MCP1755ST-3302E/MC

Product Overview

Category

The MCP1755ST-3302E/MC 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
• High PSRR: 70dB at 1kHz
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• SOT-23-3 Package

Package and Quantity

The MCP1755ST-3302E/MC is available in a SOT-23-3 package. It is typically sold in reels containing a quantity of 3000 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
• Quiescent Current: 120µA (typical)
• Line Regulation: 0.04%/V (typical)
• Load Regulation: 0.2% (typical)
• Ripple Rejection: 70dB (typical) at 1kHz
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-3

Pin Configuration

The MCP1755ST-3302E/MC has three pins arranged as follows:

```

---

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

Pin 1: V+ (Input Voltage) Pin 2: GND (Ground) Pin 3: VOUT (Output Voltage)

Functional Features

• Voltage Regulation: The MCP1755ST-3302E/MC provides a stable output voltage of 3.3V, regardless of variations in the input voltage.
• Low Dropout Voltage: With a dropout voltage of only 210mV at 100mA, the regulator can operate efficiently even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The device consumes only 120µA of current when in standby mode, minimizing power consumption.
• Thermal Shutdown Protection: In case of excessive temperature, the regulator automatically shuts down to prevent damage.
• Short Circuit Current Limiting: The MCP1755ST-3302E/MC has built-in protection against short circuits, ensuring the safety of the circuit.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage ensures efficient operation even with low input voltages.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short circuit current limiting protects the circuit from damage.

Disadvantages

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

Working Principles

The MCP1755ST-3302E/MC operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. The internal circuitry monitors the output voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 3.3V.

Detailed Application Field Plans

The MCP1755ST-3302E/MC can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - Embedded systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MCP1755ST-3302E/MC include: - MCP1700T-3302E/TT: 3.3V voltage regulator with a maximum output current of 250mA. - MCP1826S-3302E/DB: 3.3V voltage regulator with a maximum output current of 500mA. - MCP1702T-3302E/CB: 3.3V voltage regulator with a maximum output current of 250mA and low quiescent current.

These alternative models can be considered based on specific application requirements and desired performance characteristics.

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