TC1303A-ZS0EUN

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: SOT-23-5
• Essence: Efficient voltage regulation for various electronic devices
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1303A-ZS0EUN is a 5-pin device with the following pin configuration:

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

Functional Features

• Low dropout voltage for efficient power management
• Wide input voltage range allows compatibility with various power sources
• Adjustable output voltage for flexibility in different applications
• Low quiescent current for improved energy efficiency
• Thermal shutdown and current limit protection for enhanced reliability

Advantages and Disadvantages

Advantages: - High efficiency voltage regulation - Compact SOT-23-5 package for space-constrained designs - Wide input voltage range for versatile applications - Low quiescent current for improved battery life - Built-in protection features for increased reliability

Disadvantages: - Maximum output current limited to 300mA - Dropout voltage of 200mV may not be suitable for ultra-low power applications

Working Principles

The TC1303A-ZS0EUN is a low dropout voltage regulator that ensures a stable output voltage despite variations in the input voltage. It achieves this by using an internal pass transistor to regulate the voltage drop between the input and output.

When the input voltage exceeds the desired output voltage, the regulator reduces the voltage difference across the pass transistor, resulting in a lower dropout voltage. This allows the device to maintain a stable output voltage even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The TC1303A-ZS0EUN can be used in various electronic devices that require efficient voltage regulation. Some potential application fields include:

1. Portable Electronics: Smartphones, tablets, portable media players
2. Wearable Devices: Fitness trackers, smartwatches
3. IoT Devices: Sensors, wireless modules
4. Battery-Powered Systems: Handheld instruments, remote controls
5. Automotive Electronics: Infotainment systems, navigation devices

Detailed and Complete Alternative Models

• TC1303A-ZS0EMF: Similar specifications, but with a different package (DFN-6)
• TC1303A-ZS0EUA: Higher maximum output current (500mA), same package (SOT-23-5)
• TC1303A-ZS0EUK: Lower quiescent current (25µA), same package (SOT-23-5)

These alternative models provide options based on specific requirements or preferences while maintaining similar functionality.

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