MIC2290 データシートの表示（PDF） - Micrel
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MIC2290 Datasheet PDF : 13 Pages
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Micrel, Inc.
Typical Characteristics
Efficiency at VOUT = 12V
90
85
VIN = 4.2V
80
75
70 VIN = 3.6V
65
60
VIN = 3.3V
55
500
25 50 75 100
OUTPUT CURRENT (mA)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
02.5
Current Limit
vs. Supply Voltage
4 5.5 7 8.5 10
SUPPLY VOLTAGE (V)
October 2007
Switch Saturation Voltage
vs. Temperature
700
600
500
400
300
200
VIN = 3.6V
100
I = 500mA
SW
0-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Maximum Duty Cycle
vs. Temperature
99
97
95
93
91
89
87
VIN = 3.6V
85-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
4
MIC2290
Frequency
vs. Temperature
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
FB Pin Current
vs. Temperature
700
600
500
400
300
200
100
0-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
M9999-101907
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