MCP1725T-0802E/MC

Product Overview

Category

The MCP1725T-0802E/MC belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 6.0V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 500mA
• Low Dropout Voltage: 210mV at 500mA
• Low Quiescent Current: 120µA
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• Stable with Ceramic Capacitors
• Small Package Size: SOT-23-5

Packaging/Quantity

The MCP1725T-0802E/MC is available in a small SOT-23-5 package. It is typically sold in reels or tubes, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 6.0V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 210mV at 500mA
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-5

Detailed Pin Configuration

The MCP1725T-0802E/MC has five pins arranged as follows:

```

---

| | |____| | | || | | | | |_____|

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

Functional Features

• Low Dropout Voltage: The MCP1725T-0802E/MC exhibits a low dropout voltage of only 210mV at a maximum output current of 500mA. This ensures efficient regulation even when the input voltage is close to the desired output voltage.

• Thermal Shutdown Protection: The voltage regulator incorporates thermal shutdown protection, which prevents damage due to excessive temperature. It automatically shuts down when the junction temperature exceeds a safe threshold.

• Short Circuit Current Limiting: To protect the circuit from damage in case of a short circuit, the MCP1725T-0802E/MC limits the output current to a safe level.

• Stable with Ceramic Capacitors: The voltage regulator is designed to be stable with ceramic capacitors, which are widely used in modern electronic circuits. This allows for cost-effective and compact designs.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient regulation.
• Thermal shutdown protection prevents damage from excessive temperature.
• Short circuit current limiting protects the circuit.
• Stable operation with ceramic capacitors allows for cost-effective designs.

Disadvantages

• Maximum output current limited to 500mA, which may not be sufficient for high-power applications.
• Limited input voltage range of 2.7V to 6.0V.

Working Principles

The MCP1725T-0802E/MC operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to a desired output voltage. The internal circuitry adjusts the output voltage by controlling the pass transistor, ensuring that it remains stable even with varying load conditions.

Detailed Application Field Plans

The MCP1725T-0802E/MC finds applications in various fields, including:

1. Battery-Powered Devices: It is commonly used in portable electronic devices powered by batteries, such as smartphones, tablets, and portable media players.

2. Embedded Systems: The voltage regulator is suitable for use in embedded systems, providing stable power supply to microcontrollers, sensors, and other components.

3. Automotive Electronics: Due to its wide operating temperature range and thermal shutdown protection, the MCP1725T-0802E/MC can be utilized in automotive electronics, including infotainment systems, lighting controls, and engine management systems.

4. Industrial Control Systems: It can be employed in industrial control systems, ensuring reliable and stable power supply to various control modules and sensors.

Detailed and Complete Alternative Models

1. MCP1700: This series of voltage regulators offers similar features and performance but with a lower maximum output current of 250mA.

2. MCP1754: These regulators provide higher maximum output current of up to 1A, making them suitable for applications requiring more power.

3. MCP1702: This series offers a wider input voltage range of 1.6V to 6.0