Sanken Electric Co SCF-0277 Datasheet
CCFL-Inverter
SCF-0277
■Features
●
Built in On/Off control function
●
Regulated lamp current
●
Built in Current Mode dimming control circuit.
●
Applications: LCD size 13 to 15 inches for note PC
Suitable Sanken's CCFL: Lamp length 270 to 310mm
:
Exterior Diameter φ1.8, 2.0, 2.2mm
■Outline
For 4W ✕ 1 Lamp
( )
±
0.5
95.0
±
82.0
0.2
Top View
0.2
±
(4.5)
12.8
(4)
2-φ2.2
CN1
Side View
PWB (Printed wiring board): FR-4 or CEM-3 (t=0.8)
Weight: 13.6g typ
■Connector terminal number and Function
Terminal No. Symbol Function Connector type name/ManufacturerConnector No.
CN1
(Input)
CN 2
(Output)
1
2
3
4
5
1
2
V
IN
GND
Vrmt
Vbr
N.C
Lamp-H
Lamp-L
DC input voltage
GND
On-Off control
Dimming control
Output high side
Output low side
0.5
±
CN2
20.0
8.0max
Unit : mm
53261-0590/molex
SM02 (8.0) B-BHS-TB/JST
■Application
CN1
1
V
3
2
4
IN
Vrmt
GND
Vbr
Inverter Unit
0 to 2V
H
SW
L
12V
SW H: enable 2.5V to V
L : disable 0 to 0.5V
IN
■Absolute maximum ratings
Parameter Symbol Ratings Unit
DC input voltage
On/Off voltage
Dimming voltage
Output power
Operating temp.
Storage temp.
Humidity
V
Vrmt
Vbr
P
Topr
Tstg
RH
IN
0 to 16
0 to 16
0 to 2.5
L
4.0
0 to 60
–20 to 80
95
Lamp-H
Lamp-L
%RH
SCF-0277
CN2
1
3
V
V
V
W
°C
°C
R
L
Cold-Cathode
Fluorescent Lamp
Remarks
Maximum wet-bulb temp. 38°C
No dew condensation
■Electrical characteristics
Parameter
DC input voltage
Input current
Driving frequency
Output current
Output Power
Open voltage
Symbol
V
IN
I
IN
f
sw
I
L
P
L
V
O
min
9.6
—
50
—
—
—
1500
■Dimming characteristics
6.0
5.0
rms)
4.0
3.0
2.0
Output Current (mA
1.0
0.0
0.5 1.0 1.5 2.0 2.5
Dimming voltage (V
Ratings
br)
Conditions : at Topr=25°C, VIN=12V (unless otherwise stated)
typ max
12
—
55
6.0
3.0
3.6
—
15
500
60
—
—
—
—
Unit
V
mA
kHz
mArms
mArms
W
Vrms
Remarks
=12V
V
IN
=120kΩ
R
L
R
=120kΩ, Vbr =0V
L
=120kΩ, Vbr =2V
R
L
R
=120kΩ
L
VIN=9.6V, R
=100MΩ
L
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