CCFL-Inverter SCF-0273 ( For 3 W ✕ 1 Lamp ) ■Features ●Built in On/Off control function lamp current ●Regulated ●Built in Current Mode dimming control circuit. ●Applications: LCD size 12 to 13 inches for monitor Suitable Sanken's CCFL: Lamp length 200 to 230 mm : Exterior Diameter φ1.8, 2.0mm ■Outline (2.5) Top View CN1 CN2 2-φ2.2 6.0max Side View (2.5) 12.0± 0.5 (2.5) 105.0± 0.5 (9.0) PWB (Printed wiring board): FR-4 or CEM-3(t =0.8) Weight: 8.7g typ Unit : mm ■Connector terminal number and Function Connector No. CN1 (Input) CN 2 (Output) Terminal No. Symbol Function 1 VIN DC input voltage 2 GND Input GND 3 Vrmt On-Off control 4 Vbr dimming control 5 N.C 1 Lamp-H Output high side 2 Lamp-L Output low side Connector type name/Manufacturer 53261-0590/molex SM02B-BHSS-1-TB/JST SCF-0273 ■Application CN1 H 12V 1 VIN 3 Vrmt 2 GND 4 Vbr CN2 SW L 0 to 2V SW H: enable 2.5V to VIN L : disable 0 to 0.5V Lamp-H 1 Lamp-L 2 RL Cold-Cathode Fluorescent Lamp Inverter Unit ■Absolute maximum ratings Parameter Symbol Ratings Unit DC input voltage VIN 0 to 16 V On/Off voltage Vrmt 0 to 16 V Dimming voltage Vbr 0 to 2.5 V Output power PL 3.3 W Operating temp. Topr 0 to 60 °C Storage temp. Tstg – 20 to 80 °C Humidity RH 95 %RH Remarks Maximum wet-bulb temp. 38°C No dew condensation ■Electrical characteristics Conditions : at Topr=25°C, VIN=12V (unless otherwise stated) min Ratings typ max Unit Parameter Symbol DC input voltage VIN 9.6 12 15 V Input current IIN — — 500 mA VIN=12V Driving frequency fsw 50 55 60 kHz RL=100kΩ Output current IL — 6.0 — mArms — 3.0 — mArms Output Power PL — 3.0 — W Open voltage VO 1500 — — Vrms ■Dimming characteristics Output Current (mArms) 6.0 5.0 4.0 3.0 2.0 1.5 0.0 0.5 1.0 1.5 Dimming voltage (Vbr) 2.0 2.5 Remarks RL=100kΩ, Vbr =0V RL=100kΩ, Vbr = 2V RL=100kΩ VIN=9.6V, RL=100MΩ