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LM2459 - Monolithic Single Channel 15 MHz DTV CRT Driver

General Description

The LM2459 is a single channel high voltage CRT driver circuit designed for use in DTV applications.

The IC contains a high input impedance, wide band amplifier which directly drives the cathode of a CRT.

51 and can drive CRT capacitive loads as

Key Features

  • 15MHz bandwith at 130VPP output swing 0V to 4V input range Greater than 130VPP output swing capability Stable with 0.
  • 20 pF capacitive loads and inductive peaking networks n Transient response improvement option via pin 6 (EM) n n n n.

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LM2459 Monolithic Single Channel 15 MHz DTV CRT Driver May 2004 LM2459 Monolithic Single Channel 15 MHz DTV CRT Driver General Description The LM2459 is a single channel high voltage CRT driver circuit designed for use in DTV applications. The IC contains a high input impedance, wide band amplifier which directly drives the cathode of a CRT. The amplifier has its gain internally set to −51 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 a staggered 7-lead TO-220 molded plastic power package designed specifically to meet high voltage spacing requirements. See Thermal Considerations section.