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ST5R33MTR from ST,ST Microelectronics

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ST5R33MTR

Manufacturer: ST, STM

MICROPOWER VFM STPE-UP DC/DC CONVERTER

Partnumber Manufacturer Quantity Availability
ST5R33MTR ST, STM 9880 In Stock

Description and Introduction

MICROPOWER VFM STPE-UP DC/DC CONVERTER The **ST5R33MTR** is a **step-down switching regulator** manufactured by **STMicroelectronics (STM)**.  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage:** Adjustable (0.925V to 32V)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** PowerSO-8 (Exposed Pad)  

### **Descriptions:**  
- **DC-DC Buck Converter:** Converts higher input voltage to a lower regulated output voltage.  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Integrated Power MOSFETs:** Simplifies design and reduces external component count.  
- **Adjustable Output:** Allows flexibility in setting the desired output voltage.  

### **Features:**  
- **Wide Input Voltage Range:** Suitable for automotive, industrial, and consumer applications.  
- **High Efficiency:** Minimizes power dissipation.  
- **Thermal Shutdown & Overcurrent Protection:** Enhances reliability.  
- **Low Dropout Operation:** Maintains regulation even when input voltage is close to output.  
- **Soft-Start Function:** Prevents inrush current at startup.  

This regulator is commonly used in **power supplies, industrial systems, automotive electronics, and embedded applications**.

Application Scenarios & Design Considerations

MICROPOWER VFM STPE-UP DC/DC CONVERTER

Alternative Part Number

  • TPS62233DBVR --: Pin-compatible step-down converter with similar 3.3V fixed output and small SOT-23 package, widely available and well documented.
  • AP3211KTR-G1 --: Compact synchronous buck regulator offering comparable input range and 3.3V output, suitable drop-in for space-constrained designs.
  • MP2359DJ-LF-Z --: Low-cost 1.2A step-down converter with adjustable output that can be set to 3.3V, good electrical match in a small package.

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