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PAM2842 датащи(PDF) 8 Page - Power Analog Micoelectronics

номер детали PAM2842
подробное описание детали  High Power LED Driver
PDF  17 Pages
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производитель  PAM [Power Analog Micoelectronics]
домашняя страница  http://www.poweranalog.com
Logo PAM - Power Analog Micoelectronics

PAM2842 датащи(HTML) 8 Page - Power Analog Micoelectronics

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8
,
Power Analog Microelectronics Inc
PAM2842
High Power LED Driver
Typical Performance Characteristic
Boost mode, V =V =24V, 3W LED, Fsw=200kHz, T =25
unless otherwise noted
EN
DD
A
.
°C,
www.poweranalog.com
1.
Input Voltage
(Po=30W, 10X3W LEDs)
Efficiency vs
2. Shutdown Current vs Input Voltage
3. Quiescent Current vs Input Voltage
09/2008 Rev 1.1
0
1
2
3
4
5
6
0
5
10
15
20
25
30
35
Input Voltage (V)
93%
94%
95%
96%
97%
98%
10
15
20
25
30
Input Voltage (V)
4. Output Current vs Input Voltage
(10X3W LEDs)
0
100
200
300
400
500
600
700
800
10
15
20
25
30
Input Voltage (V)
Low side Current sense
High side Current sense
0.6
0.8
1
1.2
1.4
1.6
1.8
0
5
10
15
20
25
30
35
Input Voltage (V)
Switching
No Switching
5. Output Current vs Temperature
(V =12V, Load=10X3W LEDs)
IN
400
450
500
550
600
650
700
750
800
0
2040
6080
100
Ambient Temperature (
℃)



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