MIC2131-4YML-TR

Product Overview

Category: Integrated Circuit (IC)

Use: The MIC2131-4YML-TR is a high-performance synchronous buck regulator designed for various power management applications. It provides efficient voltage conversion with adjustable output voltage and current limits.

Characteristics: - High efficiency - Adjustable output voltage and current limits - Synchronous rectification - Wide input voltage range - Over-temperature protection - Under-voltage lockout

Package: The MIC2131-4YML-TR is available in a small 16-pin MLF package, which offers excellent thermal performance and compact size.

Essence: This IC is an essential component in power management systems, enabling efficient voltage regulation and current control.

Packaging/Quantity: The MIC2131-4YML-TR is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 4A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC2131-4YML-TR has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground reference
3. FB: Feedback voltage input
4. EN: Enable control input
5. SS: Soft-start capacitor connection
6. PGND: Power ground
7. SW: Switch node connection
8. BST: Bootstrap capacitor connection
9. COMP: Compensation network connection
10. VCC: Supply voltage for internal circuitry
11. AGND: Analog ground
12. ILIM: Current limit setting
13. SYNC: External synchronization input
14. SS/TR: Soft-start and tracking control input
15. VOUT: Output voltage
16. PGND: Power ground

Functional Features

• High efficiency conversion
• Adjustable output voltage and current limits for flexibility
• Synchronous rectification for improved efficiency
• Over-temperature protection to prevent damage
• Under-voltage lockout for reliable operation

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Adjustable output voltage and current limits offer versatility - Synchronous rectification improves overall efficiency - Wide input voltage range allows for various applications - Over-temperature protection ensures device longevity - Under-voltage lockout enhances reliability

Disadvantages: - Limited maximum output current of 4A - Higher switching frequency may require additional filtering components

Working Principles

The MIC2131-4YML-TR operates as a synchronous buck regulator, converting the input voltage to a lower, adjustable output voltage. It utilizes high-frequency switching to regulate the output voltage and current. The feedback loop continuously monitors the output voltage and adjusts the duty cycle of the internal switches to maintain the desired output voltage.

Detailed Application Field Plans

The MIC2131-4YML-TR is widely used in various power management applications, including but not limited to: - Portable electronic devices - Industrial automation systems - Telecommunications equipment - Automotive electronics - LED lighting systems

Detailed and Complete Alternative Models

• MIC2130-4YML-TR
• MIC2132-4YML-TR
• MIC2133-4YML-TR
• MIC2134-4YML-TR
• MIC2135-4YML-TR

These alternative models provide similar functionality and performance, allowing designers to choose the most suitable option for their specific application requirements.

In conclusion, the MIC2131-4YML-TR is a high-performance synchronous buck regulator that offers adjustable output voltage and current limits. With its compact package, wide input voltage range, and various protection features, it finds applications in diverse fields such as portable electronics, industrial automation, telecommunications, automotive, and LED lighting systems.