MCP1754T-3302E/DC

Product Overview

Category

The MCP1754T-3302E/DC belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 3.6V to 16V
• Output Voltage: 3.3V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 210mV (typical)
• Low Quiescent Current: 120µA (typical)
• High PSRR: 70dB at 1kHz (typical)
• Thermal Shutdown Protection
• Short-Circuit Current Limiting
• Available in SOT-23 package

Package and Quantity

The MCP1754T-3302E/DC is available in a SOT-23 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 3.6V to 16V
• Output Voltage: 3.3V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 210mV (typical) at 100mA load
• Quiescent Current: 120µA (typical)
• Line Regulation: 0.04%/V (typical)
• Load Regulation: 0.1% (typical)
• Ripple Rejection: 70dB at 1kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MCP1754T-3302E/DC has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Low Dropout Voltage: The MCP1754T-3302E/DC exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: With a low quiescent current, the regulator minimizes power consumption when the load is light or idle.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection, preventing damage due to excessive temperature.
• Short-Circuit Current Limiting: It features short-circuit current limiting, protecting the regulator and the connected circuitry from excessive current.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient regulation.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents damage from overheating.
• Short-circuit current limiting protects the regulator and connected circuitry.

Disadvantages

• Limited maximum output current of 150mA may not be suitable for high-power applications.
• SOT-23 package may require additional heat dissipation measures in certain scenarios.

Working Principles

The MCP1754T-3302E/DC is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage derived from the output. Any difference between the two voltages is amplified and used to adjust the pass transistor, maintaining a stable output voltage.

Detailed Application Field Plans

The MCP1754T-3302E/DC finds applications in various electronic systems where a regulated voltage supply is required. Some potential application fields include:

1. Battery-powered devices: The low dropout voltage and low quiescent current make it suitable for battery-powered applications such as portable electronics, IoT devices, and wearables.
2. Embedded systems: It can be used in embedded systems, microcontrollers, and other digital circuits that require a stable power supply.
3. Communication equipment: The regulator can be employed in communication devices, routers, and networking equipment to ensure reliable voltage regulation.

Detailed and Complete Alternative Models

1. MCP1700T-3302E/DC: Similar to the MCP1754T-3302E/DC, this model offers a 3.3V output voltage with a maximum output current of 250mA.
2. MCP1825S-3302E/DC: This alternative model provides a higher maximum output current of 500mA while maintaining a 3.3V output voltage.

These alternative models offer different specifications and may be suitable for specific applications based on their requirements.

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