LM5114BMFX/S7003094

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High voltage, high-side and low-side gate driver
• Package: 8-pin SOIC package
• Essence: Efficiently drives both high-side and low-side N-channel MOSFETs in a synchronous buck or boost converter
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 4.5V to 100V
• Output Voltage Range: 0V to 100V
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to +125°C
• Features: Adaptive shoot-through protection, adjustable dead-time control, integrated bootstrap diode, UVLO protection, thermal shutdown

Pin Configuration

The LM5114BMFX/S7003094 has the following pin configuration:

1. VDD: Power supply input for the IC
2. GND: Ground reference
3. HO: High-side gate driver output
4. LO: Low-side gate driver output
5. BOOT: Bootstrap capacitor connection for high-side gate driver
6. PH: Phase node connection
7. FB: Feedback voltage input
8. EN: Enable input for the IC

Functional Features

• Efficiently drives both high-side and low-side N-channel MOSFETs
• Provides adaptive shoot-through protection to prevent cross-conduction
• Adjustable dead-time control for optimal switching performance
• Integrated bootstrap diode simplifies the design
• Under-voltage lockout (UVLO) protection ensures reliable operation
• Thermal shutdown feature protects against excessive temperature

Advantages and Disadvantages

Advantages: - High voltage range allows for versatile applications - Efficient power management for synchronous buck or boost converters - Integrated features reduce external component count and simplify design - Adaptive shoot-through protection enhances reliability

Disadvantages: - Limited to N-channel MOSFETs only - Requires careful consideration of thermal management due to high voltage operation

Working Principles

The LM5114BMFX/S7003094 is designed to drive both high-side and low-side N-channel MOSFETs in a synchronous buck or boost converter. It utilizes adaptive shoot-through protection and adjustable dead-time control to prevent cross-conduction and optimize switching performance. The integrated bootstrap diode simplifies the design by eliminating the need for an external diode. Under-voltage lockout (UVLO) protection ensures reliable operation, while the thermal shutdown feature protects against excessive temperature.

Application Field Plans

The LM5114BMFX/S7003094 is suitable for various applications, including but not limited to: - DC-DC converters - LED lighting - Motor drives - Solar inverters - Battery charging systems

Alternative Models

Here are some alternative models that offer similar functionality: - LM5113: Dual-channel version of LM5114BMFX/S7003094 - LM5109: High voltage, half-bridge gate driver - LM5116: High voltage, synchronous buck controller with integrated drivers - LM5122: High voltage, non-synchronous boost controller with integrated drivers

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

Word count: 346 words