TLE4274DV50T

Current - Output:	400mA
Base Part Number:	TLE4274
Supplier Device Package:	PG-TO252-3
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Short Circuit
Control Features:	--
PSRR:	60dB (100Hz)
Current - Supply (Max):	30mA
Current - Quiescent (Iq):	220µA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	0.5V @ 250mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	40V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Introduction to TLE4274DV50T

The TLE4274DV50T is a low drop-out linear regulator manufactured by Infineon Technologies. It is a versatile, low noise, low-cost solution housed in a small SOT223-6 package that is suitable for many applications. The TLE4274DV50T is suitable for use in power management, especially in automotive, industrial, and consumer applications. This device offers adjustable output voltage, low particular-discharge current, and regulated voltage. It provides excellent ESD and surge protection, and is compliant with IEC 61000-4-2, the international standard for electrostatic discharge (ESD) immunity.

Application Field of TLE4274DV50T

The TLE4274DV50T is designed for automotive, industrial, and consumer applications. It provides excellent ESD protection and surge protection, making it a reliable solution for low voltage applications. It is ideal for microprocessors, digital signal processors, memory, LED lighting, small appliances, sensors, and microcontroller-based systems. In addition, the TLE4274DV50T is recommended for applications such as powering low-voltage logic circuitry, industrial and automation systems, security systems, safety systems, and telecommunication infrastructure.

Working Principle of TLE4274DV50T

The TLE4274DV50T works by converting an input voltage directly to an output voltage within its specified range, usually below the input voltage. This low drop-out regulator draws a steady current from the input to maintain a constant output voltage. The device features ON/OFF control, short-circuit protection, over-voltage protection, and under-voltage lockout. During ON state, the device operates in a linear mode, drawing a certain amount of current from the input source and generating a regulated voltage on the output side. When the output voltage drops below a certain threshold, the device will enter into the OFF state and shut down, reducing the consumption of current. During OFF state, the device will automatically restart the process when the output voltage reaches the reset threshold.

Conclusion

The TLE4274DV50T is an advanced low drop-out linear regulator that provides an excellent power solution for automotive, industrial and consumer applications. The device’s versatility and protection circuits make it a reliable choice for a wide variety of power applications. In addition, the device features low voltage, low noise, and adjustable output voltage, suitable for powering low-voltage logic circuitry, industrial and automation systems and other microcontroller-based systems.

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