LM2437 National Semiconductor Corporation, LM2437 Datasheet
LM2437
Manufacturer Part Number
LM2437
Description
LM2437 - Monolithic Triple 7.5 NS CRT Driver, Package: to 220, Pin Nb=9
Manufacturer
National Semiconductor Corporation
Datasheet
1.LM2437.pdf
(10 pages)
Available stocks
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Part Number
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Quantity
Price
Part Number:
LM2437T
Manufacturer:
NS/国半
Quantity:
20 000
© 1999 National Semiconductor Corporation
LM2437
Monolithic Triple 7.5 ns CRT Driver
General Description
The LM2437 is an integrated high voltage CRT driver circuit
designed for use in color monitor applications. The IC con-
tains three high input impedance, wide band amplifiers
which directly drive the RGB cathodes of a CRT. Each chan-
nel has its gain internally set to −14 and can drive CRT ca-
pacitive loads as well as resistive loads present in other ap-
plications, limited only by the package’s power dissipation.
The IC is packaged in an industry standard 9-lead TO-220
molded plastic power package. See Thermal Considerations
section.
Schematic and Connection Diagrams
FIGURE 1. Simplified Schematic Diagram
(One Channel)
DS100932
DS100932-1
Features
n Well matched with LM1279 video preamp
n 0V to 4.5V input range
n Stable with 0–20 pF capacitive loads and inductive
n Convenient TO-220 staggered lead package style
n Standard LM243X Family Pinout which is designed for
Applications
n 1024 x 768 displays up to 85 Hz refresh
n Pixel clock frequencies up to 100 MHz
n Monitors using video blanking
Note: Tab is at GND
peaking networks
easy PCB layout
Order Number LM2437T
Top View
DS100932-2
www.national.com
August 1999
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