MCP1725-1202E/MC

Product Overview

Category

The MCP1725-1202E/MC belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 4.5V to 16V
• Output Voltage: 1.2V
• Maximum Output Current: 500mA
• Low Dropout Voltage: 178mV at 500mA
• Low Quiescent Current: 120µA (typical)
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +125°C

Packaging/Quantity

The MCP1725-1202E/MC is available in a SOT-23-5 package. It is typically sold in reels containing a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 4.5V to 16V
• Output Voltage: 1.2V
• Output Current: Up to 500mA
• Dropout Voltage: 178mV at 500mA
• Quiescent Current: 120µA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Ripple Rejection: 70dB (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1725-1202E/MC has a total of five pins:

1. VIN: Input voltage pin.
2. GND: Ground reference pin.
3. VOUT: Output voltage pin.
4. BYP: Bypass capacitor connection pin.
5. EN: Enable pin for turning the regulator on/off.

Functional Features

• Low dropout voltage ensures efficient regulation even with low input-output voltage differentials.
• Low quiescent current minimizes power consumption in standby or idle modes.
• Excellent line and load regulation characteristics provide stable output voltage under varying conditions.
• Built-in thermal shutdown protection prevents damage due to excessive temperature.

Advantages

• Wide input voltage range allows for compatibility with various power sources.
• Compact SOT-23-5 package enables space-saving integration into small electronic devices.
• Low dropout voltage ensures efficient power conversion, especially in battery-powered applications.
• Low quiescent current extends battery life in portable devices.
• Excellent line and load regulation characteristics ensure stable performance across different operating conditions.

Disadvantages

• Limited maximum output current of 500mA may not be sufficient for high-power applications.
• The SOT-23-5 package may have limitations in terms of heat dissipation in high-power scenarios.

Working Principles

The MCP1725-1202E/MC is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor to maintain a constant output voltage.

Detailed Application Field Plans

The MCP1725-1202E/MC can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the MCP1725-1202E/MC include: - MCP1700-3302E/TO: Output voltage of 3.3V, maximum output current of 250mA. - MCP1754T-3302E/CB: Output voltage of 3.3V, maximum output current of 150mA. - MCP1826S-3302E/DB: Output voltage of 3.3V, maximum output current of 500mA.

These alternative models offer different specifications and may be suitable for specific application requirements.

In conclusion, the MCP1725-1202E/MC is a voltage regulator with excellent characteristics such as low dropout voltage, low quiescent current, and wide input voltage range. It is commonly used in various electronic applications and offers advantages such as efficient power conversion and stable performance. However, it has limitations in terms of maximum output current and heat dissipation. Alternative models are available to cater to different application needs.