OZ9939

OZ9939 Change Summary CHANGES www.DataSheet4U.com Controlled Recipient #106805 printed on 3/6/2006. Updates will be provided to registered recipients. No. 1. Applicable Section 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. 9 Dimming Control. Package Information: Add DIP package drawing. Throughout datasheet: Miscellaneous changes. Release Date 5/12/2005 6/27/2005 1.0 9/21/2005 10/27/2005 OZ9939-DS-1.1 Copyright © 2005 by O2Micro All Rights Reserved Patent#6,559,606, #6,856,519 & #6,809,93800 Page 0 CONFIDENTIAL ...