MCP1754T-3302E/OT

Product Overview

Category

The MCP1754T-3302E/OT 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 16V
• Output Voltage: 3.3V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 210mV at 100mA
• Low Quiescent Current: 120µA (typical)
• High PSRR: 70dB at 1kHz
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• SOT-23-3 Package

Packaging/Quantity

The MCP1754T-3302E/OT is available in a SOT-23-3 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 3.3V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 210mV at 100mA
• 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
• Package Type: SOT-23-3

Detailed Pin Configuration

The MCP1754T-3302E/OT has three pins:

1. VIN: Input voltage pin.
2. VOUT: Output voltage pin.
3. GND: Ground pin.

Functional Features

• Low Dropout Voltage: The MCP1754T-3302E/OT exhibits a low dropout voltage of 210mV at 100mA, ensuring efficient regulation even with small input-output differentials.
• Low Quiescent Current: With a typical quiescent current of 120µA, the regulator minimizes power consumption when in standby or idle mode.
• 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.
• Thermal Shutdown Protection: The MCP1754T-3302E/OT incorporates thermal shutdown protection to prevent damage due to excessive temperature.
• Short Circuit Current Limiting: It features short circuit current limiting to protect the device and the connected circuitry from excessive current.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited maximum output current of 150mA may not be suitable for high-power applications.
• SOT-23-3 package may limit heat dissipation capabilities in certain scenarios.

Working Principles

The MCP1754T-3302E/OT 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 stable output voltage, regardless of changes in the input voltage or load conditions. The regulator uses feedback control to continuously monitor and adjust the output voltage.

Detailed Application Field Plans

The MCP1754T-3302E/OT finds applications in various electronic systems where stable and regulated voltage is required. Some of the common application fields include:

1. Battery-powered devices: The regulator can be used in portable electronic devices, such as smartphones, tablets, and wearable devices, to ensure a stable power supply.
2. Industrial control systems: It can be employed in industrial control systems to regulate voltage for sensors, actuators, and other components.
3. Automotive electronics: The MCP1754T-3302E/OT can be utilized in automotive applications, such as infotainment systems, dashboard displays, and lighting control modules.
4. IoT devices: It is suitable for Internet of Things (IoT) devices that require efficient voltage regulation in constrained power environments.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MCP1754T-3302E/OT are:

1. LM1117-3.3: A popular voltage regulator with an output voltage of 3.3V and a maximum output current of 800mA.
2. LT1763: A low dropout linear regulator with a fixed output voltage of 3.3V and a maximum output current of 500