TCR2EE28,LM(CT) - English Editing Encyclopedia Entry

Product Overview

Category

The TCR2EE28,LM(CT) belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• The TCR2EE28,LM(CT) is a low-dropout (LDO) voltage regulator.
• It operates with an input voltage range of 1.8V to 6.0V.
• The output voltage can be set to 2.8V.
• It has a maximum output current of 300mA.
• This regulator offers high accuracy and low quiescent current.

Package

The TCR2EE28,LM(CT) comes in a small surface-mount package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage to electronic devices.

Packaging/Quantity

The TCR2EE28,LM(CT) is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 1.8V to 6.0V
• Output Voltage: 2.8V
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30μA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.5% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TCR2EE28,LM(CT) has the following pin configuration:

• Pin 1: VIN (Input Voltage)
• Pin 2: GND (Ground)
• Pin 3: VOUT (Output Voltage)

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High accuracy and low quiescent current make it suitable for battery-powered devices.
• Built-in overcurrent and thermal protection enhance reliability.
• Fast transient response enables stable operation during load changes.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Small package size saves board space in compact designs.
• Low quiescent current prolongs battery life in portable applications.
• Excellent line and load regulation ensure stable output voltage.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Dropout voltage of 200mV may affect efficiency in low-voltage systems.

Working Principles

The TCR2EE28,LM(CT) 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 and adjusts the pass transistor to maintain a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The TCR2EE28,LM(CT) finds applications in various electronic devices, including but not limited to: 1. Mobile phones and smartphones 2. Portable media players 3. Wireless communication modules 4. Battery-powered IoT devices 5. Wearable electronics 6. Automotive electronics 7. Industrial control systems

Detailed and Complete Alternative Models

1. TCR2EF28,LM(CT)

   • Output Voltage: 2.8V
   • Maximum Output Current: 500mA
   • Dropout Voltage: 150mV (typical)

2. TCR2EG28,LM(CT)

   • Output Voltage: 2.8V
   • Maximum Output Current: 800mA
   • Dropout Voltage: 100mV (typical)

3. TCR2EH28,LM(CT)

   • Output Voltage: 2.8V
   • Maximum Output Current: 1A
   • Dropout Voltage: 80mV (typical)

These alternative models offer higher output current and lower dropout voltage, catering to different power requirements.

In conclusion, the TCR2EE28,LM(CT) is a low-dropout voltage regulator that provides stable and regulated voltage for electronic devices. Its compact size, wide input voltage range, and low quiescent current make it suitable for various applications. However, its limited maximum output current and dropout voltage may restrict its use in high-power or low-voltage systems.