TLE4274DV50ITJKKNTMA1

Overview

Product Category: Voltage Regulator

Use: The TLE4274DV50ITJKKNTMA1 is a voltage regulator designed to provide a stable output voltage for various electronic devices. It is commonly used in automotive applications, where a reliable power supply is crucial.

Characteristics: - Input Voltage Range: 5.5V to 45V - Output Voltage: 5V - Maximum Output Current: 400mA - Low Dropout Voltage: 100mV at 150mA - Overtemperature Protection - Short Circuit Protection - Reverse Polarity Protection

Package: The TLE4274DV50ITJKKNTMA1 comes in a small surface-mount package, specifically the SOT-223-4 variant. This package offers good thermal performance and ease of integration into circuit boards.

Essence: The essence of the TLE4274DV50ITJKKNTMA1 is to provide a stable and regulated 5V output voltage, ensuring proper operation of electronic devices in automotive systems.

Packaging/Quantity: The TLE4274DV50ITJKKNTMA1 is typically sold in reels or tubes, containing a specified quantity of units per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 5.5V to 45V
• Output Voltage: 5V ±2%
• Output Current: Up to 400mA
• Dropout Voltage: 100mV at 150mA
• Quiescent Current: 80µA
• Operating Temperature Range: -40°C to +150°C
• Package Type: SOT-223-4

Detailed Pin Configuration

The TLE4274DV50ITJKKNTMA1 has four pins, which are as follows:

1. VIN: Input voltage pin. Connects to the power supply.
2. GND: Ground pin. Connected to the common ground of the system.
3. VOUT: Output voltage pin. Provides the regulated 5V output.
4. NC: No connection pin. This pin is not internally connected and should be left unconnected.

Functional Features

• Overtemperature Protection: The TLE4274DV50ITJKKNTMA1 incorporates overtemperature protection, which shuts down the regulator if the temperature exceeds a certain threshold. This protects the device from damage due to excessive heat.
• Short Circuit Protection: In the event of a short circuit on the output, the TLE4274DV50ITJKKNTMA1 limits the current to protect itself and the connected components.
• Reverse Polarity Protection: The regulator is designed to withstand reverse polarity connections, preventing damage to the device in case of incorrect wiring.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for compatibility with various automotive systems. - Low dropout voltage ensures efficient operation even when the input voltage is close to the desired output voltage. - Overtemperature and short circuit protection enhance the reliability and durability of the device. - Reverse polarity protection prevents damage caused by incorrect wiring.

Disadvantages: - Limited output current of 400mA may not be sufficient for high-power applications. - The SOT-223-4 package may require additional thermal considerations for dissipating heat effectively.

Working Principles

The TLE4274DV50ITJKKNTMA1 operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. The internal circuitry monitors the output voltage and adjusts the pass transistor accordingly to maintain a stable 5V output.

Detailed Application Field Plans

The TLE4274DV50ITJKKNTMA1 is commonly used in automotive applications, such as:

1. Automotive Infotainment Systems: It provides a stable power supply for audio amplifiers, display units, and control modules.
2. Engine Control Units (ECUs): The regulator ensures a reliable voltage supply to critical engine control components, such as sensors and actuators.
3. Lighting Systems: It powers various lighting modules, including headlights, taillights, and interior lighting.

Detailed and Complete Alternative Models

1. LM1117-5.0: A popular alternative with similar specifications and package type.
2. LT1763-5: Offers lower dropout voltage and higher output current capability.
3. NCP1117-5: Provides a cost-effective solution with comparable performance.

These alternative models can be considered based on specific application requirements and availability in the market.

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