TPS78225DDCR

Product Overview

Category

The TPS78225DDCR belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate voltage levels and ensure stable power supply to various components.

Characteristics

• High efficiency: The TPS78225DDCR offers high efficiency, minimizing power loss during voltage regulation.
• Low dropout voltage: It has a low dropout voltage, enabling it to maintain a stable output even when the input voltage is close to the desired output voltage.
• Wide input voltage range: This voltage regulator can handle a wide range of input voltages, making it versatile for different applications.
• Low quiescent current: The TPS78225DDCR has a low quiescent current, reducing power consumption when the load is light.

Package

The TPS78225DDCR comes in a small form factor package, specifically the DDC (SOT-23) package. This package is suitable for space-constrained applications.

Essence

The essence of the TPS78225DDCR lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

The TPS78225DDCR is typically available in reels containing a specific quantity of units. The exact quantity may vary depending on the manufacturer or supplier.

Specifications

• Input Voltage Range: 2.7V to 6.5V
• Output Voltage: 2.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TPS78225DDCR has three pins:

1. VIN: This pin is used to connect the input voltage source.
2. GND: This pin is connected to the ground reference.
3. VOUT: The regulated output voltage is obtained from this pin.

Functional Features

• Voltage Regulation: The TPS78225DDCR regulates the input voltage to provide a stable output voltage of 2.5V.
• Overcurrent Protection: It incorporates overcurrent protection to safeguard the circuit and connected components.
• Thermal Shutdown: In case of excessive temperature, the TPS78225DDCR has built-in thermal shutdown protection to prevent damage.
• Short-Circuit Protection: It includes short-circuit protection to prevent damage due to accidental short circuits.

Advantages and Disadvantages

Advantages

• High efficiency ensures minimal power loss.
• Low dropout voltage allows for stable output even with low input voltages.
• Wide input voltage range provides versatility in various applications.
• Small form factor package suits space-constrained designs.
• Overcurrent, thermal shutdown, and short-circuit protections enhance reliability.

Disadvantages

• Limited maximum output current (150mA) may not be suitable for high-power applications.
• Fixed output voltage (2.5V) restricts flexibility in certain scenarios.

Working Principles

The TPS78225DDCR operates based on a linear voltage regulation principle. It utilizes a feedback mechanism to compare the output voltage with a reference voltage. Any deviation from the desired output voltage is corrected by adjusting the internal circuitry to maintain a stable output.

Detailed Application Field Plans

The TPS78225DDCR finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - IoT (Internet of Things) devices - Automotive electronics

Detailed and Complete Alternative Models

1. TPS78225DDCT: Similar to TPS78225DDCR, but available in a different package (SOT-223).
2. TPS78225EVM-579: Evaluation module for the TPS78225DDCR, providing a convenient platform for testing and prototyping.
3. TPS78225DRVR: Another variant of the TPS78225 with a different pin configuration (SON-6 package).

These alternative models offer similar functionality and characteristics to the TPS78225DDCR, providing options for different design requirements.

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