AOC LM721A Service Manual page 10

Serial Service Manual
LM721A
4.4.4 Parameter guide line for CCFL Inverter
INVERTER MAX BRINGTHNESS (Vadj:5.0v), LOAD=120KΩX4(ROOM TEMPERATURE 25℃ ±4℃)
ITEM
Input voltage
Input current
Output Current
Frequency
H.V open
H.V Load
Start voltage
Protect delay time
INVERTER MIN BRINGTHNESS (Vadj:0.0v), LOAD=120KΩX4(ROOM TEMPERATURE 25℃ ±4℃)
ITEM
input voltage
input current
Output Current
Frequency
H.V open
Start voltage
H.V Load
SYMBOL MIN.
Vin 10.8
Iin
Iout 6.0
F 50.0
Vopen 1450
Vload 710
Vst
1650
PDT
0.4
SYMBOL MIN.
Vin
10.8
Iin
Iout 3.0
F 50.0
Vopen
1450
Vst
1650
Vload 350
TYP. MAX.
12 13.2
2250 2500
6.5 7.0
55.0 60.0
1600 1750
810 910
1750 1850
1 4
TYP. MAX.
12 13.2
660 750
3.5 4.0
55.0 60.0
1600 1750
1750 1850
450 550
Rev: A
UNIT REMARK
V
mA FOR 4 LOAD
mA FOR 1 LOAD
FOR 1 LOAD
KHZ
Vrms NO LOAD
RL=120KΩ
Vrms
Vrms RL=CCFL
Sec
UNIT REMARK
V
mA FOR 4 LOAD
mA FOR 1 LOAD
FOR 1 LOAD
KHZ
Vrms NO LOAD
Vrms RL=CCFL
RL=120KΩ Ω Ω Ω
Vrms