IR2521DSTRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2521DSTRPBF is a high-performance power management IC designed for various applications in electronic devices. It provides efficient power conversion and control, making it suitable for use in a wide range of electronic systems.

Characteristics: - High efficiency power conversion - Compact size - Wide input voltage range - Low power consumption - Reliable performance

Package: The IR2521DSTRPBF is available in a small outline package (SOP) which ensures easy integration into electronic circuits. The package is designed to provide thermal stability and protection to the IC.

Essence: The essence of the IR2521DSTRPBF lies in its ability to efficiently manage power in electronic devices, ensuring optimal performance and reliability.

Packaging/Quantity: The IR2521DSTRPBF is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

The IR2521DSTRPBF has the following specifications:

• Input Voltage Range: 4.5V - 40V
• Output Voltage Range: 0.8V - 37V
• Maximum Output Current: 2A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%

Pin Configuration

The IR2521DSTRPBF features a compact pin configuration that enables easy integration into electronic circuits. The detailed pin configuration is as follows:

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

Functional Features

The IR2521DSTRPBF offers the following functional features:

• Wide input voltage range allows for compatibility with various power sources.
• High efficiency power conversion minimizes energy loss and maximizes battery life.
• Overcurrent protection ensures safe operation under different load conditions.
• Thermal shutdown protection prevents overheating of the IC.
• Soft-start function reduces inrush current during startup.

Advantages and Disadvantages

Advantages: - High efficiency power conversion leads to energy savings. - Compact size enables easy integration into space-constrained designs. - Wide input voltage range provides flexibility in power source selection. - Reliable performance ensures stable operation in diverse applications.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Higher cost compared to some alternative models.

Working Principles

The IR2521DSTRPBF operates on the principle of pulse width modulation (PWM) control. It regulates the output voltage by adjusting the duty cycle of the switching signal. This control mechanism ensures efficient power conversion and stable output voltage.

Detailed Application Field Plans

The IR2521DSTRPBF finds application in various electronic devices, including but not limited to: - Power supplies - Battery chargers - LED lighting systems - Industrial automation equipment - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the IR2521DSTRPBF are: - IR2520DSTRPBF - IR2522DSTRPBF - IR2523DSTRPBF - IR2524DSTRPBF

These alternative models can be considered based on specific requirements and design constraints.

In conclusion, the IR2521DSTRPBF is a versatile power management IC that offers high efficiency, compact size, and reliable performance. Its wide range of applications and availability of alternative models make it a popular choice in the electronics industry.