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2
Intelligent Lighting Family
Product Guide
Part
Number Description Package(s) Available
Page
No.
CCFL/EEFL Inverter Controller ICs
OZ964
Wide Input Range Adaptive 20 SOP, SSOP, Lead-free 5
OZ965
Fixed Input Voltage 16 SOP, TSSOP, Lead-free 6
OZ9910A
Dual Forward PWM Controller 16 SOP, SSOP, Lead-free 7
OZ9913
Piezo Transformer Controller 20 SOP, SSOP, Lead-free 8
OZ9918
SMBus
TM
Controller 24 SSOP, Lead-free 9
0Z9924*
LCD TV PWM Controller 20 SOP, SSOP, Lead-free 10
OZ9925*
LCD TV Off-Line DC/AC Controller 16 SOP, Lead-free 11
OZ9926*
Large-Size LCD TV Controller 24 SSOP, Lead-free 12
OZ9926A*
Large-Size LCD TV Controller 24 SOP, SSOP, Lead-free 13
OZ9928*
LCD TV Dual Controller 30 SSOP, Lead-free 14
OZ9935
V-Sync Multi-Lamp Controller 16 SOP, Lead-free 15
OZ9936
Precision Operating Frequency
Controller
8 PDIP, SOP, Lead-free 16
OZ9937
Universal LCD Panel Controller 16 SOP, Lead-free 17
OZ9938
Multi-Lamp Controller 16 DIP, SOP, Lead-free 18
OZ9939
Multi-Lamp Controller 16 DIP, SOP, Lead-free 19
OZ9970*
Low Cost LCD TV Controller 16 SOP, Lead-free 20
NOTE: The OZ9924, OZ9925, OZ9926, OZ9926A, OZ9928, and OZ9970 are inverter controllers specially designated for use in televisions or applications
with multiple lamps, are warranted and licensed for use in these or any other appropriate applications, and are sold with a license to all relevant O
2
Micro
patents. Sale of all other O
2
Micro inverter controllers are subject to the following restrictions: (i) the product is not warranted, indemnifi ed, or licensed for
use in televisions or applications with multiple lamps; (ii) sale of the product and license to O
2
Micro inverter controller patents are expressly conditioned
upon not using this product in a television or applications with multiple lamps; (iii) by using the product, you agree to notify customers of the limited
scope of the license and sale; and (iv) use of the product in a television or applications with multiple lamps is expressly prohibited, is a material breach of
such sale, and violates any express or implied license to any O
2
Micro patent. All sales are subject to O
2
Micro’s conditions and terms of sale and use.
3
Intelligent Lighting Family
Product Guide
Part
Number Description Package(s) Available
Page
No.
White LED ICs
OZ9950
White LED Controller 8 MSOP, SOP, Lead-free 21
OZ9951
Low Cost White LED Controller 8 SOP, Lead-free 22
OZ9953
Three String LED Controller 20 SSOP, Lead-free 23
OZ9954
Four String LED Controller 20 SSOP, Lead-free 24
OZ9955
Eight String LED Controller 28 QFN, Lead-free 25
OZ9956A
Six String LED Controller 20 QFN, Lead-free 26
OZ9957
High Power LED Controller 16 SOP, Lead-free 27
OZ9958
Three String LED Controller 16 QFN, SSOP, Lead-free 28
OZ9959
Six String SMBus
TM
LED Controller 20 QFN, Lead-free 29
MOSFET Drivers
OZ9982
Dual MOSFET Driver 16 SOP, Lead-free 30
Light Sensors
OZ70
Ambient Light Sensor 1206 SMD, Lead-free 31
OZ71B/G
Blue and Green Light Sensor 1206 SMD, Lead-free 32
OZ72R
Red Light Sensor 1206 SMD, Lead-free 33
Power Management ICs
OZ9921
Five-Channel DC/DC 28 QFN, SOP, Lead-free 34
OZ9922
Power Management Controller 48 LQFP, Lead-free 35
LARGE LCDS
NOTEBOOK COMPUTERS,
CELL PHONES, PDAS, GPS’
CAMCORDERS, GAMES,
DVD PLAYERS
4
Intelligent Lighting
MISSION STATEMENT
Be the leading supplier of highly effi cient, power management
Intelligent Lighting solutions for electronic products in the
Computer, Consumer, Industrial, Automotive, and
Communications markets worldwide.
PRODUCTS
O
2
Micro
®
offers a family of Intelligent
Lighting backlight CCFL, EEFL, FFL,
and LED controllers ideal for
various sizes of LCD display
applications such as desktop monitors,
televisions, notebooks, global positioning
system (GPS), and other mobile applications.
5
OZ964
FEATURES
• High effi ciency, zero-voltage switching, full bridge topology
• Constant operating frequency
• Built-in PWM dimming control with wide dimming range
• Soft start function
• Built-in intelligence for ignition and normal operation of CCFLs
• Built-in open-lamp and over-voltage protection
• Shutdown delay for input voltage brownout condition
• Supports positive impedance (dark effect) lamps during ignition
• Built-in under-voltage lockout protection
• Toggle pin to reset the IC after shutdown
GENERAL DESCRIPTION
OZ964 is a high effi ciency, Pulse Width Modulation (PWM) controller designed for
both DC/DC and DC/AC high-voltage applications. The average current mode con-
trol is suitable for DC/DC converters where both voltage and current feedback are
required, as well as for Cold Cathode Fluorescent Lamp (CCFL) backlight applica-
tions for small and large Liquid Crystal Displays (LCD).
OZ964 utilizes a PWM dimming method to achieve a wide dimming range. The IC
performs the CCFL dimming function with an analog or Low frequency PWM (LPWM)
control.
A shutdown delay function will keep the inverter module in normal operation for a
short period of time if the system input voltage suddenly drops and subsequently
resumes to a normal level.
APPLICATIONS APPLICATION DIAGRAM
• LCD Monitor
• Notebook Computer
• GPS
• Point-of-Sale (POS) Terminal
U.S. Patent #’s 6,259,615; 6,396,722; 6,804,129; 6,897,698; 7,026,860; 7,151,394; and more patents pending.
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