mic49200 Micrel Semiconductor, mic49200 Datasheet - Page 6

• Manufacturer Part Number: mic49200
• Description: Mic49200 2a Low Voltage Ldo With Dual Input Voltages
• Manufacturer: Micrel Semiconductor

January 2006
Typical Characteristics
1.80
1.75
1.70
1.65
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
120
100
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
Power Supply Rejection Ratio
80
60
40
20
0.01
0
1
0
0
0
10mA
V
V
V
C
Dropout Characteristics
IN
OUT
BIAS
OUT
OUTPUT CURRENT (mA)
1
= V
0.1
INPUT VOLTAGE (V)
FREQUENCY (kHz)
Dropout Voltage
vs. Temperature
TEMPERATURE (°C)
Output Voltage
(Input Supply)
= 1.5V
= 1µF
= 4V
(Input Supply)
(Bias Supply)
OUT
2
2A
1
+ 1V
3
V
V
V
C
V
V
V
100mA
IN
OUT
BIAS
1200 1600 2000
OUT
IN
OUT
BIAS
10
= V
V
V
C
4
= V
BIAS
OUT
OUT
= 1.5V
= 1µF
= 5V
= 1.5V
= 5V
OUT
OUT
2A
100 1,000
5
= 1.5V
= 1µF
= 5V
+ 1V
+ 1V
6
550
500
450
400
350
300
250
200
150
100
300
250
200
150
100
1.6
1.4
1.2
0.8
0.6
0.4
0.2
1.0
80
60
40
20
50
50
Power Supply Rejection Ratio
0.01
0
0
0
0
0
3
V
V
V
C
I
I
OUT
OUT
Dropout Characteristics
IN
OUT
BIAS
OUT
Maximum Bias Current
3.5 4.0 4.5 5.0 5.5 6.0 6.5
I
OUT
1
= V
0.1
10mA
= 2A
= 1A
Dropout Voltage
vs. Temperature
vs. Bias Voltage
FREQUENCY (kHz)
= 1.5V
= 1µF
BIAS VOLTAGE (V)
= 4V
TEMPERATURE (°C)
BIAS VOLTAGE (V)
(Bias Supply)
(Input Supply)
OUT
(Bias Supply)
= 2A
2
+ 1V
1
I
OUT
3
V
V
C
V
V
I
C
V
OUT
V
V
V
C
2A
IN
OUT
IN
OUT
ADJ
OUT
OUT
6
IN
OUT
BIAS
2A
OUT
10
= 100mA
= V
= V
4
= V
= 2A
= 0V
= 1.5V
= 1µF
= 1.5V
= 1µF
= 1.5V
= 1µF
= 5V
OUT
OUT
OUT
100
5
+ 1V
+ 1V
+1V
6
1,000
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.52
1.51
1.50
1.49
1.48
1.47
1.46
450
400
350
300
250
200
150
100
300
250
200
150
100
0
50
50
0
0
V
V
V
C
I
OUT
IN
OUT
BIAS
OUT
Maximum Bias Current
= V
= 2A
Dropout Voltage
vs. Temperature
OUTPUT CURRENT (mA)
TEMPERATURE (°C)
= 1.5V
= 1µF
= 5V
OUTPUT CURRENT (A)
(Bias Supply)
Dropout Voltage
OUT
Load Regulation
vs. Temperature
TEMPERATURE (°C)
(Input Supply)
I
OUT
+1V
I
BIAS
= 1A
V
V
V
C
V
V
V
V
C
V
V
V
C
I
IN
OUT
BIAS
OUT
ADJ
OUT
IN
OUT
BIAS
IN
OUT
BIAS
OUT
OUT
1200 1600 2000
= V
= V
= V
[phone]
= 0V
= 1.5V
M9999-011306
= 1µF
= 5V
= 100mA
= 1.5V
= 1.5V
= 1µF
= 1µF
= 5V
= 5V
OUT
OUT
OUT
+1V
+ 1V
+ 1V