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LM2423TE
220V Monolithic Triple Channel 15 MHz CRT DTV Driver
LM2423
220V Monolithic Triple Channel 15 MHz CRT DTV Driver
General DescriptionThe LM2423isa triple channel high voltage CRT driver
circuit designedfor usein DTV applications. TheIC contains
three high input impedance, wide band amplifiers which
directly drivethe RGB cathodesofa CRT. Each channel has
its gain internally setto −54 and can drive CRT capacitive
loadsas wellas resistive loads presentin other applications,
limited onlybythe package’s power dissipation.
TheICis packagedinan industry standard 11-lead TO-220
molded plastic power package designed specificallyto meet
high voltage spacing requirements. See Thermal Consider-
ations section.
Features15 MHz bandwidthat 130VPP output swing Upto 170VPP output swing withAC couplingto
cathodes0Vto5V input voltage range Stable with0 pF–20pF capacitive loads and inductive
peaking networks Convenient TO-220 staggered thin lead package style
Applications AC coupled DTV applications using the 480p formatas
wellas standard NTSC and PAL formats.
Connection Diagram Schematic DiagramFIGURE1. Top View
Order Number LM2423TE
See NS Package Number TE11B NOPB
Available only with lead free plating
FIGURE2. Simplified Schematic Diagram
(One Channel)
July 2004
LM2423
220V
Monolithic
riple
Channel
MHz
CRT
DTV
Driver
