MIC4723 Micrel Semiconductor, MIC4723 Datasheet - Page 5

• Manufacturer Part Number: MIC4723
• Description: Integrated Switch Buck Regulator
• Manufacturer: Micrel Semiconductor

Typical Characteristics (continue)
Micrel, Inc.
May 2007
1.0008
1.0006
1.0004
1.0002
0.9998
0.9996
0.9994
0.9992
1.0010
1.0000
0.9990
160
140
120
100
1.0
1.2
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
1.000
0.990
1.008
1.006
1.004
1.002
0.998
0.996
0.994
0.992
800
700
600
500
400
300
200
100
1.2
1.0
0.8
0.6
0.4
0.2
0
2.7
0
0
V
IN
SUPPLY VOLTAGE (V)
vs. Supply Voltage
1
Quiescent Current
vs. Supply Voltage
= 3.3V
SUPPLY VOLTAGE (V)
Feedback Voltage
Enable Threshold
3.2
vs. Temperature
TEMPERATURE (°C)
2
20 40 60 80
3.7
3
5
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)
TEMPERATURE (°C)
vs. Temperature
vs. Temperature
Frequency
3.7
20 40 60 80
20 40 60 80
R
DSON
4.2
M9999-052307-A
4.7
MIC4723
5.2