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PDF LM2425TE Data sheet ( Hoja de datos )
| Número de pieza | LM2425TE | |
| Descripción | 220V Monolithic Triple Channel 10 MHz CRT DTV Driver | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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November 2004
LM2425
220V Monolithic Triple Channel 10 MHz CRT DTV Driver
General Description
The LM2425 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 −53 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 15 MHz bandwidth at 130VPP output swing
n Up to 170VPP output swing with AC coupling to
cathodes
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 AC or DC coupled DTV applications.
Connection Diagram
Schematic Diagram
20124101
FIGURE 1. Top View
Order Number LM2425TE
See NS Package Number TE11B NOPB
Available only with lead free plating
20124102
FIGURE 2. Simplified Schematic Diagram
(One Channel)
© 2004 National Semiconductor Corporation DS201241
www.national.com
1 page  
Typical Performance Characteristics (VCC = +220VDC, VBB = +12VDC, CL = 10 pF, VOUT = 130VPP
(60V – 190V), TC = 60˚C, Test Circuit — Figure 3 unless otherwise specified)
20124110
FIGURE 10. Power Dissipation vs Frequency
20124111
FIGURE 11. Safe Operating Area
20124112
FIGURE 12. LM2425 Cathode Response
5 www.national.com
5 Page 
Physical Dimensions inches (millimeters) unless otherwise noted
NOTE: Available only with lead free plating
NS Package Number TE11B
Order Number LM2425TE NOPB
National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves
the right at any time without notice to change said circuitry and specifications.
For the most current product information visit us at www.national.com.
LIFE SUPPORT POLICY
NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS
WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body, or
(b) support or sustain life, and whose failure to perform when
properly used in accordance with instructions for use
provided in the labeling, can be reasonably expected to result
in a significant injury to the user.
2. A critical component is any component of a life support
device or system whose failure to perform can be reasonably
expected to cause the failure of the life support device or
system, or to affect its safety or effectiveness.
BANNED SUBSTANCE COMPLIANCE
National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship
Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned
Substances’’ as defined in CSP-9-111S2.
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Support Center
Email: [email protected]
Tel: 1-800-272-9959
www.national.com
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Email: [email protected]
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Email: [email protected]
Tel: 81-3-5639-7560
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet LM2425TE.PDF ] | |
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