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ILA3654

IK Semiconductor
Part Number ILA3654
Manufacturer IK Semiconductor
Description Vertical Deflection and Guard Circuit
Published Dec 21, 2005
Detailed Description TECHNICAL DATA VERTICAL DEFLECTION AND GUARD CIRCUIT (110°) The ILA3654 is a full performance vertical deflection output...
Datasheet PDF File ILA3654 PDF File

ILA3654
ILA3654

Overview
TECHNICAL DATA VERTICAL DEFLECTION AND GUARD CIRCUIT (110°) The ILA3654 is a full performance vertical deflection output circuit for direct drive of the deflection coils and can be used for a wide range of 90　and  110　deflection  systems.
A guard circuit is provided which blanks the picture tube screen in the absence of deflection current.
FEATURES • • • • Direct drive to the deflection coils 90　and  110　deflection  system Internal blanking guard circuit Internal voltage stabilizer QUICK REFERENCE DATA PARAMETER Output voltage Output current (peak-to-peak) Supply voltage Guard circuit output voltage Operating ambient temperature range Storage temperature THERMAL RESISTANCE From junction to mounting base SYMBOL V5-2 I5(p-p) V9-2 V7-2 Tamb Tstg Rth j-mb MIN.
BLOCK DIAGRAM.
FUNCTIONAL DESCRIPTION Output stage and protection circuits The output stage consists of two Darlington configurations in class B arrangement.
Each output transistor can deliver 1,5 A maximum and the VCEO is 60 V.
Protection of the output stage is such that the operation of the transistors remains well within the SOAR area in all circumstances at the output pin, (pin 5).
This is obtained by the cooperation of the thermal protection circuit, the current-voltage detector and the short circuit protection.
Special measures in the internal circuit layout give the output transistors extra solidity.
The same curves also apply for the upper output device.
The supply for the output stage is fed to pin 6 and the output stage ground is connected to pin 4.
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D t a S a e h t e 25 55  3,5 U 4 .
c 4 MAX.
60 3 40 5,6 60 150 m o UNIT V A V V o C o C K/W 1 www.
DataSheet4U.
com ILA3654 Driver and switching circuit Pin 1 is the input for the driver of the output stage.
The signal at pin 1 is also applied to pin 3 which is the input of a switching circuit (pin 1 and 3 are connected via external resistors).
This switching circuit rapidly turns off the lower output stage when the flyback s...


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