LMT LM – Monolithic Triple NS CRT Driver, Package: to , Pin Nb=9. The is an integrated high voltage CRT driver circuit designed for use in. Download National Semiconductor Corporation LMT pdf datasheet file. LMT Datasheet PDF Download – Monolithic Triple ns CRT Driver, LMT data sheet.
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Referring to Figure 9there are three components R1, R2. This minimizes parasitic capacitance in the. MHz bandwidth then a maximum heat sink thermal resis.
The NSC demo board also has a position open to add a resistor in parallel with L1. Very important for arc protection. This corresponds to a speed degrada- tion of 0.
The designer should note that if the load capacitance is increased the Lm243t component of the total power dissipation will also increase. Figure 7 shows the variation in rise lm2439g fall times when the. Increasing the values of R1 and R2 will slow the circuit down while decreasing over- shoot. Tab is at GND. Used in conjunction with an LM, a complete video chan- nel from monitor input to CRT cathode can be achieved.
To prevent this, leads to the. Once the optimum values are determined the variable resistors can be replaced with fixed values.
The fall time shows a. Note also that D14, D15, R29 and Lm24439t are placed to minimize the size of the video nodes that they are attached to. The val- ues shown in Figure 9 can be used as a good starting point for the evaluation of the LM V CC clamp diodes. Figure 11 shows routing and component placement on the. Figure 8 shows the effect of increased load capacitance on. It is very important to use induc- tors datashwet very high self-resonant frequencies, preferably above MHz.
Increasing the value of L1 will speed up the circuit as well as increase overshoot. The figure shows that the rise time of the LM increases. See Thermal Considerations section. This graph gives the designer the information.
LMT datasheet, Pinout ,application circuits Monolithic Triple Ns CRT Driver [Obsolete]
To prevent this, leads to the video amplifier input circuit should be shielded, and input cir- cuit wiring should be spaced as far as possible from output circuit wiring. Increasing the values datashset R1.
The designer should note that if the load capacitance. The IC is packaged in an industry standard 9-lead TO molded plastic power package. This board provides a good example of a layout daasheet can be used as a guide for future layouts.
Used in conjunction with an LM, a complete video chan. Note that the components are placed so that they almost line up from the output pin of the LM to the blue cathode pin of the CRT connector.
LM2439T Datasheet PDF
This resistor can be used to help control overshoot. Increasing the value of L1 will speed up the circuit as. Note also that D14, D15, R29 and D13 are. Ferrite core inductors from J. The LM case temperature must be maintained below. The IC is packaged in an industry standard 9-lead TO It is very important to lm2439y induc. Note that the components are placed so. This graph gives the designer the information needed to determine the heat sink requirement for the appli- cation.
Semiconductor Application Note This datasheer to a speed degrada.