OZ9938

OZ9938 Change Summary CHANGES No. 1. 2. Applicable Section Electrical Characteristics Throughout datasheet Description Update rotection release threshold in ‘Timer & protection’ parameter Min & Max limits Miscellaneous changes Page(s) 3 --- REVISION HISTORY Revision No. 0.60 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 1. Ordering Information: Add OZ9938G, IG, D & DN. 2. Recommended Operating Range: a. Add ‘Dimming Range’; b. Fill in ‘Thermal Impedance’. 3. Electrical Characteristics: a. Update ‘Supply Current’ limits; b. Update ‘Soft Start’ limits; c. Update ‘Under Voltage Lockout’ limits; d. Update ‘Reference Voltage’ limits; e. Update ‘Driver Frequency’ limits; f. Update ‘Timer & Protection’ limits; g. Update ‘Drivers’ parameter name & limits; h. Update ‘PWM Dimming Control’ limits; i. Delete ‘Analog Dimming Control’. 4. Function Description: Update formula in NO. 4 Ignition, No. 6 Normal Operation & No. 9 Dimming Control. 5. Package Information: Add DIP package drawing. Release Date 5/12/2005 6/27/2005 1.0 9/22/2005 10/14/2005 OZ9938-DS-1.1 Copyright 2005 by O2Micro All Rights Reserved Patent#6,559,606, #6,856,519 & #6,809,938 www.DataSheet4U.net Page 0 CONFIDENTIAL OZ9938 LCDM Inverter Controller FEATURES Positive P...