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ST1S06 from ST,ST Microelectronics

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ST1S06

Manufacturer: ST, Intersil

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

Partnumber Manufacturer Quantity Availability
ST1S06 ST, Intersil 24560 In Stock

Description and Introduction

Synchronous rectification with inhibit, 1.5 A, 1.5 MHz adjustable, step-down switching regulator The ST1S06 is a step-down DC-DC converter manufactured by Intersil (now part of Renesas Electronics). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 6V  
- **Output Voltage Range:** 0.8V to 5V (adjustable via external resistors)  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** DFN (Dual Flat No-Lead) 6-pin  

### **Descriptions:**  
- The ST1S06 is a synchronous step-down DC-DC converter designed for high efficiency and compact power solutions.  
- It integrates both high-side and low-side MOSFETs, reducing external component count.  
- Suitable for battery-powered applications, portable devices, and point-of-load regulation.  

### **Features:**  
- **Integrated Power MOSFETs:** Reduces external component requirements.  
- **PWM Control:** Ensures stable output under varying load conditions.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Overcurrent Protection (OCP):** Safeguards against excessive current draw.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Low Dropout Operation:** Maintains regulation even when input voltage is close to output.  
- **Adjustable Output:** Allows flexibility in setting desired output voltage.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • LMR16006 --: Wide-input step-down converter with comparable current rating and pin-compatible footprint, widely available and well documented.
  • MP2359 --: Similar 1.2A step-down regulator with integrated switch, low BOM cost and good drop-in electrical match.
  • AP3211 --: 1.5A synchronous buck converter in a similar package, offering comparable efficiency and input voltage range.
  • LM3671MF-3.3 --: Pin-compatible step-down DC-DC converter with similar input voltage range and output current, widely available and well documented.
  • TPS62203DBVR --: High-efficiency synchronous buck converter in SOT-23 with comparable current rating and switching frequency, suitable drop-in replacement.
  • AP3211KTR-G1 --: Low-cost 1.5A step-down converter with similar electrical characteristics and small package, good second-source option.

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