TC1303A-ZI0EUNTR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• 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: 1.2V to 5.5V
• Dropout Voltage: 200mV at 100mA
• Maximum Output Current: 250mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. VOUT: Output Voltage
5. BYP: Bypass Capacitor

Functional Features

• Low dropout voltage for efficient power management
• Wide input voltage range allows flexibility in power supply selection
• Low quiescent current for power-sensitive applications
• Enable pin for easy on/off control
• Built-in thermal shutdown protection

Advantages

• Compact SOT-23-5 package for space-constrained designs
• Wide input voltage range enables compatibility with various power sources
• Low dropout voltage minimizes power dissipation
• Low quiescent current prolongs battery life
• Thermal shutdown protection prevents damage due to overheating

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• SOT-23-5 package may require additional heat sinking for certain operating conditions

Working Principles

The TC1303A-ZI0EUNTR is a low dropout voltage regulator that provides a stable output voltage despite variations in the input voltage. It achieves this by utilizing a pass transistor that adjusts its resistance to maintain the desired output voltage. The enable pin allows the regulator to be turned on or off, conserving power when not needed. The built-in thermal shutdown protection ensures safe operation by disabling the regulator in case of excessive temperature.

Detailed Application Field Plans

The TC1303A-ZI0EUNTR is commonly used in various battery-powered applications, such as portable devices, wireless communication systems, and handheld instruments. Its low dropout voltage and low quiescent current make it suitable for energy-efficient designs. Additionally, the wide input voltage range allows it to be used with different types of power sources, including batteries and AC adapters.

Detailed and Complete Alternative Models

• TC1303B-ZI0EUNTR: Similar specifications but with a higher maximum output current of 500mA.
• TC1303C-ZI0EUNTR: Similar specifications but with an adjustable output voltage range.
• TC1303D-ZI0EUNTR: Similar specifications but with a fixed output voltage of 3.3V.

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