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START499ETR from ST,ST Microelectronics

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START499ETR

Manufacturer: ST

NPN Silicon RF Transistor

Partnumber Manufacturer Quantity Availability
START499ETR ST 2750 In Stock

Description and Introduction

NPN Silicon RF Transistor The **START499ETR** is a **DC-DC converter** manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 5.5V  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 1.5A  
- **Efficiency:** Up to 95%  
- **Switching Frequency:** 1.4MHz  
- **Package:** DFN6 (3x3mm)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Overcurrent, overtemperature, and undervoltage lockout  

### **Descriptions & Features:**  
- **High-Efficiency Step-Down Converter:** Optimized for low-power applications.  
- **Integrated Power MOSFETs:** Reduces external component count.  
- **Low Quiescent Current:** Improves efficiency in light-load conditions.  
- **Compact Footprint:** Suitable for space-constrained designs.  
- **Stable Operation with Ceramic Capacitors:** Ensures reliable performance.  
- **Adjustable Soft-Start:** Prevents inrush current at startup.  
- **AEC-Q100 Qualified:** Suitable for automotive applications.  

This DC-DC converter is commonly used in **portable devices, IoT applications, and automotive electronics**.

Application Scenarios & Design Considerations

NPN Silicon RF Transistor

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