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L6740L from ST,ST Microelectronics

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L6740L

Manufacturer: ST

Hybrid controller (41) for AMD SVID and PVID processors

Partnumber Manufacturer Quantity Availability
L6740L ST 135 In Stock

Description and Introduction

Hybrid controller (41) for AMD SVID and PVID processors The **L6740L** is a **dual synchronous buck controller** manufactured by **STMicroelectronics (ST)**.  

### **Key Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** Adjustable down to 0.6V  
- **Switching Frequency:** Adjustable from 200kHz to 1MHz  
- **Dual Output Channels:** Independent control for two synchronous buck converters  
- **Efficiency:** Up to 95%  
- **Current Mode Control:** Ensures fast transient response  
- **Protection Features:**  
  - Overvoltage protection (OVP)  
  - Undervoltage lockout (UVLO)  
  - Overcurrent protection (OCP)  
  - Thermal shutdown  

### **Descriptions & Features:**  
- **High Integration:** Includes MOSFET drivers, reducing external component count.  
- **Adjustable Soft-Start:** Prevents inrush current at startup.  
- **Synchronization Capability:** Can sync with an external clock.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Low Quiescent Current:** Optimized for power-saving applications.  
- **Package Options:** Available in **HTSSOP20** and **QFN20** packages.  

The **L6740L** is designed for **industrial, automotive, and computing applications** requiring high-efficiency power conversion.  

(Source: **STMicroelectronics Datasheet**)

Application Scenarios & Design Considerations

Hybrid controller (41) for AMD SVID and PVID processors

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