TPS2829DBVR

Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - High Output Current - Adjustable Output Voltage - Thermal Shutdown Protection

Package: SOT-23-5

Essence: The TPS2829DBVR is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 500mA
• Output Current: Up to 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TPS2829DBVR has the following pin configuration:

```

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| | --|VOUT|-- --|GND |-- --|EN |-- --|FB |-- --|VIN |-- |____| ```

Functional Features

1. Low Dropout Voltage: The TPS2829DBVR exhibits a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.

2. High Output Current: With a maximum output current of 500mA, this voltage regulator can handle a wide range of applications requiring higher current levels.

3. Adjustable Output Voltage: The output voltage can be easily adjusted within the specified range using external resistors, providing flexibility for different system requirements.

4. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature by disabling the output when the junction temperature exceeds a safe threshold.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability for demanding applications. - Adjustable output voltage provides flexibility. - Thermal shutdown protection prevents damage from overheating.

Disadvantages: - Limited input voltage range (2.7V to 6.5V). - Quiescent current of 75µA may not be suitable for ultra-low-power applications.

Working Principles

The TPS2829DBVR operates as a linear voltage regulator. It regulates the output voltage by comparing a feedback voltage with a reference voltage. The error amplifier adjusts the pass transistor's resistance to maintain the desired output voltage, compensating for load variations and input voltage changes.

Detailed Application Field Plans

The TPS2829DBVR is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include:

1. Portable Devices: This voltage regulator is suitable for powering portable devices such as smartphones, tablets, and portable media players.

2. Wireless Communication Systems: It can be utilized in wireless communication systems, including routers, modems, and IoT devices.

3. Automotive Electronics: The TPS2829DBVR finds applications in automotive electronics, such as infotainment systems, navigation units, and advanced driver-assistance systems (ADAS).

4. Industrial Control Systems: It is well-suited for industrial control systems, including PLCs (Programmable Logic Controllers), motor drives, and factory automation equipment.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package type.
2. MCP1700-3302E/TO: Another alternative offering low dropout voltage and adjustable output voltage.
3. LT1763CS8-3.3: An alternative with a higher output current capability and wider input voltage range.

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

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