TC1303B-ZG0EMFTR

Product Overview

• Category: Integrated Circuits
• Use: Power Management
• Characteristics:
  • Low Dropout Voltage Regulator
  • Adjustable Output Voltage
  • Low Quiescent Current
  • Thermal Shutdown Protection
• Package: SOT-23-5
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to VIN
• Output Current: 250mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1303B-ZG0EMFTR has a total of five pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. FB (Pin 3): Feedback pin for setting the output voltage.
4. EN (Pin 4): Enable pin for turning the regulator on/off.
5. VOUT (Pin 5): Output voltage pin.

Functional Features

• Low Dropout Voltage: The TC1303B-ZG0EMFTR exhibits a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted within a specified range using an external resistor divider connected to the FB pin.
• Low Quiescent Current: The device consumes minimal current in standby mode, resulting in increased battery life and reduced power consumption.
• Thermal Shutdown Protection: The regulator incorporates thermal shutdown protection, which prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - Adjustable output voltage provides flexibility in various applications. - Low quiescent current extends battery life. - Thermal shutdown protection prevents damage from overheating.

Disadvantages: - Limited output current capability (250mA). - Restricted input voltage range (2.5V to 6.0V).

Working Principles

The TC1303B-ZG0EMFTR is a low dropout voltage regulator that operates by maintaining a constant voltage difference between the input and output terminals. It utilizes a feedback mechanism to adjust the internal pass transistor's resistance, ensuring the desired output voltage is maintained despite variations in the input voltage or load conditions. The device also includes a thermal shutdown circuit that activates when the temperature exceeds a specified threshold, protecting the regulator from damage.

Detailed Application Field Plans

The TC1303B-ZG0EMFTR finds applications in various electronic devices where stable and regulated power supply is required. Some potential application fields include:

1. Battery-Powered Devices:

   • Portable audio players
   • Handheld gaming consoles
   • Wearable devices

2. IoT Devices:

   • Smart home sensors
   • Wireless communication modules
   • Environmental monitoring systems

3. Automotive Electronics:

   • Infotainment systems
   • Dashboard displays
   • Electronic control units (ECUs)

4. Industrial Equipment:

   • Test and measurement instruments
   • Robotics
   • Power management modules

Detailed and Complete Alternative Models

1. TC1262-3.3VDBTR: Fixed output voltage of 3.3V, 500mA output current, SOT-23-5 package.
2. TC1173-1.8VCTTR: Fixed output voltage of 1.8V, 300mA output current, SOT-23-5 package.
3. TC1185-3.3VDBTR: Fixed output voltage of 3.3V, 150mA output current, SOT-23-5 package.
4. TC1262-5.0VDBTR: Fixed output voltage of 5.0V, 500mA output current, SOT-23-5 package.

These alternative models offer similar functionality and are suitable replacements for the TC1303B-ZG0EMFTR in various applications.

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