MIC4720 Micrel Semiconductor, MIC4720 Datasheet - Page 6

• Manufacturer Part Number: MIC4720
• Description: 2A Integrated Switch Buck Regulator
• Manufacturer: Micrel Semiconductor

Typical Characteristics (cont.)
Micrel, Inc.
May 2007
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
2.7
0
0
0
V
IN
SUPPLY VOLTAGE (V)
vs. Supply Voltage
1
vs. Supply Voltage
= 3.3V
Quiescent Current
SUPPLY VOLTAGE (V)
Feedback Voltage
Enable Threshold
3.2
TEMPERATURE (°C)
vs. Temperature
2
20 40 60 80
3.7
3
4.2
4
V
EN
= 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)
vs. Temperature
vs. Temperature
TEMPERATURE (°C)
Frequency
3.7
20 40 60 80
20 40 60 80
R
DSON
6
4.2
4.7
5.2
160
140
120
100
1.2
1.0
0.8
0.6
0.4
0.2
80
60
40
20
0
0
0
V
V
EN
IN
vs. Supply Voltage
SUPPLY VOLTAGE (V)
1
= 3.3V
Feedback Voltage
= V
TEMPERATURE (°C)
vs. Temperature
IN
2
20 40 60 80
R
DSON
3
M9999-051707
4
MIC4720
5