Micrel, Inc.
MIC47053
Typical Characteristics
Output Voltage vs.
Input Voltage
Input Droput Voltage
vs.Temperature
Input Dropout Voltage vs.
Output Current
1.40
1.20
1.00
0.80
0.60
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
IOUT = 500mA
IOUT = 100mA
VBIAS = 3.6V
VOUT = 1.2V
0.40
VBIAS = 5.0V
VOUT = 1.2V
IOUT = 500mA
0.20
VBIAS = 5.0V
VOUT = 1.8V
0.00
0
1
2
3
4
0
100
200
300
400
500
500
500
-40 -20
0
20
40
60
80
100 120
INPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
TEMPERATURE (°C)
Output Voltage vs.
Bias Voltage
Bias Dropout Voltage vs.
Output Current
Bias Dropout Voltage vs.
Temperature
2.20
2.00
1.80
1.60
1.40
1.20
1.00
0.80
0.60
0.40
0.20
1.90
2.00
1.80
1.60
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
1.80
1.70
1.60
1.50
1.40
1.30
1.20
1.10
1.00
0.90
VOUT = 2.0V
VOUT = 2.0V
IOUT = 100mA
VOUT = 1.2V
IOUT = 500mA
VOUT = 1.2V
VIN = 2.5V
VIN = 2.5V
OUT = 500mA
VOUT = 1.2V
VIN = 2.5V
I
2
2.5
3
3.5
4
4.5
5
5.5
0
100
200
300
400
-40
-20
0
20
40
60
80
100 120
BIAS VOLTAGE (V)
OUTPUT CURRENT (mA)
TEMPERATURE (°C)
Bias Current vs.
Temperature
Bias Current vs.
Bias Voltage
Bias Current vs.
Output Current
440
420
400
380
360
340
320
300
280
260
240
350
348
346
344
342
340
338
336
334
332
330
400
380
360
340
320
300
280
260
240
VBIAS = 3.6V
IN = 1.8V
OUT = 1.2V
V
V
VBIAS = 3.6V
VIN = 1.8V
OUT = 1.2V
VIN = 1.8V
IOUT = 1mA
V
0
100
200
300
400
-40 -20
0
20
40
60
80 100 120
3.0
3.5
4.0
4.5
5.0
5.5
BIAS VOLTAGE (V)
OUTPUT CURRENT (mA)
TEMPERATURE ( °C )
M9999-080712-B
August 2012
5