LK520D3LZ19 Sharp Microelectronics, LK520D3LZ19 Datasheet - Page 15

• Manufacturer Part Number: LK520D3LZ19
• Description: LCD Graphic Display Modules & Accessories 52 (1920x1080) LCD
• Manufacturer: Sharp Microelectronics

Specifications of LK520D3LZ19

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

6-2. Inverter driving for back light
【Note 1】1)V
【Note 2】Current1) Definition within 60 minutes after turn on. (Rush current is excluded.)
＋ 24V
Permissible input ripple
The back light system is direct type with 24 CCFTs (Cold Cathode Fluorescent Tube).
Input voltage (High)
Input voltage (Low)
Input voltage
Parameter
Supply voltage
voltage
2) V
Current2) Definition more than 60minutes after turn on.
Current 1
Current 2
INV
INV
V
(+24V) turn-on condition
ON,
(+24V) turn-off condition
V
INV
V
BRT
V
V
ON,
1.0V
INV
V
0V
21.6V
BRT
Symbol
V
V
V
I
I
V
V
INV1
INV2
T1
ONL
ONH
BRT
INV
RF
1.0V
T2
Min.
22.8
3.0
0
0
-
-
-
2.0V
t1
(10.8)
(9.3)
Typ.
24.0
3.3
-
-
-
21.6V
0V
0V
(TBD)
(TBD)
Max.
25.2
200
1.0
5.0
3.3
T1＞100µs
T2≧1ms
t1≧1ms
Unit
mV
A
A
V
V
V
V
V
impedance=(TBD)kΩ
impedance=(TBD)kΩ
BRT
= 3.3V, V
V
V
【Note 2】
INV
INV
LD- 18952-12
Remark
V
V
= +24V
BRT
= 24V
ON
ON
Ta=25℃
= 3.3V