ILA8351 - IK Semiconductor

ILA8351 Vertical Deflection and Guard Amplifier

The ILA8351 is a power circuit for use in 90° and 110° colour deflection systems for field frequencies of 50 to 120 Hz. The circuit provides a DC driven vertical deflection output circuit, operating as a highly efficient class G system. QUICK REFERENCE DATA SYMBOL DC supply Vp Iq Vertical circuit l o(p-p) I diff(p-p) V diff(p-p) Flyback switch IM Vfb output.

Features

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• Few external components Highly efficient fully DC-coupled vertical output bridge circuit Vertical flyback switch Guard circuit Protection against:
  – short-circuit of the output pins (7 and 4)
  – short-circuit of the output pins to VP Temperature (thermal) protection High EMC immunity because of common mode inputs A guard signal in zoom mode. GENERAL DESCRIPTION The ILA8351 is a power circuit for use in 90° and 110° colour deflection systems for field frequencies of 50 to 120 Hz. The circuit provides a DC driven vertical deflection output circuit, operating as a highly efficient.