MIC4720 Datasheet, PDF (6/21 Pages) Micrel Semiconductor – 3mm x 3mm 2.0MHz 2A Integrated Switch Buck Regulator

Micrel, Inc.
Typical Characteristics (cont.)
1.010
Feedback Voltage
vs. Temperature
1.008
1.006
1.004
1.002
1.000
0.998
0.996
0.994
0.992 _{VIN = 3.3V}
0.990
20 40 60 80
TEMPERATURE (°C)
Quiescent Current
vs. Supply Voltage
800
700
600
500
400
300
200
100
00
V_EN = V_IN
123456
SUPPLY VOLTAGE (V)
Enable Threshold
vs. Supply Voltage
1.2
1.0
0.8
0.6
0.4
0.2
20.7 3.2 3.7 4.2 4.7
SUPPLY VOLTAGE (V)
Frequency
vs. Temperature
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6 _{VIN = 3.3V}
1.5
20 40 60 80
TEMPERATURE (°C)
120
115
110
105
100
95
90
85
80
75
720.7
R_DSON
vs. Supply Voltage
3.2 3.7 4.2 4.7 5.2
SUPPLY VOLTAGE (V)
Enable Threshold
vs. Temperature
1.2
1.0
0.8
0.6
0.4
0.2
V_IN = 3.3V
0
20 40 60 80
TEMPERATURE (°C)
MIC4720
Feedback Voltage
vs. Supply Voltage
1.2
1.0
0.8
0.6
0.4
0.2
V_EN = V_IN
00 _{1 2 3 4 5}
SUPPLY VOLTAGE (V)
R_DSON
vs. Temperature
160
140
120
100
80
60
40
20
V_IN = 3.3V
0
20 40 60 80
TEMPERATURE (°C)
May 2007
6
M9999-051707