TPS60401DBVT

Product Overview

Category

The TPS60401DBVT belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This product is primarily used as a step-up (boost) voltage regulator. It is designed to efficiently convert a lower input voltage into a higher output voltage, making it suitable for various applications that require higher voltages than what is available from the power source.

Characteristics

• High efficiency: The TPS60401DBVT offers high conversion efficiency, ensuring minimal power loss during voltage conversion.
• Low quiescent current: It has a low quiescent current, which helps in conserving power when the load is light or idle.
• Adjustable output voltage: The output voltage can be adjusted using external resistors, providing flexibility in meeting specific application requirements.
• Overcurrent protection: The device incorporates overcurrent protection, safeguarding against excessive current flow and potential damage to the circuitry.

Package and Quantity

The TPS60401DBVT comes in a small SOT-23-5 package, which is a surface-mount package with five pins. It is supplied in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 1.8V to 5.5V
• Output Voltage Range: Adjustable from 2.5V to 5.5V
• Maximum Output Current: 60mA
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 90%

Pin Configuration

The TPS60401DBVT has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable (active high) --| FB SW |-- Pin 3: Feedback/Input Voltage --| NC NC |-- Pin 4: No Connection --| VDD NC |-- Pin 5: No Connection |___________| ```

Functional Features

• High Efficiency: The TPS60401DBVT utilizes a synchronous rectification topology, resulting in high conversion efficiency.
• Low Quiescent Current: With its low quiescent current, the device minimizes power consumption during light load conditions.
• Soft Start: The regulator incorporates a soft-start feature that limits the inrush current during startup, preventing excessive stress on the components.
• Overcurrent Protection: The TPS60401DBVT includes overcurrent protection, shutting down the device if the output current exceeds the specified limit.
• Enable Pin: The enable pin allows for easy control of the regulator's operation. When the enable pin is low, the device enters a low-power shutdown mode.

Advantages and Disadvantages

Advantages

• High conversion efficiency ensures minimal power loss.
• Adjustable output voltage provides flexibility for various applications.
• Overcurrent protection safeguards against potential damage.
• Soft-start feature prevents excessive inrush current during startup.

Disadvantages

• Limited maximum output current of 60mA may not be suitable for high-power applications.
• SOT-23-5 package may require surface-mount soldering expertise.

Working Principles

The TPS60401DBVT operates as a step-up voltage regulator using a boost converter topology. It employs an internal switch to control the energy transfer from the input to the output. During operation, the input voltage is switched at a high frequency, which is then stepped up to the desired output voltage level. The feedback pin monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output voltage.

Application Field Plans

The TPS60401DBVT finds applications in various fields, including but not limited to: - Battery-powered devices requiring higher voltages, such as portable audio players and handheld instruments. - LCD displays and backlighting circuits. - Sensor modules that require higher supply voltages. - Wireless communication devices. - Industrial automation systems.

Alternative Models

For those seeking alternative models with similar functionality, the following options can be considered: - TPS61040DBVR - TPS61220DCKR - TPS61300YFFT

These alternatives offer comparable features and specifications, providing flexibility for different design requirements.

In conclusion, the TPS60401DBVT is a highly efficient step-up voltage regulator with adjustable output voltage and overcurrent protection. Its compact package and versatile applications make it an ideal choice for various electronic devices and systems.