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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.

54 and can drive CRT capacitive l

Key Features

  • n 15 MHz bandwidth at 130VPP output swing Connection Diagram Schematic Diagram 20114801 FIGURE 1. Top View Order Number LM2423TE See NS Package Number TE11B NOPB Available only with lead free plating FIGURE 2. Simplified Schematic Diagram (One Channel) 20114802 © 2004 National Semiconductor Corporation DS201148 www. national. com LM2423 Absolute Maximum Ratings 3) (Notes 1, Operating Ratings (Note 2) VCC VBB VIN VOUT Case Temperature Do not operate the part without a heat sink. +100V t.

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LM2423 220V Monolithic Triple Channel 15 MHz CRT DTV Driver July 2004 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 Considerations section.