LM25117QPSQE/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency synchronous buck regulator - Wide input voltage range - Adjustable output voltage - Current mode control - Overcurrent protection - Thermal shutdown protection

Package: QFN-16

Essence: The LM25117QPSQE/NOPB is a high-performance synchronous buck regulator IC designed for power management applications. It offers a wide input voltage range and adjustable output voltage, making it suitable for various power supply designs.

Packaging/Quantity: The LM25117QPSQE/NOPB is available in a QFN-16 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 1A
• Switching Frequency: Up to 2MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM25117QPSQE/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. PGND: Power ground pin
3. SW: Switch node connection pin
4. FB: Feedback voltage pin
5. EN: Enable pin
6. SS/TR: Soft-start/Tracking pin
7. VCC: Supply voltage pin
8. AGND: Analog ground pin
9. COMP: Compensation pin
10. SS/TR: Soft-start/Tracking pin
11. BOOT: Bootstrap capacitor connection pin
12. BST: Boost voltage pin
13. LX: Inductor connection pin
14. PGND: Power ground pin
15. PGND: Power ground pin
16. VCC: Supply voltage pin

Functional Features

• High efficiency power conversion
• Adjustable output voltage for flexible design
• Current mode control for stable operation
• Overcurrent protection to prevent damage
• Thermal shutdown protection for safe operation

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications - High efficiency results in reduced power loss - Compact QFN-16 package saves board space - Overcurrent and thermal shutdown protection enhance reliability

Disadvantages: - Maximum output current limited to 1A - Limited number of pins may restrict additional functionality

Working Principles

The LM25117QPSQE/NOPB operates as a synchronous buck regulator, converting a higher input voltage to a lower output voltage efficiently. It utilizes current mode control to regulate the output voltage and maintain stability. The IC incorporates various protection features such as overcurrent and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The LM25117QPSQE/NOPB can be used in a wide range of power management applications, including but not limited to: - Industrial automation systems - Automotive electronics - Telecommunications equipment - Consumer electronics - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM25117QPSQE/NOPB include: - LM25118QPSQE/NOPB - LM25119QPSQE/NOPB - LM25120QPSQE/NOPB - LM25121QPSQE/NOPB

These alternative models provide comparable features and can be considered based on specific application requirements.

Word count: 334 words