TC1303B-AG0EMF

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 and Short Circuit Protection

Package: SOT-23-5

Essence: The TC1303B-AG0EMF 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-AG0EMF is available in a SOT-23-5 package. Each package contains one unit of the IC.

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
• Maximum Output Current: 250mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TC1303B-AG0EMF has a total of five pins arranged as follows:

┌───┐ V IN │1 2│ GND V OUT│3 4│ EN NC │5 6│ └───┘

1. VIN: Input Voltage Pin
2. GND: Ground Pin
3. VOUT: Output Voltage Pin
4. EN: Enable Pin
5. NC: No Connection

Functional Features

• Low Dropout Voltage: The TC1303B-AG0EMF maintains a low dropout voltage of only 200mV at 100mA output current, ensuring efficient power conversion.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.2V to 5.5V, providing flexibility for various applications.
• Low Quiescent Current: With a quiescent current of only 40µA, the IC minimizes power consumption in standby mode, prolonging battery life.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection, preventing damage due to excessive temperature.
• Overcurrent and Short Circuit Protection: The TC1303B-AG0EMF features built-in overcurrent and short circuit protection, safeguarding the circuitry from potential damage.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - Adjustable output voltage provides flexibility for different applications. - Low quiescent current minimizes power consumption. - Thermal shutdown protection prevents damage from overheating. - Overcurrent and short circuit protection enhances circuit safety.

Disadvantages: - Limited maximum output current of 250mA may not be suitable for high-power applications. - SOT-23-5 package may require additional space on the PCB compared to smaller packages.

Working Principles

The TC1303B-AG0EMF is a linear voltage regulator that operates by maintaining a constant voltage difference between the input and output pins. It uses a pass transistor to regulate the output voltage based on the feedback received from an internal error amplifier. The device adjusts the pass transistor's resistance to maintain the desired output voltage, compensating for changes in load conditions and input voltage.

Detailed Application Field Plans

The TC1303B-AG0EMF is widely used in various battery-powered devices and portable electronics, including:

1. Mobile Phones
2. Tablets
3. Portable Media Players
4. Digital Cameras
5. Handheld Gaming Consoles
6. Wearable Devices

Its low dropout voltage, adjustable output voltage, and low quiescent current make it suitable for applications where power efficiency and battery life are crucial.

Detailed and Complete Alternative Models

1. TC1303B-AG0EMF-2.8V: Similar to the TC1303B-AG0EMF but with a fixed output voltage of 2.8V.
2. TC1303B-AG0EMF-3.3V: Similar to the TC1303B-AG0EMF but with a fixed output voltage of 3.3V.
3. TC1303B-AG0EMF-ADJ: Similar to the TC1303B-AG0EMF but with an adjustable output voltage range of 0.8V to 5.5V.

These alternative models provide options for specific voltage requirements in different applications.

In conclusion, the TC1303B-AG0EMF is a versatile low dropout voltage regulator that offers efficient power management for battery-powered devices. Its adjustable output voltage, low quiescent current, and built-in protection