TC1303B-AG0EMFTR

Product Overview

Category: Integrated Circuits (ICs)

Use: Power Management IC

Characteristics: - Low Dropout Voltage Regulator - Adjustable Output Voltage - Low Quiescent Current - Thermal Shutdown Protection - Overcurrent Protection

Package: SOT-23-5

Essence: The TC1303B-AG0EMFTR is a low dropout voltage regulator designed for power management applications. It provides a stable output voltage with low quiescent current, making it suitable for battery-powered devices.

Packaging/Quantity: The TC1303B-AG0EMFTR is available in a SOT-23-5 package and is typically sold in reels of 3000 units.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TC1303B-AG0EMFTR has the following pin configuration:

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| | --| VOUT|-- Pin 1 --| GND |-- Pin 2 --| VIN |-- Pin 3 --| EN |-- Pin 4 --| FB |-- Pin 5 |____| ```

Functional Features

• Low Dropout Voltage: The TC1303B-AG0EMFTR has a low dropout voltage of only 200mV at 100mA load, ensuring efficient power conversion.
• Adjustable Output Voltage: The output voltage can be adjusted from 1.2V to 5.5V, providing flexibility for various applications.
• Low Quiescent Current: With a typical quiescent current of only 40µA, the regulator minimizes power consumption in standby mode.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection, preventing damage due to excessive temperature.
• Overcurrent Protection: The TC1303B-AG0EMFTR features overcurrent protection, safeguarding the circuit from excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - Adjustable output voltage provides flexibility. - Low quiescent current minimizes power consumption. - Thermal shutdown and overcurrent protection enhance reliability.

Disadvantages: - Limited input voltage range (2.5V to 6.0V). - SOT-23-5 package may require additional space on the PCB.

Working Principles

The TC1303B-AG0EMFTR is a linear voltage regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to adjust the pass transistor's conduction, maintaining a stable output voltage. The enable pin (EN) allows the regulator to be turned on or off as needed.

Detailed Application Field Plans

The TC1303B-AG0EMFTR is commonly used in various battery-powered devices, such as: 1. Portable electronic devices (e.g., smartphones, tablets) 2. Wearable devices (e.g., smartwatches, fitness trackers) 3. Wireless communication modules 4. Industrial sensors and control systems 5. Automotive electronics

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable Linear Voltage Regulator, TO-220 package
2. LT1763CS8-3.3: Low Dropout Regulator, SOT-223 package
3. TPS7A4700: High-Voltage Low Dropout Regulator, VSON package
4. MCP1702-5002E/TO: Low Quiescent Current LDO Regulator, TO-92 package
5. MAX603CPA: Precision Voltage Reference and Regulator, DIP-8 package

These alternative models offer similar functionality and can be considered as substitutes for the TC1303B-AG0EMFTR in different applications.

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