TC1017-3.3VLTTR

Product Overview

Category

The TC1017-3.3VLTTR belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.3V
• Maximum Output Current: 100mA
• Low Dropout Voltage: 200mV at 100mA
• Low Quiescent Current: 50µA
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• Small Package Size: SOT-23-5

Package and Quantity

The TC1017-3.3VLTTR is available in a small SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.3V ±2%
• Output Current: Up to 100mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C
• Thermal Shutdown Temperature: 150°C
• Short Circuit Current Limit: 150mA

Pin Configuration

The TC1017-3.3VLTTR has five pins arranged as follows:

```

---

| | --| V+ |-- --| |-- --| GND|-- --| |-- --| Vout|-- |____| ```

Pin Descriptions: - V+: Input Voltage - GND: Ground - Vout: Output Voltage

Functional Features

1. Voltage Regulation: The TC1017-3.3VLTTR provides a stable output voltage of 3.3V, regardless of input voltage fluctuations.
2. Low Dropout Voltage: With a dropout voltage of only 200mV at 100mA, this regulator minimizes power loss and is suitable for low-power applications.
3. Thermal Shutdown Protection: The device includes thermal shutdown protection to prevent damage due to excessive temperature.
4. Short Circuit Current Limiting: It features short circuit current limiting to protect the regulator from damage in case of a short circuit.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Low quiescent current ensures minimal power consumption during standby or idle mode.
• Small package size enables space-saving integration into compact electronic devices.
• Thermal shutdown protection prevents overheating and enhances reliability.

Disadvantages

• Limited maximum output current of 100mA may not be sufficient for high-power applications.
• Dropout voltage of 200mV may affect efficiency in certain scenarios.

Working Principles

The TC1017-3.3VLTTR utilizes a voltage reference, error amplifier, and pass transistor to regulate the output voltage. The input voltage is compared to the reference voltage, and the error amplifier adjusts the pass transistor to maintain a constant output voltage of 3.3V. Feedback mechanisms ensure stability and accuracy.

Application Field Plans

The TC1017-3.3VLTTR finds applications in various electronic systems, including but not limited to: 1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearables benefit from its low quiescent current and small form factor. 2. IoT devices: Internet of Things (IoT) sensors and modules can utilize this voltage regulator for efficient power management. 3. Automotive electronics: It can be employed in automotive applications like infotainment systems, dashboard displays, and control modules. 4. Industrial automation: The regulator can be integrated into industrial control systems, PLCs, and sensor networks.

Alternative Models

1. LM1117-3.3V: A popular alternative with similar specifications and pin configuration.
2. MCP1700-3302E: Another option offering comparable performance and package size.
3. LP2985-33DBVR: This model provides a low dropout voltage and is available in a SOT-23 package.

These alternatives offer similar functionality and can be considered based on specific requirements and availability.

In conclusion, the TC1017-3.3VLTTR is a voltage regulator that provides stable 3.3V output voltage with low dropout and quiescent current. Its small package size and thermal protection make it suitable for various applications in the electronics industry. However, its limited maximum output current and dropout voltage should be considered when selecting this regulator for specific projects.