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MIC2289 Datasheet(PDF) 4 Page - Micrel Semiconductor

No. de pieza MIC2289
Descripción Electrónicos  2mm 횞 2mm White LED Driver with Internal Schottky Diode and OVP
PDF  9 Pages
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Fabricante Electrónico  MICREL [Micrel Semiconductor]
Página de inicio  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC2289 Datasheet(HTML) 4 Page - Micrel Semiconductor

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Micrel, Inc.
MIC2289
July 2007
4
M9999-071007
Typical Characteristics
90
91
92
93
94
95
96
97
98
99
100
02468
10
12
V
IN (V)
Feedback Voltage
vs. Input Voltage
0
1
2
3
4
5
02468
10
12
V
IN (V)
Shutdown Voltage
vs. Input Voltage
0
1
2
3
4
5
02468
10
12
V
IN (V)
Quiescent Current
vs. Input Current
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
-40 -20
0
20
40 60 80 100
TEMPERATURE (°C)
Switch Frequency
vs. Temperature
0
5
10
15
20
25
30
35
40
45
50
-50
0
50
100
TEMPERATURE (°C)
EN Pin Bias Current
vs. Temperature
I
EN
=4.2V
I
EN
=3.6V
I
EN
=3.0V
I
EN
=10V
0
100
200
300
400
500
600
700
SCHOTTKY FORWARD VOLTAGE DROP (mV)
Schottky Forward
Voltage Drop
0
0.5
1
1.5
2
2.5
30 40 50 60 70 80 90 100
TEMPERATURE (°C)
Schottky Reverse
Leakage Current
V
R =25V
V
R = 10V
V
R = 16V
300
350
400
450
500
550
-40
0
40
80
120
TEMPERATURE (°C)
Saturation Voltage
vs. Temperature
I
SW = 500mA
600
650
700
750
800
850
900
-40
0
40
80
120
TEMPERATURE (°C)
Current Limit
vs. Temperature
V
IN
=2.5V
0
100
200
300
400
500
600
0
100
200
300
400
500
I
SW (mA)
Switch Saturation Voltage
vs. Current
V
IN =2.5V
V
IN =5V



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