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ST1S06A from ST,ST Microelectronics

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ST1S06A

Manufacturer: ST

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

Partnumber Manufacturer Quantity Availability
ST1S06A ST 305 In Stock

Description and Introduction

Synchronous rectification with inhibit, 1.5 A, 1.5 MHz fixed or adjustable, step-down switching regulator The ST1S06A is a step-down DC-DC converter manufactured by STMicroelectronics.  

### **Specifications:**  
- **Input Voltage Range:** 3.3V to 16V  
- **Output Voltage Range:** Adjustable from 0.8V to 12V  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 1.5MHz (typ.)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT23-5L  

### **Descriptions:**  
- The ST1S06A is a monolithic synchronous step-down regulator with integrated power switches.  
- It is designed for high efficiency and compact power supply solutions.  
- Features internal compensation, reducing external component count.  
- Suitable for battery-powered applications, portable devices, and distributed power systems.  

### **Features:**  
- **Integrated Power Switches:** Reduces external component requirements.  
- **PWM Mode Operation:** Ensures high efficiency at heavy loads.  
- **Low Quiescent Current:** Improves efficiency at light loads.  
- **Internal Soft-Start:** Limits inrush current during startup.  
- **Over-Temperature Protection (OTP):** Shuts down the device if overheating occurs.  
- **Short-Circuit Protection:** Enhances system reliability.  
- **Synchronizable Switching Frequency:** Reduces EMI interference.  

This information is based on STMicroelectronics' official datasheet for the ST1S06A.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • L5973D --: Step-down switching regulator from ST with comparable input voltage range and current capability, widely used as a drop-in style alternative in similar buck converter designs.
  • LM2596S-ADJ --: Very common adjustable buck regulator with similar voltage and current ratings, easy to source and well documented for replacement designs.
  • MP1584EN --: Compact high-frequency step-down converter with comparable input range and output current, suitable when board space is limited.

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