TC1273-15ENBTR

Product Overview

Category

TC1273-15ENBTR belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 1.5V
• Maximum Output Current: 250mA
• Low Dropout Voltage: 160mV at 100mA
• Low Quiescent Current: 30µA
• Thermal Shutdown Protection
• Short-Circuit Current Limiting
• Reverse Battery Protection
• Small Package Size: SOT-23-5

Package and Quantity

TC1273-15ENBTR is available in a SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 1.5V
• Output Current: Up to 250mA
• Dropout Voltage: 160mV at 100mA
• Quiescent Current: 30µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-5

Pin Configuration

The TC1273-15ENBTR has the following pin configuration:

```

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| | --| VOUT|-- --| GND |-- --| VIN |-- |____| ```

Functional Features

• Voltage Regulation: The TC1273-15ENBTR provides a stable output voltage of 1.5V, regardless of input voltage fluctuations.
• Low Dropout Voltage: With a dropout voltage as low as 160mV at 100mA, it ensures efficient power conversion even with small input-output voltage differentials.
• Low Quiescent Current: The device has a low quiescent current of 30µA, minimizing power consumption in standby or idle modes.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection to prevent damage due to excessive temperature.
• Short-Circuit Current Limiting: The regulator limits the output current in case of a short circuit, protecting the circuitry from damage.
• Reverse Battery Protection: TC1273-15ENBTR features reverse battery protection, safeguarding against accidental reverse polarity connections.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage ensures efficient power conversion.
• Small package size enables space-saving designs.
• Thermal shutdown protection prevents overheating.
• Reverse battery protection avoids damage from incorrect connections.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Output voltage fixed at 1.5V, limiting flexibility in certain scenarios.

Working Principles

The TC1273-15ENBTR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 1.5V. The device operates by dissipating excess energy as heat to ensure the desired output voltage is maintained.

Detailed Application Field Plans

TC1273-15ENBTR finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Automotive electronics - Industrial control systems

Alternative Models

There are several alternative models available in the market that offer similar functionality to TC1273-15ENBTR. Some notable alternatives include: - LM1117-1.5: A popular voltage regulator with a fixed 1.5V output. - MCP1703: Another low dropout voltage regulator suitable for various applications. - LP2985: A family of ultra-low quiescent current linear regulators.

These alternative models provide options for designers based on specific requirements and preferences.

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