CXA-0385 TDK Corporation, CXA-0385 Datasheet - Page 3

• Manufacturer Part Number: CXA-0385
• Description: CCFL Inverters & Accessories Dimming
• Manufacturer: TDK Corporation

Specifications of CXA-0385

• Function: Dimming Inverter
• Input Voltage: 10.8 V to 13.2 V
• Number Of Outputs: 4
• Output Voltage: 1600 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

All specification are subject to change without notice.
TEST CIRCUIT:
CXA-0385 (16W QUAD OUTPUTS WITH DIMMING FUNCTION)
0~2.5V
Vbr
10.8~13.2V
Note 4. SW1 Operation is as following;
Note 5. SW2 Operation is as following;
Note 7. Connection diagram of LCD module (Reference)
OPEN
Vin
SW1
SW2
CXA-0385
a
b
a
b
Vrmt
V
5V
VHIGH
VHIGH
VHIGH
VHIGH
VLOW
VLOW
VLOW
VLOW
Variable resistance dimming
(Rbr=0Ω : Max Brightness)
(Vbr=0V : Max Brightness)
(0.025W~)
0~50kW
A
Operation of Unit
Operation of Unit
Voltage dimming
V
Rbr
Non Operation
Non Operation
Iin
Rbr=0~50kΩ
Vbr=0~2.5V
A
~
Operation
SW2
V
A
A
~
A
~
~
Vst
a
b
SW1
a
b
V
CN1-1.2
CN1-3.4
CN1-5
CN1-6
CN1-7
GND
Vrmt
Vin
Vbr
Vst
LCD Module
Lamp
Lamp
Lamp
Lamp
Q8
F1
F
2
2
1
3
4
5
1
3
4
5
T1
T2
*Connect the High Frequency Current Meter to the
6
9
6
9
Note 6.Safety Function
*1.
*2.
Low-Voltage (VLOW) side.
Normal Operation
DC- AC INVERTER UNIT
Load Condition
2 Lamps Open
3 Lamps Open
4 Lamps Open
If the inverter detects open circuit all lamps
for more than 3 seconds it will shut down.
In test circuit ,If anyone of switches SW3~SW10 opens,
then the warning signal will be activated (+5V).
1 Lamp Open
C08
C09
C06
C07
1000:1
Vhigh3
Vhigh1
Vhigh2
CN4-1
CN5-1
Vhigh4
CN2-1
CN3-1
CN4-2
CN5-2
Vlow1
CN2-2
CN3-2
Vlow2
Vlow3
Vlow4
CXA E VER, 2004/10/06
V
~
SW10
SW3
SW4
SW5
SW6
SW7
SW8
SW9
*1
Alarm Signal
0.5V max.
4.5~5.5V
4.5~5.5V
4.5~5.5V
4.5~5.5V
(CN1-6)
RL1,2,3,4 : Load resistance (7W MIN.)
CL1,2,3,4 : Stray capacitor (3kV MIN.)
CL3
CL1
RL3
CL4
RL1
CL2
RL2
RL4
Iout1
Iout3
Iout4
Iout2
A
A
~
A
~
A
~
~
*2
Shutdown
Operation
Shutdown
Normal
Normal
Normal
Normal
CTGB8V051-C