BIAS = 5V
0.5
V_IN = 2.5V
V_OUT = 0V
0-40 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
November 2006
5
MIC49150
Bias Current
vs. Bias Voltage
14
I_BIAS
12
10
8
6
4
I_OUT = 100mA
V_IN = 2.5V
2
V_OUT = 1.5V
0
3 3.5 4 4.5 5 5.5 6 6.5
BIAS VOLTAGE (V)
Bias Current
vs. Input Voltage
20
18 ^VBIAS ^{= 5V}
16 ^VOUT ^{= 1.5V}
14
I = 100mA
OUT
12
10
8
I = 0mA
OUT
6
4
2
0
0 0.5 1 1.5 2 2.5
INPUT VOLTAGE (V)
0.901
Reference Voltage
vs. Bias Voltage
V_IN = 2.5V
0.900
0.899
3 3.5 4 4.5 5 5.5 6 6.5
BIAS VOLTAGE (V)
Enable Threshold
vs. Bias Voltage
1.6
1.4
ON
1.2
1.0
OFF
0.8
0.6
0.4
0.2
V_IN = 2.5V
03 _{3.5 4 4.5 5 5.5 6 6.5}
BIAS VOLTAGE (V)
M9999-111306