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ELM413 - LED Driver

Description

The ELM413 is both an LED controller and a circuit startup timer in an 8 pin package.

The high current capabilities of its outputs allow most LEDs to be directly driven, usually only requiring a single current limiting resistor.

Features

  • Low power CMOS design - typically 1mA at 5V Operates over a supply range of 3.0 to 5.5 volts Schmitt trigger controlled operation Requires no external timing components Warmup periods from 0.1 to 5 seconds Auxiliary output active after warmup period High current drive outputs - up to 25 mA Connection Diagram PDIP and SOIC (top view) VDD AuxOut W1 1 2 3 4 8 7 6 5 VSS Red Green Trigger.

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Datasheet Details

Part number ELM413
Manufacturer ELM
File Size 42.12 KB
Description LED Driver
Datasheet download datasheet ELM413 Datasheet
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Full PDF Text Transcription

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ELM413 LED Driver Description The ELM413 is both an LED controller and a circuit startup timer in an 8 pin package. The high current capabilities of its outputs allow most LEDs to be directly driven, usually only requiring a single current limiting resistor. The circuit startup, or warmup feature is useful for allowing a stabilizing time period to pass before enabling other circuits. This type of function is often used in audio amplifier circuits where it is desirable to block the speaker outputs until the amplifier stages have stabilized. This can eliminate the annoying ‘pop’ occasionally heard from audio amplifiers. The duration of the warmup period is selected by logic levels on two input pins, providing four discrete time intervals.
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