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LM9022 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM9022
Description  Vacuum Fluorescent Display Filament Driver
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM9022 Datasheet(HTML) 1 Page - National Semiconductor (TI)

   
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LM9022
Vacuum Fluorescent Display Filament Driver
General Description
The LM9022 is a bridged power amplifier capable of deliv-
ering typically 2W of continuous average power into a 10
filament load when powered by a 5V power supply.
To conserve power in portable applications, the LM9022’s
micropower shutdown mode (I
Q = 0.6µA, typ) is activated
when V
DD is applied to the SHUTDOWN pin.
Additional LM9022 features include thermal shutdown pro-
tection, unity-gain stability, and external gain set.
Key Specifications
n
I
DD during shutdown
0.6µA (typ)
n
Thermal Shutdown Protection
Features
n
No transformers required
n
SO or DIP packaging
Applications
n
VCR/DVD Displays
n
RADIO/TUNER Displays
Typical Application T
A = 25˚C, VDD = 5V, unless otherwise specified.
Connection Diagram
MSOP, Small Outline, and DIP Package
20021502
Top View
Order Number LM9022M or LM9022N
See NS Package Number M08A or N08E
20021501
FIGURE 1. Typical Application Circuit
July 2002
© 2002 National Semiconductor Corporation
DS200215
www.national.com


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