OM5428

Product Specification INTEGRATED CIRCUIT 2005 Aug 05 OM5428 w Phase and general purpose wcontrol triac triggering circuit w INTEGRATED ELECTRONIC SOLUTIONS 1BUTLER D RIVE HENDON SA 5014 AUSTRALIA .D t a S a e h t e U 4 .c m o w w w .D at h S a t e e 4U . m o c Integrated Electronic Solutions, Hendon, South Australia Product Specification Phase control and general purpose triac triggering circuit CONTENTS 1 2 3 4 5 5.1 5.2 6 7 7.1 7.2 7.3 7.4 7.4.1 7.4.2 7.5 7.5.1 7.5.2 7.6 7.6.1 7.6.2 7.7 7.7.1 8 9 10 11 12 13 14 15 FEATURES GENERAL DESCRIPTION BLOCK DIAGRAM ORDERING INFORMATION PINNING INFORMATION Pinning layout Pin description QUICK REFERENCE DATA FUNCTIONAL DESCRIPTION Supply Reset Zero-crossing detector Difference amplifier IC+, IC-, QC+, QCDIFFEN Sawtooth generator SAW FLY Output Amplifier AMPIN TRG Gate sense SDIS - Gate sense disable LIMITING VALUES CHARACTERISTICS IMPORTANT: ELECTRICAL SAFETY WARNING APPLICATION INFORMATION PACKAGE OUTLINES DEFINITIONS IES INFORMATION DISCLAIMER(1) OM5428 (1) The contents of this document are subject to the disclaimer on page 16 2005 Aug 05 2 Integrated Electronic Solutions, Hendon, South Australia Product Specification Phase control and general purpose triac triggering circuit 1 FEATURES 2 GENERAL DESCRIPTION OM5428 Design flexibility for phase control applications Adjustable proportional range Adjustable hysteresis Adjustable firing burst repetition time Adjustable pulse width Supplied fro...