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CCFL-Inverter sFeatures qBuilt SCF-0272 ( For 2W 1 Lamp ) in On/Off control function qIt's possible to dim with external PWM signal, applying On/Off function. qApplications: LCD size 7 to 8 inches for monitor Suitable Sanken's CCFL: Lamp length 160 to 180 mm : Exterior Diameter 1.8mm sOutline 4.50.1 86.00.5 14.50.2 10.00.5 CN1 Top View 2.4 CN2 PWB (Printed wiring board): FR-4 or CEM-3 (t =0.8) Weight: 5.3g typ Unit : mm sConnector terminal number and Function Connector No. Terminal No. 1 CN1 (Input) 2 3, 4 5 CN 2 (Output) 1 2 Symbol VIN GND Vbr S-GND Lamp-H Lamp-L Function DC input voltage Power GND CHP2705-0101/SMK On-Off/dimming control Signal-GND Output high side SM02B-BHSS-TB/JST Output low side Connector type name/Manufacturer 5.5 max Side View SCF-0272 sApplication CN1 5V D L H SW 3,4 2 5 TTL pulse 100 to 500Hz SW H: enable 2.5V to VIN L : disable 0 to 0.5V D: dimming Vbr GND S-GND Lamp-L 2 Cold-Cathode Fluorescent Lamp 1 VIN Lamp-H CN2 1 RL Inverter Unit sAbsolute maximum ratings Parameter DC input voltage Control signal voltage Output power Operating temp. Storage temp. Humidity Symbol VIN Vbr PL Topr Tstg RH Ratings 0 to 8 0 to 5.5 2.3 0 to 60 - 20 to 80 95 Unit V V W C C %RH Maximum wet-bulb temp. 38C No dew condensation Remarks sElectrical characteristics Parameter Input DC voltage Input current Driving frequency Output current Dimming control frequency Output Power Open voltage Symbol VIN IIN fsw IL fPWM PL VO min 4.75 -- 50 -- -- 100 -- 1000 Ratings typ 5 -- -- 4.7 5.0 -- 2.0 1100 Conditions: at Topr=25C, VIN=5V (unless otherwise stated) max 5.25 700 60 -- -- 500 -- -- Unit V mA kHz mArms mArms Hz W Vrms Remarks VIN=5V RL=90k RL=90k RL=80k External signal TTL RL=80k VIN= 4.75V, RL=100M |
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