OZ9939

10/27/2005

OZ9939-DS-1.1

Page 0

Copyright

All Rights Reserved

CONFIDENTIAL

Change Summary

CHANGES

No.

Applicable Section

Description

Page(s)

1.

Electrical Characteristics

Updated limits for Protection Release Threshold

3

REVISION HISTORY

Revision No.

Description of change

Release Date

0.6

Initial release

5/12/2005

0.65

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

6/27/2005

1.0

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.

9/21/2005