LK460D3LZ19 Sharp Electronics, LK460D3LZ19 Datasheet - Page 16

• Manufacturer Part Number: LK460D3LZ19
• Manufacturer: Sharp Electronics

Specifications of LK460D3LZ19

• Lead Free Status / Rohs Status: Compliant

6-2. Inverter driving for back light
【Note 1】1)V
【Note 2】V
【Note 3】V
【Note 4】Current1) Definition within 60 minutes after turn on. (Rush current is excluded.)
【Note】 The inverter unit is driving at the following drive frequency.
＋24V
Permissible input ripple
The back light system is direct type with 22 CCFTs (Cold Cathode Fluorescent Tube).
Input voltage (High)
Input voltage (Low)
Input voltage
Parameter
The above drive frequency and the module drive frequency are cause and there is possibility
Backlight display problem occurs. When setting the drive frequency of the module,
The interference with the above frequency make not occur.
Supply voltage
voltage
2) V
Current2) Definition more than 60 minutes after turn on.
Current 1
Current 2
ON
BRT
V
V
INV
INV
INV
ON
(+24V) turn-on condition
(+24V) turn-off condition
*The lamp drive frequency: 59kHz ± 2kHz
*The burst Brightness control drive frequency: 275Hz ± 5Hz
V
V
ON
INV
0.1V
0.1V
INV
0.9V
0V
Symbol
ON
V
V
V
I
I
V
V
INV1
INV2
INV
ONH
ONL
T1
INV
BRT
RF
T2
Min.
22.8
3.0
t1
0
0
-
-
-
0.1V
ON
Typ.
24.0
10.0
8.0
3.3
-
-
-
0.9V
INV
0V
0V
Max.
11.9
25.2
200
9.2
1.0
5.0
3.3
T1 > 100μｓ
T2 ≧ 1ms
t1≧1ms
Unit
mV
A
A
V
V
V
V
V
BRT
impedance=950kΩ
impedance=2kΩ
= 3.3V, V
V
V
【Note 4】
【Note 1】
【Note 2】
【Note 3】
INV
INV
Remark
(Min.)
(Min.)
LD-18Z32-13
= +24V
= 24V
ON
Ta=25℃
= 3.3V