MCP1259T-E/MF

Product Overview

Category

The MCP1259T-E/MF belongs to the category of voltage regulators.

Use

It is primarily used for boosting and regulating voltage levels in electronic circuits.

Characteristics

• Input Voltage Range: 0.65V to 5.5V
• Output Voltage Range: 1.8V to 5.5V
• Maximum Output Current: 120mA
• Low Quiescent Current: 35µA (typical)
• Shutdown Current: 0.1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Package

The MCP1259T-E/MF is available in a small 6-pin SOT-23 package.

Essence

The essence of the MCP1259T-E/MF is its ability to efficiently boost and regulate input voltages to a desired output level, making it suitable for various applications.

Packaging/Quantity

The MCP1259T-E/MF is typically packaged in reels, with 3,000 units per reel.

Specifications

• Input Voltage Range: 0.65V to 5.5V
• Output Voltage Range: 1.8V to 5.5V
• Maximum Output Current: 120mA
• Quiescent Current: 35µA (typical)
• Shutdown Current: 0.1µA (typical)
• Efficiency: Up to 96%
• Switching Frequency: 1.2MHz (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MCP1259T-E/MF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switching pin
4. FB: Feedback pin
5. EN: Enable pin
6. VOUT: Output voltage pin

Functional Features

• Boosts and regulates input voltages to a desired output level
• Low quiescent current for improved efficiency
• Shutdown mode for further power savings
• Wide input voltage range allows for versatile applications
• Small package size for space-constrained designs

Advantages

• Efficient voltage boosting and regulation
• Low quiescent current for improved battery life
• Wide input voltage range enables compatibility with various power sources
• Small package size allows for compact circuit designs

Disadvantages

• Limited maximum output current of 120mA
• Higher switching frequency may introduce additional noise in sensitive applications

Working Principles

The MCP1259T-E/MF utilizes a boost converter topology to increase the input voltage to a desired output level. It employs a high-frequency switching transistor to control the energy transfer from the input to the output. The feedback mechanism ensures that the output voltage remains stable within the specified range.

Detailed Application Field Plans

The MCP1259T-E/MF finds applications in various fields, including:

1. Battery-powered devices: Used to boost and regulate battery voltage for powering microcontrollers, sensors, and other low-power components.
2. Portable electronics: Enables efficient voltage conversion for smartphones, tablets, and wearable devices.
3. Industrial automation: Provides stable voltage levels for sensors, actuators, and control systems.
4. Automotive electronics: Used in automotive applications such as infotainment systems, lighting, and motor control.

Detailed and Complete Alternative Models

1. MCP1640: Similar boost regulator with higher maximum output current (500mA).
2. MCP1703: Linear voltage regulator with lower quiescent current (2µA) but limited input voltage range (up to 16V).
3. LT1308: High-efficiency boost converter with adjustable output voltage and higher maximum output current (2.5A).

These alternative models offer different specifications and features, allowing designers to choose the most suitable option for their specific requirements.

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