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MIC2287C View Datasheet(PDF) - Micrel

Part Name
Description
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MIC2287C Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
MIC2287C
Typical Characteristics
100
99
98
97
96
95
94
93
92
91
90
0
Feedback Voltage
vs. Input Voltage
2 4 6 8 10 12
VIN (V)
3 Series LED Efficiency
84
82
80
78
76
74
72
70
0
VIN = 3.0V
VIN = 3.6V
VIN = 4.2V
L = 10H
COUT = 0.22F
5 10 15 20 25
IOUT (mA)
EN Pin Bias Current
vs. Temperature
50
45
40
35
30 IEN = 10V
25
20
15 IEN = 4.2V
10
IEN = 3.6V
5
0
IEN = 3.0V
-50
0
50
100
TEMPERATURE (C)
M0510-020906
Shutdown Current
vs. Input Voltage
5
4
3
2
1
0
0 2 4 6 8 10 12
VIN (V)
6 Series LED Efficiency
84 VIN = 4.2V
82
80
VIN = 3.6V
78
76
VIN = 3.0V
74
72
70
0
L = 10H
COUT = 0.22F
5 10 15 20 25
IOUT (mA)
Saturation Voltage
vs. Temperature
550
500
450
400
350
300
-40
ISW = 500mA
0
40
80 120
TEMPERATURE (C)
Switch Saturation Voltage
vs. Current
600
500
400
VIN = 2.5V
300
200
VIN = 5V
100
0
0
100 200 300 400 500
ISW (mA)
4
Micrel
Quiescent Current
vs. Input Voltage
5
4
3
2
1
0
0 2 4 6 8 10 12
VIN (V)
Switch Frequency
vs. Temperature
1.4
1.2
1
0.8
0.6
0.4
0.2
0
-40 0
40
80 120
TEMPERATURE (C)
Current Limit
vs. Temperature
900
850
800
750
700
650
60-040
VIN = 2.5V
0
40
80 120
TEMPERATURE (C)
February 2006
 

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