TC1303C-ZI0EMF

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current
• Package: SOT-23-5
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 300mA
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage

Functional Features

• High Efficiency: The TC1303C-ZI0EMF utilizes a synchronous buck regulator architecture, providing high efficiency power conversion.
• Low Quiescent Current: With a quiescent current as low as 30µA, the device minimizes power consumption in standby or idle modes.
• Enable Pin: The EN pin allows for easy control of the device's operation, enabling or disabling the voltage regulator as needed.
• Feedback Pin: The FB pin provides feedback to regulate the output voltage, ensuring stable and accurate voltage levels.
• Thermal Shutdown Protection: The TC1303C-ZI0EMF incorporates thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low quiescent current for reduced power consumption - Easy enable/disable control - Stable and accurate output voltage regulation - Thermal shutdown protection

Disadvantages: - Limited maximum output current (300mA)

Working Principles

The TC1303C-ZI0EMF is a voltage regulator that converts an input voltage within the range of 2.5V to 6.0V into a regulated output voltage between 0.8V and 5.5V. It achieves this through a synchronous buck regulator architecture, which efficiently steps down the input voltage to the desired output level.

The device operates by continuously monitoring the output voltage through the feedback pin (FB). If the output voltage deviates from the set value, the regulator adjusts the duty cycle of the internal switches to maintain a stable output voltage.

Additionally, the enable pin (EN) allows for easy control of the device's operation. When the EN pin is high, the regulator is enabled and actively regulates the output voltage. Conversely, when the EN pin is low, the regulator enters a low-power standby mode, reducing quiescent current and minimizing power consumption.

Detailed Application Field Plans

The TC1303C-ZI0EMF is widely used in various applications that require efficient power management. Some potential application fields include:

1. Portable Electronics: The low quiescent current and high efficiency make it suitable for battery-powered devices such as smartphones, tablets, and portable media players.
2. IoT Devices: With its compact package and low power consumption, the TC1303C-ZI0EMF is ideal for IoT devices that operate on limited power sources.
3. Industrial Control Systems: The voltage regulator can be utilized in industrial control systems to provide stable and reliable power supply for sensors, actuators, and other components.
4. Automotive Electronics: The device's wide operating temperature range and thermal shutdown protection make it suitable for automotive applications, including infotainment systems, lighting controls, and more.

Detailed and Complete Alternative Models

1. TC1303C-ZI0EMF-TR: Same specifications and features, but available in a different package (DFN-6).
2. TC1303C-ZI0EMF-TRG: Similar to TC1303C-ZI0EMF-TR, but with an extended operating temperature range (-40°C to +125°C).

These alternative models provide flexibility in terms of package options and extended temperature range for specific application requirements.

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