OZ9939 Datasheet PDF

O2Micro OZ9939

The OZ9939 offers a high level of integration, while maintaining flexibility and high-efficiency operation that reduces external component heating, resulting in higher reliability and longer CCFL life. The proprietary design technique provides a simple, low-cost system solution. The controller converts unregulated DC voltages into a nearly sinusoidal lamp voltage and current waveforms.

Part No.	OZ9939
Datasheet	OZ9939 Download
Manufacturer	O2Micro
Description	Change
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ELECTRICAL CHARACTERISTICS

DESCRIPTION

Updated limits for Protection Release Threshold Page(s) 3 REVISION HISTORY Revision No. 0.6 0.65

DESCRIPTION

of change Initial release 1.

ELECTRICAL CHARACTERISTICS

: a. Modify general test conditions in line 1; b. Modify ‘Driver Frequency – Striking & Normal Operation’ Typ limit; c. Modify ‘PWM Dimming Control – LCT frequency’, 2. Reference Application Circuit: Modify C14, C9 & R9 values Ordering Information: Add OZ9939G, IG, D & DN. Recommended Operating Range: 1. Add ‘Dimming Range’; 2. Fill in ‘Thermal Impedance’.

ELECTRICAL CHARACTERISTICS

: 1. Update ‘Supply Current’ limits; 2. Update ‘Soft Start’ limits; 3. Update ‘Under Voltage Lockout’ limits; 4. Update ‘Reference Voltage’ limits; 5. Update ‘Driver Frequency’ limits; 6. Update ‘Timer & Protection’ limits; 6. Update ‘Drivers’ parameter name & limits; 7. Update ‘PWM Dimming Control’ limits; 8. Delete ‘Analog Dimming Control’. Function

DESCRIPTION

: Update formula in NO. 4 Ignition, No. 6 Normal Operation & No.