LM5041BMTC/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-performance synchronous buck controller
• Package: 16-pin thermally enhanced HTSSOP package
• Essence: Efficiently regulates voltage in power management applications
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Input Voltage Range: 4.5V to 100V
• Output Voltage Range: 0.8V to 90% of VIN
• Switching Frequency: Up to 2MHz
• Maximum Duty Cycle: 95%
• Operating Temperature Range: -40°C to +125°C
• Features: Adjustable soft-start, cycle-by-cycle current limit, thermal shutdown, etc.

Pin Configuration

The LM5041BMTC/NOPB has a 16-pin configuration as follows:

1. VCC: Supply voltage input
2. GND: Ground reference
3. FB: Feedback pin for voltage regulation
4. COMP: Compensation pin for stability control
5. SS/TR: Soft-start/Tracking pin
6. RT/CT: Timing components connection pins
7. SYNC: Synchronization input pin
8. EN: Enable pin for device operation
9. PGND: Power ground reference
10. BOOT: High-side gate driver bootstrap pin
11. HO: High-side gate driver output
12. LO: Low-side gate driver output
13. SW: Switch node connection pin
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• High-efficiency synchronous buck controller
• Wide input voltage range for versatile applications
• Adjustable soft-start for controlled startup
• Cycle-by-cycle current limit for overcurrent protection
• Thermal shutdown to prevent overheating
• Synchronization input for multi-phase operation
• Enable pin for device control

Advantages and Disadvantages

Advantages

• High-performance regulation in power management applications
• Wide input voltage range allows for flexibility
• Efficient operation for improved energy efficiency
• Comprehensive protection features ensure device safety
• Synchronization capability enables multi-phase operation

Disadvantages

• Limited pin configuration options may restrict certain applications
• Higher cost compared to non-integrated solutions
• Requires external components for complete functionality

Working Principles

The LM5041BMTC/NOPB is a high-performance synchronous buck controller that efficiently regulates voltage in power management applications. It operates by controlling the duty cycle of a switching transistor to maintain a desired output voltage. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle accordingly. The controller also incorporates various protection features such as current limit and thermal shutdown to ensure safe operation.

Application Field Plans

The LM5041BMTC/NOPB is suitable for a wide range of power management applications, including:

1. Industrial power supplies
2. Telecom infrastructure
3. Automotive electronics
4. LED lighting systems
5. Renewable energy systems

Alternative Models

Here are some alternative models that offer similar functionality:

1. LM5116: Synchronous buck controller with integrated MOSFET drivers
2. LT8610: High-efficiency synchronous buck controller with low quiescent current
3. TPS54332: Wide-input voltage range synchronous buck converter
4. MAX15062: High-frequency synchronous buck controller with integrated MOSFET drivers

These alternative models provide different features and specifications, allowing users to choose the most suitable option for their specific application requirements.

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