25
Inverter Board
Pin Assignment
Connector 1; Input Connector
14.1” Pin No.
13.1” Pin No.
Symbol
Description
1
1
B+
DC Voltage Supplies the Operating
Power
2
2
B+
DC Voltage Supplies the Operating
Power
3
3
GND
GND
4
4
GND
GND
5
5
BRIGADJ
Give an analog step by step signal in
the range of 0 to 2.5V DC to Control
the Lamp brightness
6
6
BKLO
Control the Inverter ON/OFF
Connector 2; Output Connector
Pin No.
Description
1
High voltage side of the Lamp
2
Low voltage side of the Lamp
Electrical Specifications
NO.
Item
SYM
Min
Typical
Max
Unit
1
Input Voltage
Vin
(Ripple 800m Vp-p
7
12.0
22.0
Vdc
2
Output Voltage
Vout
-
700
-
Vrms
Iout (Min)
BRIGADJ=0V
3.0
5.5
mArms
3
Output Current
Iout(Max)
BRIGADJ=2.5V
5.0
6.0
mArms
4
Output Power
Pout
-
3.55
4.0
W
5
Working
Frequency
F
45
50
55
KHz
3.0
3.3
Vdc
6
On/Off Control
BKLO
>15ms ON
0
0.8
Vdc
7
Brightness Control
BRIGADJ
80%
2.5
Vdc
8
Efficiency
70
-
-
%
9
Kick off Voltage
Vopen
@ 0ºC
1400
Vrms
