Micrel, Inc.
MIC47050
Typical Characteristics
Output Voltage vs.
Input Voltage
2.0
1.8
DROPOUT VOLTAGE (mV)
OUTPUT VOLTAGE (V)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
1
2
INPUT VOLTAGE (V)
V
BIAS
= 5.0V
V
OUT
= 1.8V
I
OUT
= 500mA
3
4
50
45
Input Dropout Voltage vs.
Output Current
70
DROPOUT VOLTAGE (mV)
60
50
40
30
20
10
0
0
100
200
300
400
500
Input Dropout Voltage vs.
Temperature
I
OUT
= 500mA
40
35
30
25
20
15
10
5
0
OUTPUT CURRENT (mA)
V
BIAS
= 5.0V
V
OUT
= 1.2V
V
BIAS
= 3.6V
V
OUT
= 1.2V
I
OUT
= 100mA
-40
-20
0
20
40
60
80
100 120
TEMPERATURE (°C)
Output Voltage vs.
Bias Voltage
2.2
2.0
OUTPUT VOLTAGE (V)
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
2
3
4
BIAS VOLTAGE (V)
V
IN
= 2.5V
V
OUT
= 1.8V
5
I
OUT
= 500mA
I
OUT
= 100mA
Bias Dropout Voltage vs.
Output Current
2.0
1.8
DROPOUT VOLTAGE (V)
DROPOUT VOLTAGE (V)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
100
200
300
400
500
OUTPUT CURRENT (mA)
V
IN
= 2.5V
V
OUT
= 1.2V
V
OUT
= 2.0V
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
-40
Bias Dropout Voltage vs.
Temperature
V
OUT
= 2.0V
V
OUT
= 1.2V
V
IN
= 2.5V
I
OUT
= 500mA
-20
0
20
40
60
80
100 120
TEMPERATURE (°C)
Bias Current vs.
Bias Voltage
440
420
BIAS CURRENT (µA)
BIAS CURRENT (µA)
400
380
360
340
320
300
280
260
240
3
3.5
4
4.5
5
5.5
BIAS VOLTAGE (V)
V
IN
= 1.8V
I
OUT
= 1mA
340
338
336
Bias Current vs.
Output Current
400
380
BIAS CURRENT (µA)
360
340
320
300
280
260
240
0
100
200
300
400
500
-40
-20
Bias Current vs.
Temperature
334
332
330
328
326
324
322
320
OUTPUT CURRENT (mA)
V
BIAS
= 3.6V
V
IN
= 1.8V
V
OUT
= 1.2V
V
BIAS
= 3.6V
V
IN
= 1.8V
V
OUT
= 1.2V
0
20
40
60
80
100 120
TEMPERATURE (°C)
April 2012
6
M9999-040312-B
MICREL [ MICREL SEMICONDUCTOR ]
