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ST1S10BPHR from ST,ST Microelectronics

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ST1S10BPHR

Manufacturer: ST

Monolithic synchronous step-down regulator

Partnumber Manufacturer Quantity Availability
ST1S10BPHR ST 58588 In Stock

Description and Introduction

Monolithic synchronous step-down regulator The ST1S10BPHR is a step-down DC-DC converter manufactured by STMicroelectronics. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** Adjustable from 0.8V to 15V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** DFN6 (3x3 mm)  

### **Descriptions:**  
- The ST1S10BPHR is a monolithic synchronous step-down DC-DC converter with integrated power switches.  
- It is designed for applications requiring high efficiency and compact size, such as portable devices, networking equipment, and industrial systems.  
- The device operates at a fixed switching frequency and includes internal compensation for simplified design.  

### **Features:**  
- Integrated high-side and low-side MOSFETs  
- Adjustable output voltage via external resistors  
- Over-temperature and over-current protection  
- Low dropout operation  
- Soft-start function to reduce inrush current  
- Power-saving mode (PSM) for light-load efficiency  

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

Application Scenarios & Design Considerations

Monolithic synchronous step-down regulator

Alternative Part Number

  • L5973D --: ST buck converter with similar input voltage range and current capability, widely used as a drop-in alternative in step-down regulator designs.
  • TPS54231 --: Pin-compatible-class 2A step-down converter with comparable switching frequency and thermal performance, suitable replacement from a different vendor.
  • MP1584EN --: 3A step-down converter with similar voltage range and compact package, commonly used as a cost-effective alternative in DC-DC regulator applications.

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