OZ9936 Просмотр технического описания (PDF) - O2Micro International
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OZ9936 Datasheet PDF : 11 Pages
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OZ9936
Change Summary
CHANGES
No Applicable Section
1 Footer
Description
Added patent numbers
Page(s)
0
REVISION HISTORY
Revision
No.
0.90
1.0
Description of change
Initial release
Features: 1. Add ‘Built-in intelligence to ignite positive impedance
CCFLs; 2. Add ‘Shutdown delay for input brownout condition’; 3. Delete
‘Tight parameter tolerance’
General Description: 1. Add ‘OZ9936 drives all types of CCFLs and is
able to ignite positive impedance CCFLs. OZ9936 provides a shutdown
delay feature for input brownout condition.’ after ‘OZ9936 operates at a
constant…’. 2. Move the paragraph ‘The OZ9936 provides two drive…’
to the 2nd paragraph
Electrical Specifications: a. Update ‘Supply Current’ Max limits;
b. Update ‘Soft Start Current Source’ Typ & Max limits; c.
Update ‘Under Voltage Lockout’ Min, Typ & Max limits; d.
Update ‘ENA_SST_CMP Pin – Low’ Max limit; e. Update
Operating Frequency on DRV1 & DRV2 Pin’ Min, Typ & Max
limits & Temperature Coefficient; f. Update ‘Duty Cycle on DRV1
& DRV2 (active high)’ Max limit; g. Update ‘Ignition Time’ Min &
Max limits; h. Add ‘Open Lamp Shutdown Delay Time’
parameters; i. Update ‘V1(ENA_SST_CMP Pin) Threshold’ Min
limit; j. Update ‘Drivers’ Typ & Max limits; k. Update ‘Analog
Dimming Control’ Min, Typ & Max limits; l. Update ‘External
PWM Dimming Control’ Min, Typ & Max limits and add
temperature coefficient.
Functional Description: Modify No. 7. Open Lamp Protection.
Throughout data sheet: Miscellaneous corrections.
Release
Date
09/09/04
03/09/05
04/06/05
Copyright © 2003-2005 by O2Micro
OZ9936-DS-1.1
All Rights Reserved
CONFIDENTIAL
Page 0
U.S. Patents #6,559,606
#6,856,519
#6,809,938
#6,804,129
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