mic4724 Micrel Semiconductor, mic4724 Datasheet - Page 5

• Manufacturer Part Number: mic4724
• Description: 3a 2mhz Integrated Switch Buck Regulator With 6vmax Input
• Manufacturer: Micrel Semiconductor

Typical Characteristics (continue)
Micrel, Inc.
June 2008
1.0010
1.0008
1.0006
1.0004
1.0002
1.0000
0.9998
0.9996
0.9994
0.9992
0.9990
160
140
120
100
1.2
1.0
0.8
0.6
0.4
0.2
80
60
40
20
2.7
0
0
0
V
V
EN
IN
SUPPLY VOLTAGE (V)
vs. Supply Voltage
3.2
SUPPLY VOLTAGE (V)
= 3.3V
Feedback Voltage
1
= V
TEMPERATURE (°C)
vs. Temperature
Line Regulation
IN
3.7
20 40 60 80
2
R
DSON
4.2
3
4.7
4
5.2
5
1.010
1.008
1.006
1.004
1.002
1.000
0.998
0.996
0.994
0.992
0.990
800
700
600
500
400
300
200
100
1.2
1.0
0.8
0.6
0.4
0.2
3.5
2.5
1.5
0.5
2.7
0
0
3
2
1
0
0
0
Thermal De-Rating Curves
V
V
AMBIENT TEMPERATURE (°C)
IN
IN
V
SUPPLY VOLTAGE (V)
20
vs. Supply Voltage
= 5.4V
1
vs. Supply Voltage
= 3.3V
Quiescent Current
SUPPLY VOLTAGE (V)
Feedback Voltage
Enable Threshold
OUT
3.2
vs. Temperature
TEMPERATURE (°C)
= 3.3V
40
2
20 40 60 80
5
3.7
60
3
V
OUT
4.2
80
4
V
EN
= 1.2V
100 120
= V
5
4.7
IN
6
120
115
110
105
100
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.2
0.8
0.6
0.4
0.2
1.0
95
90
85
80
75
70
2.7
0
V
V
IN
IN
SUPPLY VOLTAGE (V)
3.2
vs. Supply Voltage
= 3.3V
= 3.3V
Enable Threshold
TEMPERATURE (°C)
TEMPERATURE (°C)
vs. Temperature
vs. Temperature
Frequency
3.7
20 40 60 80
20 40 60 80
R
DSON
4.2
M9999-062408-A
4.7
MIC4724
5.2