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PDF LM2422 Data sheet ( Hoja de datos )
| Número de pieza | LM2422 | |
| Descripción | 220V Monolithic Triple Channel 30 MHz CRT DTV Driver | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM2422 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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January 2005
LM2422
220V Monolithic Triple Channel 30 MHz CRT DTV Driver
General Description
The LM2422 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 −52 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 30 MHz bandwidth
n Greater than 130VP-P output swing capability
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 HDTV applications using the 1080i format as well as
other DTV and standard TV formats.
Connection Diagram
Schematic Diagram
20138201
FIGURE 1. Top View
Order Number LM2422
See NS Package Number TE11B
20138202
FIGURE 2. Simplified Schematic Diagram
(One Channel)
© 2005 National Semiconductor Corporation DS201382
www.national.com
1 page  
Typical Performance Characteristics (VCC = +220VDC, VBB = +12VDC, CL = 10 pF, VOUT = 110VPP
(80V – 190V), TC = 60˚C, Test Circuit — Figure 3 unless otherwise specified)
201382010
FIGURE 10. Power Dissipation vs Frequency
201382011
FIGURE 11. Safe Operating Area
201382012
FIGURE 12. LM2422 Cathode Response
5 www.national.com
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet LM2422.PDF ] | |
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