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LM2438T Datasheet

  • LM2438T

  • National Semiconductor [Monolithic Triple 13.5 ns CRT Drive...

  • 616.93KB

  • NSC

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LM2438 Monolithic Triple 13.5 ns CRT Driver
August 1999
LM2438
Monolithic Triple 13.5 ns CRT Driver
General Description
The LM2438 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 鈭?4 and can drive CRT ca-
pacitive loads as well as resistive loads present in other ap-
plications, limited only by the package鈥檚 power dissipation.
The IC is packaged in an industry standard 9-lead TO-220
molded plastic power package. See Thermal Considerations
section.
Features
n
Well matched with LM1279 video preamp
n
0V to 5V input range
n
Stable with 0鈥?0 pF capacitive loads and inductive
peaking networks
n
Convenient TO-220 staggered lead package style
n
Standard LM243X Family Pinout which is designed for
easy PCB layout
Applications
n
1024 x 768 displays up to 60 Hz refresh
n
Pixel clock frequencies up to 60 MHz
n
Monitors using video blanking
Schematic and Connection Diagrams
DS101043-2
Note:
Tab is at GND
Top View
Order Number LM2438T
DS101043-1
FIGURE 1. Simplified Schematic Diagram
(One Channel)
漏 1999 National Semiconductor Corporation
DS101043
www.national.com

LM2438T 产品属性

  • 45

  • 集成电路 (IC)

  • PMIC - 显示器驱动器

  • -

  • CRT

  • -

  • -

  • -

  • 18mA

  • 60 V ~ 85 V

  • -20°C ~ 100°C

  • 通孔

  • TO-220-9 成形引线

  • TO-220-9

  • 管件

  • *LM2438T

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