OZ9938

10/14/2005

OZ9938-DS-1.1

Page 0

Copyright

All Rights Reserved

CONFIDENTIAL

Patent#6,559,606, #6,856,519 & #6,809,938

Change Summary

CHANGES

No.

Applicable Section

Description

Page(s)

1.

Electrical Characteristics

Update 慞rotection release threshold in ‘Timer & protection’

parameter Min & Max limits

3

2.

Throughout datasheet

Miscellaneous changes

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REVISION HISTORY

Revision No.

Description of change

Release Date

0.60

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

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.

9/22/2005