MCP1755S-1802E/DB

Product Overview

Category

The MCP1755S-1802E/DB belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• High precision: The MCP1755S-1802E/DB offers high accuracy in voltage regulation, ensuring stable and reliable performance.
• Low dropout voltage: With a low dropout voltage, this voltage regulator can operate efficiently even when the input voltage is close to the output voltage.
• Low quiescent current: The device consumes minimal current when in standby mode, making it suitable for battery-powered applications.
• Thermal shutdown protection: The MCP1755S-1802E/DB incorporates thermal shutdown protection to prevent damage due to excessive heat.

Package

The MCP1755S-1802E/DB is available in a compact surface-mount package, which facilitates easy integration into various circuit designs.

Essence

The essence of the MCP1755S-1802E/DB lies in its ability to provide precise and stable voltage regulation, ensuring optimal performance of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of MCP1755S-1802E/DB voltage regulators.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 1.8V
• Maximum Output Current: 300mA
• Dropout Voltage: 210mV (typical)
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1755S-1802E/DB has the following pin configuration:

• Pin 1: VIN (Input Voltage)
• Pin 2: GND (Ground)
• Pin 3: VOUT (Output Voltage)

Functional Features

• Voltage Regulation: The MCP1755S-1802E/DB ensures a stable output voltage of 1.8V, regardless of variations in the input voltage.
• Current Limiting: This voltage regulator incorporates current limiting protection to prevent excessive current flow and protect connected devices.
• Thermal Shutdown: In case of excessive heat, the device activates thermal shutdown protection, safeguarding it from damage.

Advantages and Disadvantages

Advantages

• High precision voltage regulation
• Low dropout voltage for efficient operation
• Low quiescent current for power-saving applications
• Thermal shutdown protection for enhanced reliability

Disadvantages

• Limited maximum output current (300mA)
• Restricted input voltage range (2.7V to 16V)

Working Principles

The MCP1755S-1802E/DB operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 1.8V. This is achieved by controlling the pass transistor, which regulates the voltage across the load.

Detailed Application Field Plans

The MCP1755S-1802E/DB finds application in various electronic systems that require precise voltage regulation. Some potential application fields include:

1. Battery-powered devices: This voltage regulator can be used in portable electronics such as smartphones, tablets, and wearable devices to ensure stable power supply.
2. Industrial automation: The MCP1755S-1802E/DB can be employed in industrial control systems, PLCs, and motor drives to provide reliable voltage regulation.
3. Automotive electronics: This voltage regulator is suitable for automotive applications, including infotainment systems, navigation devices, and engine control units.
4. IoT devices: With its low quiescent current and compact package, the MCP1755S-1802E/DB is ideal for IoT devices that operate on limited power sources.

Detailed and Complete Alternative Models

1. LM1117-1.8: This voltage regulator offers similar specifications and performance to the MCP1755S-1802E/DB.
2. LT1763-1.8: Another alternative model with comparable characteristics and functionality.
3. ADP3339-1.8: This voltage regulator provides a reliable alternative for applications requiring 1.8V output voltage.

In conclusion, the MCP1755S-1802E/DB is a high-precision voltage regulator that ensures stable and reliable voltage regulation in various electronic systems. With its low dropout voltage, low quiescent current, and thermal shutdown protection, it offers several advantages for different application fields. However, it has limitations in terms of maximum output current and input voltage range.