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PAM2841 Datasheet(PDF) 7 Page - Power Analog Micoelectronics

Part # PAM2841
Description  1.5ASW Current, 40V Precision WLED Driver
PDF  14 Pages
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Manufacturer  PAM [Power Analog Micoelectronics]
Direct Link  http://www.poweranalog.com
Logo PAM - Power Analog Micoelectronics

PAM2841 Datasheet(HTML) 7 Page - Power Analog Micoelectronics

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Typical Operating Characteristics
T =25 C,V =5V, unless otherwise noted
ADD
°
.
PAM2841
1.5A SW Current, 40V Precision WLED Driver
7
,
Power Analog Microelectronics Inc
www.poweranalog.com
08/2008 Rev 1.3
11.LED Current VS Duty CycleofPWM
12. LED Current VS Duty Cycle of PWM
f=200Hz
f=100Hz
Theoretic
0
5
10
15
20
25
0%
20%
40%
60%
80%
100%
Duty Cycle of PWM
(PWM@COMP Pin)
10. Frequency VS Temperature
9. Quiescent Current VS Input Voltage
0
20
40
60
80
100
120
140
160
180
200
234
56
Input voltage (V)
1.05
1.06
1.07
1.08
1.09
1.1
1.11
1.12
1.13
0
20
40
60
80
100
120
140
Temperature
(10 LED, I
=20mA)
LED
0
2
4
6
8
10
12
14
16
18
20
0%
20%
40%
60%
80%
100%
Duty Cycle of PWM
f=100HZ
f=200Hz
theoretic
(PWM@EN Pin)



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