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LM2423 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM2423
Description  220V Monolithic Triple Channel 15 MHz CRT DTV Driver
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM2423 Datasheet(HTML) 1 Page - National Semiconductor (TI)

 
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LM2423
220V Monolithic Triple Channel 15 MHz CRT DTV Driver
General Description
The LM2423 is a triple channel high voltage CRT driver
circuit designed for use in DTV applications. The IC contains
three high input impedance, wide band amplifiers which
directly drive the RGB cathodes of a CRT. Each channel has
its gain internally set to −54 and can drive CRT capacitive
loads as well as resistive loads present in other applications,
limited only by the package’s power dissipation.
The IC is packaged in an industry standard 11-lead TO-220
molded plastic power package designed specifically to meet
high voltage spacing requirements. See Thermal Consider-
ations section.
Features
n
15 MHz bandwidth at 130V
PP output swing
n
Up to 170V
PP output swing with AC coupling to
cathodes
n
0V to 5V input voltage range
n
Stable with 0 pF–20 pF capacitive loads and inductive
peaking networks
n
Convenient TO-220 staggered thin lead package style
Applications
n
AC coupled DTV applications using the 480p format as
well as standard NTSC and PAL formats.
Connection Diagram
Schematic Diagram
20114801
FIGURE 1. Top View
Order Number LM2423TE
See NS Package Number TE11B NOPB
Available only with lead free plating
20114802
FIGURE 2. Simplified Schematic Diagram
(One Channel)
July 2004
© 2004 National Semiconductor Corporation
DS201148
www.national.com


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