MCP1755T-3302E/DC

Product Overview

Category

The MCP1755T-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 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 MCP1755T-3302E/DC is available in a SOT-23-3 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 at 100mA
• Quiescent Current: 120µA (typical)
• Line Regulation: 0.04%/V (typical)
• Load Regulation: 0.2% (typical)
• Ripple Rejection: 70dB at 1kHz (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-3

Pin Configuration

The MCP1755T-3302E/DC has three pins arranged as follows:

```

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| | --| V+ |-- --| GND |-- |____| ```

Pin Descriptions: - V+: Input Voltage Pin - GND: Ground Pin - VOUT: Output Voltage Pin

Functional Features

1. Voltage Regulation: The MCP1755T-3302E/DC provides a stable output voltage of 3.3V, regardless of input voltage fluctuations.
2. Low Dropout Voltage: With a dropout voltage of only 210mV at 100mA, the regulator can operate efficiently even with low input-output differentials.
3. Low Quiescent Current: The device has a low quiescent current of 120µA, minimizing power consumption in standby or idle modes.
4. Thermal Shutdown Protection: The regulator incorporates thermal shutdown protection to prevent damage due to excessive temperature.
5. Short Circuit Current Limiting: It features short circuit current limiting to protect the device and connected components from excessive current.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient operation.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents overheating.
• Short circuit current limiting protects the device and connected components.

Disadvantages

• Limited maximum output current of 150mA may not be suitable for high-power applications.
• SOT-23-3 package may require additional space on the PCB compared to smaller packages.

Working Principles

The MCP1755T-3302E/DC is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 3.3V.

Detailed Application Field Plans

The MCP1755T-3302E/DC finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

1. MCP1755T-3302E/MB: Similar specifications and features, but available in a SOT-89 package.
2. MCP1755T-3302E/SN: Similar specifications and features, but available in a SOIC-8 package.
3. MCP1755T-3302E/TT: Similar specifications and features, but available in a DFN-6 package.

These alternative models provide flexibility in terms of package options while maintaining the same functionality as the MCP1755T-3302E/DC.

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