kia3802f Korea Electronics (KEC GROUP), kia3802f Datasheet - Page 3

• Manufacturer Part Number: kia3802f
• Description: Lcd Backlight Inverter Controller
• Manufacturer: Korea Electronics (KEC GROUP)

2005.12.6
ELECTRICAL CHARACTERISTICS
(
Note 1 : The Lamp Oscillotor Frequency is the half of the ramp wave Frequency.
Note 2 : Only Verified by Simulation. Not 100% tested.
V
CC
Reference Voltage
Nominal Voltage
Line Regulation
Load Regulation
High Frequency Oscillator
Initial accuracy
Ramp Peak
Ramp Vally
Low Frequency Oscillator
Initial accuracy
Ramp Peak
Ramp Vally
Low Frequency PWM
Duty Cycle range
Error Amplifier
Input Voltage range
Open Loop Voltage Gain
Unity gain Bandwidth
Power Supply Rejection
Threshold
Enable
Open Lamp Protection
Over Voltage Protection
Supply
Supply current
Supply current
Output
Low State Output Voltage
High State Output Voltage
Rise Time
Fall Time
=12V; V
EN
Parameter
=2.0V, Ta=25 , Unless oterwise noted.)
(2)
Output Off
Output On
Revision No : 0
(1)
V
Symbol
V
I
I
V
V
CC(OFF)
f
V
f
V
CC(ON)
V
EN(OFF)
EN(ON)
V
V
HOSC
LOSC
DIMH
DIML
CMP
OVP
REF
t
t
OH
OL
r
f
I
V
I
CT=1.2 , RT=10
LCT = 470
R
Output On -> Off
Output On -> Off
V
V
I
I
I
I
C
C
REF
REF
O(SINK)
O(SINK)
O(SOURCE)
O(SOURCE)
CMP
OUT
OUT
CC
EN
DIM
=7V to 20V
=0V
= 1
= 1.0
=0V
=2
=2
=2
KIA3802F
=1
=50
=1
=50
~ 5
Test Conditions
Min
4.75
106
2.0
10
10
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
10.5
10.5
Typ
116
210
5.0
2.0
3.0
2.5
2.5
0.7
0.6
2.5
0.5
0.5
80
60
50
50
0
1
3
2
8
-
-
-
-
Max
5.25
126
100
200
200
4.0
0.5
1.6
1.6
25
15
10
5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Unit
V
V
V
V
V
V
V
V
V
V
V
V
V
3/5