MIC2207 Datasheet, PDF (5/21 Pages) Micrel Semiconductor – 3mmx3mm 2MHz 3A PWM Buck Regulator

Micrel
Typical Characteristics cont.
SUPPLY VOLTAGE (V)
Feedback Voltage
vs. Supply Voltage
1.2
1
0.8
0.6
0.4
0.2
V =V
EN IN
00 _{1 2 3 4 5}
SUPPLY VOLTAGE (V)
R
DSON
160
vs. Temperature
140
120
100
80
60
40
20 _3.3V
IN
0
TEMPERATURE (°C)
Max. Continuous Output
vs. Ambient Temp. 3.3V *
3.5
OUT
5V
IN
3.0
2.5
2.0
1.5
1.0 *Using Recommended
Layout (1oz. Copper
0.5 _and
B.O.M.
0
60 70 80 90 100 110 120
AMBIENT TEMPERATURE (°C)
1.010
Feedback Voltage
vs. Temperature
1.008
1.006
1.004
1.002
1.000
0.998
0.996
0.994
0.992 V = 3.3V
IN
0.990
TEMPERATURE (°C)
Quiescent Current
vs. Supply Voltage
900
800
700
600
500
400
300
200
100
00
V =V
EN IN
12345
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)
Max Continuous Current
vs. Ambient Temp. 2.5V *
3.5
OUT
3
2.5 _3.3V
IN
2
5V
IN
1.5
1
0.5
*Using recommended
layout (1oz. copper) and
0 ^B.O.M.
60 70 80 90 100 110 120
AMBIENT TEMPERATURE (°C)
April 2005
5
MIC2207
2.500
Frequency
vs. Temperature
2.400
2.300
2.200
2.100
2.000
1.900
1.800
1.700
1.600 V = 3.3V
IN
1.500
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
3.3V
IN
0
TEMPERATURE (°C)
Max Continuous Current
vs. Ambient Temp. 1.8V *
3.5
OUT
3
5V
IN
2.5 3.3V
IN
2
1.5
1
0.5
*Using recommended
layout (1oz. copper) and
0 ^B.O.M.
60 70 80 90 100 110 120
AMBIENT TEMPERATURE (°C)
M9999-040705
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