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LM2419N, LM2420T, LM2421

Table of contents:
Info of LM2419N
Info of LM2420T
Info of LM2421

LM2419N, LM2420T, LM2421 Selling Leads, Datasheet

MFG:National Package Cooled:ZIP D/C:08+

LM2419N, LM2420T, LM2421 Datasheet download

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Part Number: LM2419N

MFG: National

Package Cooled: ZIP

D/C: 08+

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LM2421 General Description

The LM2421 is an integrated high voltage CRT driver circuit designed for use in HDTV 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 −42 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. See Thermal Considerations section.

LM2421 Maximum Ratings

If Military/Aerospace specified devices are required,please contact the National Semiconductor Sales Office/Distributors for availability and specifications.
Supply Voltage (V_CC) ...................................................+155V
Bias Voltage (V_BB) ..........................................................+15V
Input Voltage (V_IN) ...................................-0.5V to V_BB +0.5V
Storage Temperature Range (T_STG)........ −65°C to +150°C
Lead Temperature
(Soldering, <10 sec.) 300°C
ESD Tolerance, Human Body Model ..................................2kV
Machine Model ...............................................................200V
Junction Temperature ................................................150°C
_JC (typ) ................................................................2.8°C/W

LM2421 Features

`0V to 5V input range
` Stable with 020 pF capacitive loads and inductive peaking networks
` Convenient TO-220 staggered lead package style
` Maintains standard LM240X Family pinout which is designed for easy PCB layout

LM2421 Typical Application

· AC coupled HDTV applications using the 1080i and 720p formats as well as standard NTSC and PAL formats.

LM2421 Connection Diagram

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