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看到許多朋友討論LED背光的事情,奉獻一LED背光電源板


2. Electronic characteristic
   1.1 Temperature & Humidity
Operating:-10℃ to +45℃
Storage: -20℃ to +80℃
OPERATING & STORAGE HUMIDITY :10%~85%

   1.2 IN PUT

INPUT ITEM MIN TYPICAL MAX UNIT REMARK
VOLTAGE 18 24 26 VDC
CURRENT --- --- A
ON/OFF 3.5 4 5.0 VDC 0-2.8V  OFF
BL(R,G,B) 20% --- 100% PWM DUTY PWM frequency=200-250HZ
VPP=4.5-5.0V MAX

   1.3 OUT PUT   

OUTPUT ITEM MIN TYPICAL MAX UNIT REMARK
CURRENT 100 342 360 mA DC
RIPPLE --- 150 500 mV
EFFICIENCY 75 80 ---- %


1.4 PROTECTION
14.1 OVER VOLTAGE PROTECTION-
14.2 OPVER CURRENT PROTECTION  ---365mA max
  14.3 SHORT CIRCUIT PROTECTION PASS
2. Connection Description

2.1 IN PUT CDONNECTION  :CN1

PIN NO SYMBOL DESCRIPTION REMARK
1,2,3,4 VCC 24V  DC IN
5,6,7,8 GND       POWER GROUND
9 ON/OOFF Power ON/OFF CONTROL
10 RBL RED brightness  control
11 GBL GREEN brightness  control
12 BBL BLUE brightness  control

   2.2 OUT PUT CDONNECTION
CN101-----CNB01
  
PIN NO SYMBOL DESCRIPTION REMARK
1 VO TO LED ANODE
2 RETURN       TO LED NEGATIVE


LOCATION LED COLOUR LED TOTAL VOLTAGE REMARK
CN101 R  LED 18 25-45V 100mA-350mA
CN201 G  LED 18 25-65V 100mA-350mA
CN301 G  LED 18 25-65V 100mA-350mA
CN401 B  LED 18 25-65V 100mA-350mA
CN501 R  LED 18 25-45V 100mA-350mA
CN601 G  LED 18 25-65V 100mA-350mA
CN701 G  LED 18 25-65V 100mA-350mA
CN801 B  LED 18 25-65V 100mA-350mA
CNA01 R  LED 10 10-24V 100mA-350mA
CN901 G  LED 18 25-65V 100mA-350mA
CNB01 B  LED 10 25-36V 100mA-350mA
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