Datasheet > ELM413

ELM413

更新时间： 2024-11-22 21:55:23

品牌	Logo	应用领域
其他 - ETC		控制器
页数	文件大小	规格书
4页	29K
描述
LED controller and a circuit startup timer in an 8 pin package

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ELM413 数据手册

ELM413

LED Driver

Description

Features

The ELM413 is both an LED controller and a

• Low power CMOS design - typically 1mA at 5V

• Operates over a supply range of 3.0 to 5.5 volts

• Schmitt trigger controlled operation

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.

• 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

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.

Connection Diagram

PDIP and SOIC

(top view)

The duration of the warmup period is selected

by logic levels on two input pins, providing four

discrete time intervals. All circuit timing is derived

from internal circuitry, and no additional timing

components are required for circuit operation.

VDD

AuxOut

VSS

Red

Applications

Green

Trigger

• Pilot ‘lamp’ circuits

• Sequentially enabled systems

• Delay on operate circuits

• Audio amplifier power managers

• Monostable (one-shot) circuits

Block Diagram

Trigger

Red

Green

Warmup Period

Control

and

Timing

Period

0.1 sec

0.5 sec

1 sec

Flasher

AuxOut

5 sec

ELM413DSA

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