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ST1S09PUR from ST,ST Microelectronics

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ST1S09PUR

Manufacturer: ST

Synchronous rectification with inhibit, 2 A, 1.5 MHz adjustable, step-down switching regulator

Partnumber Manufacturer Quantity Availability
ST1S09PUR ST 10000 In Stock

Description and Introduction

Synchronous rectification with inhibit, 2 A, 1.5 MHz adjustable, step-down switching regulator The **ST1S09PUR** is a step-down DC-DC converter manufactured by **STMicroelectronics**.  

### **Key Specifications:**  
- **Input Voltage Range:** 3.3V to 16V  
- **Output Voltage:** Adjustable from 0.8V to 12V  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 95%  
- **Package:** SOT23-5L  

### **Descriptions & Features:**  
- **Synchronous Buck Converter:** Integrates high-side and low-side MOSFETs for improved efficiency.  
- **Low Dropout Operation:** Allows operation at 100% duty cycle for low input-output differentials.  
- **Internal Compensation:** Simplifies external component requirements.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Over-Temperature Protection (OTP):** Shuts down the device in case of excessive heat.  
- **Short-Circuit Protection:** Enhances reliability under fault conditions.  
- **PWM Mode Operation:** Ensures stable performance across load variations.  

This device is designed for applications such as **portable devices, networking equipment, and industrial systems** requiring efficient power conversion.

Application Scenarios & Design Considerations

Synchronous rectification with inhibit, 2 A, 1.5 MHz adjustable, step-down switching regulator

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