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TCA785 Datasheet Phase Controller

Manufacturer: Siemens Semiconductor Group (now Infineon)

Overview: TCA 785 Phase Control IC Pb-free lead plating; RoHS pliant.

General Description

The synchronization signal is obtained via a high-ohmic resistance from the line voltage (voltage V5).

A zero voltage detector evaluates the zero passages and transfers them to the synchronization register.

This synchronization register controls a ramp generator, the capacitor C10 of which is charged by a constant current (determined by R9).

Key Features

  • q Reliable recognition of zero passage q Large.

TCA785 Distributor