FLC21-135A LOW POWER Application Specific Discretes A.S.D. FIRE LIGHTER CIRCUIT FEATURES n DEDICATED THYRISTOR STRUCTURE FOR CAPACITIVE DISCHARGE IGNITION OPERATION n HIGH PULSE CURRENT CAPABILITY I =90A tp=10S FRM n AC OR DC OPERATION CAPABILITY WITH SUPPLY FROM THE AC MAINS OR A DC BATTERY 1 2 n FAST TURN-ON OPERATION 3 n DESIGNED FOR HIGH AMBIENT TEMPERATURE (up to 120C) TO-92 (Plastic) BENEFITS n SPACE SAVING THANKS TO MONOLITHIC FUNCTION INTEGRATION FUNCTIONAL DIAGRAM n HIGH RELIABILITY WITH PLANAR pin 3 TECHNOLOGY DESCRIPTION Z The FLC21-135A has been especially developed Th for capacitance discharge operation. The main D applications are: fuel ignitors, fuel or gas heaters, gas ranges, cooker tops, barbecues, water R heaters, HVACs, portable ignitors, insect killers. Based on STs ASD technology, it provides a fully integrated function, with high performance and reliability levels, adapted to severe and hot pin 1 temperature environment. pin 2 not connected The typical supply of the FLC21-135A fire lighter circuit is a DC battery or the AC mains. Th: Thyristor for the switching operation. DEVICE Z: Zener diode to set the igniting threshold voltage. APPLICATION MODE TYPE D: Diode for the reverse conduction. FLC21-135A BATTERY Ignition R:2k resistor. OPERATION July 2003 - Ed: 6D 1/6FLC21-135A ABSOLUTE RATINGS (limiting values) Symbol Parameter Value Unit Repetitive surge peak on state current for thyristor I tp=10s 90 A TRM -30C Tamb 120C ( note 1) I Repetitive surge peak on state current for diode FRM -30C Tamb 120C dI/dt Critical rate of rise on state current -30C Tamb 120C 50 A/s Tstg Storage junction temperature range -40to+150 C Tj Maximum junction temperature 125 Tamb Operating temperature range -30to+120 C Maximum lead temperature for soldering during 10s T 260 C L Note 1 : Test current waveform 10s 100ms THERMAL RESISTANCE Symbol Parameter Value Unit Rth(j-a) Junction to ambient 150 C/W ORDERING INFORMATION FLC 2 1 - 135 A PACKAGE A: TO92 FIRE LIGHTER CIRCUIT 135: VRM = 135V ITRM = 90A CIRCUIT NUMBER: SCR + diode + Zener + Resistance 2/6