TC1303A-SI0EMF

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics:
  • Low Dropout Voltage Regulator
  • High Output Current Capability
  • Small Package Size
  • 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: 1.2V to 5.5V
• Output Current: Up to 300mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1303A-SI0EMF has a total of five pins arranged as follows:

```

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| | --| VOUT GND|-- --| VIN EN |-- --| FB NC |-- |___________| ```

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

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• High output current capability allows for powering a wide range of devices.
• Small package size enables space-saving designs.
• Low quiescent current minimizes power consumption.

Advantages

• Wide input voltage range provides flexibility in various applications.
• Excellent load regulation ensures a stable output voltage.
• Thermal shutdown and current limit protection features enhance reliability.
• Easy to use with minimal external components required.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• SOT-23-5 package may require additional heat dissipation measures in certain cases.

Working Principles

The TC1303A-SI0EMF is a low dropout voltage regulator that maintains a stable output voltage even when the input voltage is close to or below the desired output voltage. It achieves this by utilizing a PNP pass transistor in conjunction with an error amplifier and feedback network. The enable pin allows for easy on/off control of the regulator.

Detailed Application Field Plans

The TC1303A-SI0EMF is commonly used in various battery-powered devices, such as portable electronics, IoT devices, and wireless communication modules. Its low dropout voltage and small package size make it ideal for applications where space and power efficiency are crucial.

Detailed and Complete Alternative Models

1. TC1303B-SI0EMF: Similar specifications but with a different package (SOT-23-6).
2. TC1303C-SI0EMF: Higher output current capability (up to 500mA) with the same package (SOT-23-5).
3. TC1304A-SI0EMF: Lower quiescent current (25µA typical) with the same package (SOT-23-5).

These alternative models offer similar functionality but may have slight differences in specifications or package options.

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