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MIC4812 Datasheet(PDF) 4 Page - Micrel Semiconductor

Part # MIC4812
Description  High Current 6 Channel Linear WLED Driver with DAM??and Ultra Fast PWM??Control
PDF  12 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC4812 Datasheet(HTML) 4 Page - Micrel Semiconductor

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Micrel Inc.
MIC4812
April 2011
4
M9999-041419-B
Typical Characteristics
Average Current
vs. Duty Cycle
0
10
20
30
40
50
60
70
80
90
100
0
2040
6080
100
DUTY CYCLE (% )
Single Channel Current
vs. RSET
1
10
100
1000
1
10
100
1000
RSET (kΩ)
Single Channel Dropout
vs. LED Current
0
100
200
300
400
500
600
700
800
900
0
100
200
300
400
500
LED CURRENT (mA)
Dropout Voltage
vs. Temperature
150
175
200
225
250
275
-40 -20 0
2040 6080 10
0
12
0
14
0
TEMPERATURE (°C)
RSET =
Average Current Matching
vs. Temperature
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
-40 -20 0
20 40 60 80 100 120 140
TEMPERATURE (°C)
RSET = 8.25kΩ
LED Current
vs. Temperature
95
96
97
98
99
100
101
102
103
104
105
-40 -20 0
20406080 10
0
12
0
14
0
TEMPERATURE (°C)
LED1
LED5
LED3
LED2
LED4
LED6
RSET = 8.25kΩ
Peak ILED
vs. Input Voltage
98
99
100
101
102
103
104
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE(V)
LED1
LED2
LED3
LED4
LED5
LED6
RSET = 8.25kΩ



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