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OB3316 Datasheet

Part Number OB3316
Manufacturers On-Bright
Logo On-Bright
Description High Performance CCFL Controller
Datasheet OB3316 DatasheetOB3316 Datasheet (PDF)

OB3316 High Performance CCFL Controller General Description OB3316 is a high performance Cold Cathode Fluorescent Lamp (CCFL) backlight controller IC dedicated for use in push pull configuration. The controller is designed to drive single or multiple CCFLs in Liquid Crystal Display (LCD) applications. OB3316 converts unregulated DC input voltage to the pseudo sinusoidal voltage and current waveforms in required frequency, to ignite and operate CCFL lamps. OB3316 provides a high degree of design .

  OB3316   OB3316






High Performance CCFL Controller

OB3316 High Performance CCFL Controller General Description OB3316 is a high performance Cold Cathode Fluorescent Lamp (CCFL) backlight controller IC dedicated for use in push pull configuration. The controller is designed to drive single or multiple CCFLs in Liquid Crystal Display (LCD) applications. OB3316 converts unregulated DC input voltage to the pseudo sinusoidal voltage and current waveforms in required frequency, to ignite and operate CCFL lamps. OB3316 provides a high degree of design flexibility by offering great programmability for key parameters which includes operating frequency, striking frequency, striking time, burst frequency for dimming and soft-start time. OB3316 offers variable dimming controls. Both internal burst and external low frequency PWM (LPWM) dimming methods are available for a wide range of dimming control (10% to 100%). Further more, analog dimming is provided through external DC input control to achieve 40% to 100% dimming range. The highly integrated OB3316 provides complete protection features covering IC Under Voltage Lockout (UVLO), System supply brownout protection, Output Over Voltage Protection (OVP) and Lamp Fail Safe Functions (LFSF). z Push pull Features z z z z z z Typical Application Circuit O nB rig © On-Bright Electronics -1- ht C on f OB3316 is available in DIP16 and SOP16 packages. id en t ia Built-in burst and external LPWM for wide range dimming control Analog dimming Control 0-3V DC voltage direct dimming w.


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