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PDF LM2429 Data sheet ( Hoja de datos )
| Número de pieza | LM2429 | |
| Descripción | Monolithic Triple Channel 15 MHz DTV Driver | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM2429 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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October 2004
LM2429
Monolithic Triple Channel 15 MHz DTV Driver
General Description
The LM2429 is an integrated 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 −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 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 0V to 5V input range
n Greater than 130VPP output swing capability
n Stable with 0–20 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
Note: Tab is at GND
Top View
Order Number LM2429
20073102
FIGURE 1. Simplified Connection and Pinout Diagram
20073101
FIGURE 2. Simplified Schematic Diagram
(One Channel)
© 2004 National Semiconductor Corporation DS200731
www.national.com
1 page  
Typical Performance Characteristics (VCC = +180VDC, VBB = +8VDC, CL = 8pF, VOUT = 130VPP
(35V − 165V), Test Circuit - Figure 3 unless otherwise specified) (Continued)
20073107
FIGURE 10. Power Dissipation vs Frequency
20073116
FIGURE 11. Power Derating Curve
20073119
FIGURE 12. Cathode Pulse Response
5
www.national.com
5 Page 
Application Hints (Continued)
20073113
FIGURE 16. LM126X/LM242X/LM248X Demonstration Board Layout
20073114
FIGURE 17. Trace Routing and Component Placement for Blue Channel Output
11 www.national.com
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LM2429.PDF ] | |
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