mic49200 Micrel Semiconductor, mic49200 Datasheet - Page 8

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

January 2006
0.901
0.900
0.899
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
3
3.5
Reference Voltage
Enble Threshold
vs. Bias Voltage
vs. Temperature
TEMPERATURE (°C)
BIAS VOLTAGE (V)
ON
4
4.5
V
V
C
V
V
V
C
IN
OUT
OUT
IN
OUT
BIAS
OUT
5
OFF
= V
= V
= 1.5V
= 1µF
= 1V
= 1µF
5.5
= 5V
OUT
OUT
+ 1V
6
+ 1V
6.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1.5
0
0
Short Circuit Current
2.5
vs. Input Voltage
vs. Temperature
INPUT VOLTAGE (V)
TEMPERATURE (°C)
Current Limit
3.5
V
V
V
C
IN
OUT
BIAS
OUT
8
4.5
V
V
C
= V
OUT
BIAS
OUT
= 1V
= 1µF
= 5V
OUT
5.5
= 1.5V
= 1µF
= 3.3V
+ 1V
6.5
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
0
2
Enable Threshold
vs. Bias Voltage
vs. Bias Voltage
3
BIAS VOLTAGE (V)
BIAS VOLTAGE (V)
Current Limit
ON
4
V
V
C
V
V
C
IN
OUT
IN
OUT
OUT
OUT
= V
= V
OFF
[phone]
M9999-011306
5
= 1V
= 1.5V
= 1µF
= 1µF
OUT
OUT
+ 1V
+ 1V
6