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L484D1 - MAGNETIC PICKUP IGNITION CONTROLLER

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.

Features

  • of the device include darlington overvoltage protection, dump protection, a supply voltage range of 6-28 V.

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Other Datasheets by STMicroelectronics

Part Number Description
L484 MAGNETIC PICKUP IGNITION CONTROLLER
L4805 VERY LOWDROP VOLTAGE REGULATORS
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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L484 MAGNETIC PICKUP IGNITION CONTROLLER . . . . . . . . . DIRECT DRIVING OF THE EXTERNAL DARLINGTON OPERATES WITH A WIDE RANGE OF MAGNETIC PICKUP TYPES CHARGING ANGLE (DWELL) CONTROL COIL CURRENT PEAK LIMITATION CONTINUOUS COIL CURRENT PROTECTION TACHOMETER SIGNAL OUTPUT EXTERNAL DARLINGTON OVERVOLTAGE PROTECTION LOAD DUMP AND REVERSE BATTERY PROTECTION POSSIBILITY OF SPARK POINT DELAYING (ANTI KNOCK SYSTEM) special design which has two input pins from the pickup ; the first is the zero crossing detector for the ignition command and the second pin is used to calculate the dwell time. Moreover another pin is used to adapt the L484 to various pickup types. Other features of the device include darlington overvoltage protection, dump protection, a supply voltage range of 6-28 V.
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