MCP1725T-3302E/MC

Product Overview

Category

The MCP1725T-3302E/MC belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

• Input Voltage Range: 4.5V to 16V
• Output Voltage: 3.3V
• Maximum Output Current: 500mA
• Low Dropout Voltage: 178mV at 500mA
• Low Quiescent Current: 120µA
• High PSRR: 70dB at 1kHz
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• Available in SOT-23-5 package

Package and Quantity

The MCP1725T-3302E/MC is available in a SOT-23-5 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input Voltage Range: 4.5V to 16V
• Output Voltage: 3.3V ±2%
• Output Current: Up to 500mA
• Dropout Voltage: 178mV (typical) at 500mA
• Quiescent Current: 120µA (typical)
• Power Supply Rejection Ratio (PSRR): 70dB (typical) at 1kHz
• Operating Temperature Range: -40°C to +125°C
• Thermal Shutdown Protection: Yes
• Short Circuit Current Limiting: Yes

Pin Configuration

The MCP1725T-3302E/MC has a total of five pins arranged as follows:

```

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

• VOUT: Output Voltage
• GND: Ground
• VIN: Input Voltage
• NC: No Connection
• EN: Enable Pin

Functional Features

1. Low Dropout Voltage: The MCP1725T-3302E/MC exhibits a low dropout voltage of 178mV at 500mA, ensuring efficient regulation even with small input-output differentials.

2. Low Quiescent Current: With a quiescent current of only 120µA, the regulator minimizes power consumption when in standby or idle mode.

3. High PSRR: The device offers a high Power Supply Rejection Ratio (PSRR) of 70dB at 1kHz, reducing the impact of power supply noise on the output voltage.

4. Thermal Shutdown Protection: The MCP1725T-3302E/MC incorporates thermal shutdown protection, which prevents damage to the device by shutting it down in case of excessive temperature.

5. Short Circuit Current Limiting: It features short circuit current limiting, safeguarding the regulator and the connected circuitry from excessive current flow during a short circuit condition.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient regulation.
• Low quiescent current minimizes power consumption.
• High PSRR reduces the impact of power supply noise.
• Thermal shutdown protection prevents damage due to overheating.
• Short circuit current limiting protects the regulator and connected circuitry.

Disadvantages

• Limited maximum output current of 500mA may not be sufficient for high-power applications.

Working Principles

The MCP1725T-3302E/MC is a linear voltage regulator that operates by comparing the output voltage to a reference voltage. It adjusts the resistance between the input and output to maintain a constant output voltage, compensating for changes in the input voltage and load conditions.

Detailed Application Field Plans

The MCP1725T-3302E/MC finds applications in various fields, including but not limited to: 1. Battery-powered devices 2. Portable electronics 3. Industrial control systems 4. Automotive electronics 5. Communication equipment 6. Medical devices 7. IoT (Internet of Things) devices

Alternative Models

Here are some alternative models that can be considered as alternatives to the MCP1725T-3302E/MC: 1. LM1117-3.3 2. LT1763-3.3 3. TPS79633 4. ADP3339-3.3 5. MAX6033

These models offer similar functionality and specifications, providing options for different design requirements.

In conclusion, the MCP1725T-3302E/MC is a voltage regulator with a wide input voltage range, low dropout voltage, and low quiescent current. It offers thermal shutdown protection and short circuit current limiting. With its versatile applications and alternative models available, it is a reliable choice for various electronic circuits.