MPQ8903DJ-2.5-LF-P

Product Overview

Category

The MPQ8903DJ-2.5-LF-P belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This product is primarily used for voltage regulation in electronic devices and systems.

Characteristics

• Input Voltage Range: 4.5V to 28V
• Output Voltage: 2.5V
• Maximum Output Current: 3A
• Package Type: DFN-10
• Essence: Voltage regulator IC with high efficiency and low dropout voltage.
• Packaging/Quantity: The MPQ8903DJ-2.5-LF-P is typically packaged in reels, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage: 2.5V ±2%
• Output Current: Up to 3A
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 100µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: DFN-10

Detailed Pin Configuration

The MPQ8903DJ-2.5-LF-P has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. SS: Soft-start pin
6. PGND: Power ground pin
7. SW: Switching node pin
8. COMP: Compensation pin
9. NC: No connection
10. VOUT: Output voltage pin

Functional Features

• High Efficiency: The MPQ8903DJ-2.5-LF-P offers high efficiency, ensuring minimal power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 200mV, this IC can regulate the output voltage even when the input voltage is close to the desired output voltage.
• Enable Pin: The enable pin allows for easy control of the regulator's operation, enabling or disabling the output as required.
• Soft-Start Function: The soft-start pin enables a controlled startup of the regulator, preventing excessive inrush current and ensuring stable operation.
• Overcurrent Protection: The MPQ8903DJ-2.5-LF-P incorporates overcurrent protection, safeguarding the circuit from potential damage due to excessive current.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Low dropout voltage ensures accurate and stable output voltage regulation.
• Enable pin provides flexibility in controlling the output.
• Soft-start function prevents inrush current and ensures smooth startup.
• Overcurrent protection enhances circuit reliability.

Disadvantages

• Limited output voltage options (fixed at 2.5V).
• Requires external components for proper operation.

Working Principles

The MPQ8903DJ-2.5-LF-P operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to a fixed output voltage of 2.5V. The internal circuitry of the IC ensures efficient voltage conversion with minimal power loss. The enable pin allows for easy control of the output, while the soft-start function ensures a controlled startup. Overcurrent protection safeguards the circuit from potential damage caused by excessive current.

Detailed Application Field Plans

The MPQ8903DJ-2.5-LF-P finds applications in various electronic devices and systems that require stable and regulated voltage supply. Some potential application fields include:

1. Consumer Electronics: Used in smartphones, tablets, portable media players, and other battery-powered devices.
2. Industrial Automation: Provides voltage regulation in control systems, motor drives, and power supplies.
3. Automotive Electronics: Used in automotive infotainment systems, lighting controls, and other vehicle electronics.
4. Telecommunications: Regulates voltage in networking equipment, routers, and communication devices.
5. IoT Devices: Enables stable voltage supply in smart home devices, wearables, and connected sensors.

Detailed and Complete Alternative Models

1. MPQ8902DJ-2.8-LF-P: Similar to MPQ8903DJ-2.5-LF-P but with an output voltage of 2.8V.
2. MPQ8904DJ-3.3-LF-P: Similar to MPQ8903DJ-2.5-LF-P but with an output voltage of 3.3V.
3. MPQ8905DJ-5.0-LF-P: Similar to MPQ8903DJ-2.5-LF-P but with an output voltage of 5.0V.
4. MPQ8906DJ-Adj-LF-P: Adjustable output voltage version of the MPQ8903DJ,