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ST1S06PUR from STMicroelectronics,ST Microelectronics

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ST1S06PUR

Manufacturer: STMicroelectronics, ST

Synchronous rectification with inhibit, 1.5 A, 1.5 MHz adjustable, step-down switching regulator

Partnumber Manufacturer Quantity Availability
ST1S06PUR STMicroelectronics, ST 40777 In Stock

Description and Introduction

Synchronous rectification with inhibit, 1.5 A, 1.5 MHz adjustable, step-down switching regulator The ST1S06PUR is a step-down switching regulator manufactured by STMicroelectronics. Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** Adjustable from 0.8V to 15V  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 1.4MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** DFN6 (3x3mm)  

### **Descriptions:**  
- The ST1S06PUR is a monolithic synchronous step-down DC-DC converter with integrated power switches.  
- It is designed for high efficiency and compact power supply solutions in applications such as consumer electronics, industrial systems, and networking equipment.  
- The device includes internal compensation, soft-start, and protection features like thermal shutdown and overcurrent protection.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency, reducing power dissipation.  
- **Integrated Power Switches:** Eliminates the need for external MOSFETs.  
- **Fixed Frequency PWM Operation:** Ensures stable performance under varying loads.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Protection Features:** Overcurrent, thermal shutdown, and undervoltage lockout (UVLO).  
- **Low Quiescent Current:** Improves efficiency in light-load conditions.  
- **Compact DFN6 Package:** Suitable for space-constrained applications.  

This information is sourced from STMicroelectronics' official documentation.

Application Scenarios & Design Considerations

Synchronous rectification with inhibit, 1.5 A, 1.5 MHz adjustable, step-down switching regulator

Alternative Part Number

  • L5973D --: Same manufacturer step-down switching regulator family with comparable input voltage range and current capability; well-established and pin-compatible in many designs.
  • TPS54231 --: Widely used 2A step-down converter with similar input voltage range and switching frequency; strong second-source option with good availability.
  • MP1584EN --: 3A step-down converter in a different series with comparable voltage ratings; cost-effective alternative suitable for similar buck regulator applications.
  • LM2596S-ADJ --: Industry-standard adjustable buck regulator with higher current rating and broad availability, usable where board space and switching frequency allow.

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