TCR3UG25A,LF - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)
Use: Voltage Regulator
Characteristics: Low Dropout Linear Regulator
Package: SOT-23-5
Essence: Ultra-Low Quiescent Current
Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Input Voltage Range: 1.8V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 250mA
• Dropout Voltage: 160mV @ 100mA
• Quiescent Current: 1µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.2% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TCR3UG25A,LF is a 5-pin device with the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VIN | Input Voltage | | 2 | GND | Ground | | 3 | EN | Enable Pin (Active High) | | 4 | NC | No Connection | | 5 | VOUT | Output Voltage |

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Ultra-low quiescent current minimizes power consumption in standby mode.
• Excellent line and load regulation for stable output voltage.
• Fast transient response for rapid load changes.
• Built-in overcurrent and thermal protection.

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Small package size enables space-saving designs.
• Low quiescent current prolongs battery life in portable applications.
• High accuracy and stability ensure reliable voltage regulation.
• Robust protection features enhance device durability.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Dropout voltage may cause power dissipation and heat generation.
• No adjustable output voltage option available.

Working Principles

The TCR3UG25A,LF is a low dropout linear regulator that regulates the output voltage by maintaining a constant voltage difference between the input and output. It utilizes a pass transistor to control the flow of current from the input to the output, ensuring a stable output voltage even with varying input voltages and load conditions. The enable pin allows for easy on/off control of the regulator.

Detailed Application Field Plans

The TCR3UG25A,LF finds application in various electronic devices where precise voltage regulation is required. Some potential application fields include: 1. Battery-powered devices such as smartphones, tablets, and portable media players. 2. Wearable devices like smartwatches, fitness trackers, and medical monitors. 3. IoT (Internet of Things) devices, including sensors, actuators, and wireless modules. 4. Automotive electronics, such as infotainment systems, navigation units, and lighting controls. 5. Industrial equipment, including measurement instruments, control systems, and motor drives.

Detailed and Complete Alternative Models

1. TCR3UG25A: Similar to TCR3UG25A,LF but supplied in bulk packaging.
2. TCR3UG25A,LP: Low-profile version of TCR3UG25A,LF with reduced package height.
3. TCR3UG25B,LF: Higher output current variant with a maximum output current of 500mA.
4. TCR3UG25C,LF: Adjustable output voltage version with a voltage range of 0.8V to 5.5V.

Note: The above alternative models are provided for reference and may have slight variations in specifications and pin configuration.

In conclusion, the TCR3UG25A,LF is a low dropout linear regulator that offers efficient voltage regulation with ultra-low quiescent current. Its small package size, wide input voltage range, and robust protection features make it suitable for various applications in consumer electronics, IoT devices, automotive electronics, and industrial equipment.