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ELM901F-SERIES Datasheet(PDF) 9 Page - ELM Electronics

Part # ELM901F-SERIES
Description  1A 2x Charge Pump LED Driver
PDF  11 Pages
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Manufacturer  ELM [ELM Electronics]
Direct Link  http://www.elmelectronics.com
Logo ELM - ELM Electronics

ELM901F-SERIES Datasheet(HTML) 9 Page - ELM Electronics

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9
ELM901FxA 1A 2x Charge Pump LED Driver
■Typical characteristics
11 -
2.6 2.8 3 3.2 3.4 3.6 3.8 4 4.2 4.4
10
20
30
40
50
60
70
80
90
100
EFFICIENCY-Vin
Vin (V)
ILED=
200mA
400mA
600mA
800mA
LED = LUMILEDS LXHL-LW3C
200
400
600
800
1000
0.1
0.2
0.3
0.4
0.5
0
Dropout Voltage-Iled
Iled (mA)
0 20 40 60 80 100 120 140 160 180 200
0
100
200
300
400
500
600
700
800
900
1000
Iled-Rset
Rset (k�)
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
0
100
200
300
400
500
600
700
800
900
1000
Iled-Vled
Vled (V)
Iled=800mA
600mA
400mA
200mA
100mA
-40 -20
0
20
40
60
80
0
0.05
0.1
0.15
0.2
0.25
1x Mode Output Resistance - Top
Top (�)
Vin=3.3V
Vin=3.6V
Vin=3.9V
-40 -20
0
20
40
60
80
0
0.5
1
1.5
2
2.5
2x Mode Output Resistance - Top
Top (�)
Vin=3.2V, Vo=4.8V



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