L4004D5TP

Series:	--
Packaging:	Tube
Part Status:	Active
Triac Type:	Logic - Sensitive Gate
Voltage - Off State:	400V
Current - On State (It (RMS)) (Max):	4A
Voltage - Gate Trigger (Vgt) (Max):	1.3V
Current - Non Rep. Surge 50, 60Hz (Itsm):	33A, 40A
Current - Gate Trigger (Igt) (Max):	5mA
Current - Hold (Ih) (Max):	10mA
Configuration:	Single
Operating Temperature:	-40°C ~ 110°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:	TO-252, (D-Pak)

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Introduction

Thyristors and TRIACs are a type of semiconductor device whose function is to control the flow of current in an electric circuit. The L4004D5TP is an integrated circuit (IC) version of the TRIAC, which is a four-layer device whose terminals can be used to turn alternating current (AC) on and off. This IC is designed for general purpose, low cost, and low voltage applications and is particularly useful for applications in the automotive industry.

Application Field

The L4004D5TP IC is primarily used in the automotive industry for applications such as window lift systems, power door locks, and chassis control systems. It is also used for multiphase motor speed control and battery charging applications, as well as for controlling lights, fans, pumps, and other AC powered appliances. Furthermore, it can be used to control heaters, lights, and other non-inductive loads in home automation systems. The L4004D5TP IC is an economical solution due to its low voltage and low cost design. Additionally, its operation over a wide range of temperatures and supply voltages (12-42V) makes it an ideal choice for many industrial and automotive applications.

Working Principle

A TRIAC is a four-layer device used to control the flow of current in an AC circuit. The L4004D5TP integrates a TRIAC, as well as a number of other components, into a single IC. The TRIAC consists of two thyristors connected back-to-back, and each thyristor is made up of two PN junctions. When the device is triggered, current can flow through the main and auxiliary terminals. The main terminal is used to control the amount of current that flows through the device and the auxiliary terminal is used to trigger the device. A small current at the auxiliary terminal is sufficient to trigger the device, at which point the current flow between the main terminals is controlled using the gate current, which is typically provided by a resistor. The gate current is used to maintain a small forward current across the two thyristors and keep the device in conduction.Once the current reaches a certain level, the device is cut off and the current flow stops.

Conclusion

The L4004D5TP integrated circuit is a versatile and economical solution for AC power control applications in the automotive and industrial sectors. Its wide range of operating temperatures and voltages, combined with the simple TRIAC switching mechanism, make it the perfect choice for many applications. The L4004D5TP is a reliable and cost effective way to control AC power, and its ability to switch between on and off states has proven to be invaluable for applications requiring precise power control. With its wide range of uses and reliable performance, the L4004D5TP is sure to remain a popular choice for many applications in the future.

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