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L484D1 Datasheet PDF

STMicroelectronics L484D1

the L484 to various pickup types.
Part No. L484D1
Datasheet L484D1 Download
Manufacturer
STMicroelectronics
Description MAGNETIC PICKUP IGNITION CONTROLLER
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L484D1 datasheet page 1 preview

DESCRIPTION

The L484 is an integrated circuit designed for use with an NPN darlington in breakerless ignition systems with magnetic pickup sensors and high energy ignition coils. A key feature of the L484 is flexibility. It can be used with a wide variety of magneticsensors thanks to the BLOCK DIAGRAM DIP16 SO16 ORDERING NUMBERS : L484 (DIP16) L484D1 (SO16) November 1991 1/11 L484

ABSOLUTE MAXIMUM RATINGS

Symbol VR VD Ptot Tj, Tstg Reverse Battery Voltage Dump Voltage Power Dissipation at Tamb = 90°C Junction and Storage Temperature Range Parameter Value – 14 100 0.75 – 55 to 150 Unit V V W °C PIN CONNECTION THERMAL DATA Symbol Rth j-amb R th j-al Parameter Thermal Resistance Junction-ambient (DIP16) Thermal Resistance Junction-alumina (SO16 ) Max Max Value 80 50 Unit °C/W °C/W 2/11 L484 PIN FUNCTIONS (refer to fig. 2) N° 1 Name CURRENT SENSING INPUT Function Connection for Coil Current Limitation. The current is measured on the sense resistor R SENS and divided on R1/R2. The current limitation value is given by : R1 + R2 ISENS = R SENS R2 Magnetic Pickup Signal Input.
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