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L6751B from ST,ST Microelectronics

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L6751B

Manufacturer: ST

Digitally Controlled Dual PWM for Intel VR12 and AMD SVI

Partnumber Manufacturer Quantity Availability
L6751B ST 5224 In Stock

Description and Introduction

Digitally Controlled Dual PWM for Intel VR12 and AMD SVI Here is the factual information about part L6751B from the manufacturer STMicroelectronics:

### **Manufacturer:**  
STMicroelectronics  

### **Specifications:**  
- **Type:** Dual MOSFET Driver  
- **Configuration:** High-Side and Low-Side  
- **Operating Voltage Range:** 8V to 16V  
- **Output Current (Peak):** 1.2A (Source), 1.8A (Sink)  
- **Propagation Delay:** 50ns (Typical)  
- **Rise/Fall Time:** 20ns (Typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SO-8  

### **Descriptions:**  
The L6751B is a dual MOSFET driver designed for high-efficiency switching applications. It features independent high-side and low-side drivers, enabling precise control of power MOSFETs in half-bridge or full-bridge configurations.  

### **Features:**  
- Independent high-side and low-side drivers  
- Under-voltage lockout (UVLO) protection  
- Fast switching times for improved efficiency  
- Low propagation delay for precise timing  
- Compatible with 3.3V and 5V logic inputs  
- SO-8 package for space-constrained applications  

This information is sourced from STMicroelectronics' official documentation.

Application Scenarios & Design Considerations

Digitally Controlled Dual PWM for Intel VR12 and AMD SVI

Alternative Part Number

  • ISL95866 --: Multi-phase PWM controller for CPU/GPU VRM with comparable feature set and pin-compatible design approach; widely used as an ST L6751B alternative in notebook power stages.
  • NCP81239 --: Dual-phase synchronous buck controller for CPU core rails with similar voltage-mode control and protection features, suitable as a functional replacement.
  • TPS51631 --: Single-phase step-down controller for processor power with integrated drivers and comparable current-sense scheme, offering a different vendor and series as a fallback option.

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