LITEMAX SSD1505 V2, User Manual

Page: 15 / 35

LITE MAX Electronics Inc. Page 15
LED Driving Board Specifications
This specification is applied to LED converter unit for LED backlight.
6.1 Operating Characteristics
Item
Symbol Conditions MIN. TYP. MAX. Unit Remark
Input Voltage Vin 10.0 12.0 14.0 V
Input Current
(Low Brightness)
IinL VIN=12V,Vadj=5V 0.0 - - mA
Input Current
(High Brightness)
IinH VIN=12V,Vadj=0V 0.56 0.49 0.44 A 1
LED Current
(Low Brightness)
IoutL VIN=12V,Vadj=5V 0.0 - -
Arms
LED Current
(High Brightness)
IoutH VIN=12V,Vadj=0V 0.3 0.31 0.32 A
Working Frequency Freq VIN=12V,Vadj=0V 230 235 240 KHz
Brightness Control Vadj Connect to Voltage 0.2 4.8 V Vadj
±
5%
ON/OFF Control
Von Normal Operation 2 - 5 V
Voff Normal Operation 0 - 0.8 V
Output Voltage Vout VIN=12V,Vadj=0V 16.8 17.2 17.6 V
Efficiency
η
VIN=12V,Vadj=0V 89.5 90.3 90.8 % (2)
Remark:
(1) this data is based on the testing result of practical input voltage, Iin is measured by
related Vin.(min, typ, max)
(2)
η
max
= V
out(max)
*I
outH(max)
/V
in(max)
*I
inH(min)
η
min
= V
out(min)
*I
outH (min)
/V
in(min)
*I
inH(max)