OM1654 Datasheet | IES

Data Sheet INTEGRATED CIRCUIT 2002 Nov 08 OM1654A & OM1654 m o .c U 4 t e e h S a t a .D w Simple w zero-crossing triac control circuit w INTEGRATED ELECTRONIC SOLUTIONS 1BUTLER D RIVE HENDON SA 5014 AUSTRALIA m o .c U 4 t e e h S a at .D w w w Integrated Electronic Solutions, Hendon, South Australia Data Sheet Simple zero-crossing triac control circuit CONTENTS 1 2 3 4 4.1 4.2 5 6 6.1 6.2 6.3 6.4 6.5 6.6 6.7 7 8 9 9.1 9.1.1 9.1.2 9.1.3 9.1.4 9.2 10 11 11.1 11.2 11.2.1 11.2.2 11.3 11.3.1 11.3.2 11.3.3 12 13 14 Features GENERAL DESCRIPTION ORDERING INFORMATION PINNING INFORMATION Pinning layout (8 pin) Pin description (8 pin) BLOCK DIAGRAM FUNCTIONAL DESCRIPTION - mon, positive DC supply SUBS - Substrate, negative DC supply AC - AC signal, power supply and synchronisation PWR - Power supply G - Triac gate drive CAP - Timing capacitor SENS - Sensor input LIMITING VALUES CHARACTERISTICS APPLICATION INFORMATION Design considerations Negative half cycle Positive half cycle Gate current Temperature sensing Application circuits PACKAGE OUTLINES SOLDERING Introduction DIP Soldering by dipping or by wave Repairing soldered joints SO Reflow soldering Wave soldering Repairing soldered joints DEFINITIONS IES INFORMATION DISCLAIMER(1) OM1654A & OM1654 (1) The contents of this document are subject to the disclaimer on page 16 2002 Nov 08 Integrated Electronic Solutions, Hendon, South Australia Data Sheet Simple zero-crossing triac control circuit 1 Features OM1654A & OM1654 GENERAL DESCRIPTION - Low external ponent count - Constant ON cycle time, with proportional OFF time - All ON cycles consist of an integral number of mains cycles - No DC ponent in the mains supply - On chip circuit protection against triac gate spikes - Low supply current...