MCP1258-E/UN

Product Overview

• Belongs to: Integrated Circuits (ICs)
• Category: Voltage Regulator
• Use: The MCP1258-E/UN is a voltage regulator designed to provide a stable output voltage from a varying input voltage source.
• Characteristics: This IC is known for its high efficiency, low quiescent current, and wide input voltage range. It comes in a small package, making it suitable for space-constrained applications.
• Package: The MCP1258-E/UN is available in a 6-pin SOT-23 package.
• Essence: It serves as a reliable solution for applications requiring regulated power supply with minimal power consumption.
• Packaging/Quantity: Typically available in reels of 3000 units.

Specifications

• Input Voltage Range: 0.65V to 5.5V
• Output Voltage Range: 1.8V to 5.25V
• Quiescent Current: 950nA (typical)
• Efficiency: Up to 96%
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The MCP1258-E/UN features the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. EN (Enable) 4. SW (Switch Node) 5. FB (Feedback) 6. VOUT (Output Voltage)

Functional Features

• Low Quiescent Current: Enables efficient operation, especially in battery-powered devices.
• Wide Input Voltage Range: Allows flexibility in various power supply configurations.
• High Efficiency: Minimizes power loss and heat generation.
• Short-Circuit Protection: Safeguards the device and connected components from damage in case of a short circuit.

Advantages and Disadvantages

• Advantages:
  • Low power consumption
  • Small form factor
  • Wide input voltage range
• Disadvantages:
  • Limited maximum output current
  • External components required for specific applications

Working Principles

The MCP1258-E/UN utilizes a boost converter topology to step up the input voltage to a regulated output voltage. When enabled, the internal control circuitry adjusts the duty cycle of the switch node to maintain the desired output voltage.

Detailed Application Field Plans

• Battery-Powered Devices: Portable electronics, IoT sensors, and wearable devices benefit from the MCP1258-E/UN's low quiescent current and high efficiency.
• Energy Harvesting Systems: It can be used to efficiently regulate the output from energy harvesting sources such as solar panels or thermoelectric generators.
• Wireless Sensor Networks: Provides a stable power source for sensor nodes in remote monitoring applications.

Detailed and Complete Alternative Models

• MCP1640B: Offers similar functionality with a higher maximum output current.
• MCP16251: Provides a wider input voltage range and lower quiescent current for ultra-low-power applications.

In conclusion, the MCP1258-E/UN is a versatile voltage regulator IC suitable for a wide range of applications, particularly those requiring efficient power management in compact designs.

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