MCP1602-250I/MF

Product Overview

Category

The MCP1602-250I/MF 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 28V
• Output Voltage Range: 1.25V to 26V
• Maximum Output Current: 250mA
• Low Dropout Voltage: 350mV at 250mA
• High Efficiency: Up to 95%
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +125°C

Packaging/Quantity

The MCP1602-250I/MF is available in a SOT-23-5 package. It is typically sold in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.25V to 26V
• Maximum Output Current: 250mA
• Dropout Voltage: 350mV at 250mA
• Efficiency: Up to 95%
• Quiescent Current: 120µA (typical)
• Shutdown Current: 0.1µA (typical)
• Ripple Rejection: 70dB (typical)
• Load Regulation: ±0.5% (typical)
• Line Regulation: ±0.2% (typical)

Detailed Pin Configuration

The MCP1602-250I/MF has a total of five pins:

1. VIN: Input voltage pin.
2. GND: Ground reference pin.
3. FB: Feedback pin for setting the output voltage.
4. EN: Enable pin for turning the regulator on/off.
5. VOUT: Output voltage pin.

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss.
• Low dropout voltage enables operation with low input-output differentials.
• Excellent ripple rejection provides clean output voltage.
• Shutdown mode reduces power consumption when the regulator is not in use.
• Short-circuit and thermal protection ensure safe operation.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for compatibility with various power sources.
• High efficiency results in reduced power dissipation and longer battery life.
• Compact SOT-23-5 package offers space-saving benefits.
• Shutdown mode helps conserve power when the regulator is not needed.
• Short-circuit and thermal protection enhance reliability and safety.

Disadvantages

• Maximum output current of 250mA may limit its use in high-power applications.
• Limited output voltage range compared to some other voltage regulators.

Working Principles

The MCP1602-250I/MF operates as a step-down (buck) voltage regulator. It uses a pulse width modulation (PWM) control scheme to regulate the output voltage. The feedback pin (FB) is used to set the desired output voltage, which is compared to an internal reference voltage. The regulator adjusts the duty cycle of the PWM signal to maintain the output voltage within the specified range.

Detailed Application Field Plans

The MCP1602-250I/MF can be used in various applications, including but not limited to:

1. Battery-powered devices: Provides stable voltage for portable electronics.
2. Automotive electronics: Regulates voltage for automotive systems.
3. Industrial automation: Ensures reliable power supply for control circuits.
4. IoT devices: Supports efficient power management in connected devices.
5. Consumer electronics: Enables voltage regulation in audio/video equipment, gaming consoles, etc.

Detailed and Complete Alternative Models

1. MCP1602-500I/MF: Similar to MCP1602-250I/MF, but with a maximum output current of 500mA.
2. MCP1602-100I/MF: Similar to MCP1602-250I/MF, but with a maximum output current of 100mA.
3. MCP1602-1000I/MF: Similar to MCP1602-250I/MF, but with a maximum output current of 1000mA.

These alternative models offer different maximum output currents to suit specific application requirements.

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