SCF-0272 [SANKEN]
CCFL-Inverter; CCFL逆变器
| 型号： | SCF-0272 |
| 厂家： | 
SANKEN ELECTRIC |
| 描述： | CCFL-Inverter |
| 文件： | 总2页 (文件大小：62K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
CCFL- Inve rte r
For 2W
ꢀ 1 Lamp
(
)
S C F -0 2 7 2
ꢀFeatures
ꢀ
Built in On/Off control function
ꢀ
It's possible to dim with external PWM signal, applying
On/Off function.
ꢀ
Applications: LCD size 7 to 8 inches for monitor
Suitable Sanken's CCFL: Lamp length 160 to 180mm
φ
: Exterior Diameter 1.8mm
ꢀOutline
±
0.5
86.0
±
0.2
14.5
Top View
CN2
φ
2.4
Side View
PWB(Printed wiring board): FR-4 or CEM-3 (t=0.8)
Weight: 5.3g typ
Unit : mm
ꢀConnector terminal number and Function
Connector No.
Terminal No.
Symbol
Function
Connector type name/Manufacturer
1
VIN
DC input voltage
2
3, 4
5
GND
Vbr
Power GND
On-Off/dimming control
Signal-GND
CN1
(Input)
CHP2705-0101/SMK
S-GND
Lamp-H
Lamp-L
1
Output high side
Output low side
CN2
(Output)
SM02B-BHSS-TB/JST
2
S C F -0 2 7 2
■Application
CN1
1
CN2
1
VIN
H
L
5V
SW
D
RL
Lamp-H
Lamp-L
3,4 Vbr
2
5
GND
2
S-GND
Cold-Cathode
Fluorescent
Lamp
TTL pulse
100 to 500Hz
Inverter Unit
SW H: enable 2.5V to VIN
L: disable 0 to 0.5V
D: dimming
■Absolute maximum ratings
Parameter
Symbol
Ratings
Unit
Remarks
DC input voltage
VIN
0 to 8
V
Control signal voltage
Output power
Operating temp.
Storage temp.
Humidity
Vbr
PL
0 to 5.5
2.3
V
W
Topr
Tstg
RH
0 to 60
–20 to 80
95
°C
°C
Maximum wet-bulb temp. 38°C
No dew condensation
%RH
■Electrical characteristics
Conditions: at Topr=25°C, VIN=5V (unless otherwise stated)
Ratings
typ
Parameter
Symbol
Unit
Remarks
min
max
VIN
IIN
Input DC voltage
Input current
4.75
5
5.25
V
—
—
—
VIN=5V
700
60
mA
kHz
f
RL=90kΩ
Driving frequency
50
sw
RL=90kΩ
RL=80kΩ
—
—
4.7
5.0
—
—
mArms
mArms
IL
Output current
fPWM
PL
External signal TTL
RL=80kΩ
Dimming control frequency
Output Power
100
—
—
2.0
500
—
Hz
W
VIN=4.75V, RL=100MΩ
VO
Open voltage
1000
1100
—
Vrms
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