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STB1188 from AUK

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STB1188

Manufacturer: AUK

PNP Silicon Transistor

Partnumber Manufacturer Quantity Availability
STB1188 AUK 1055 In Stock

Description and Introduction

PNP Silicon Transistor Here are the factual details about the STB1188 manufacturer AUK specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** AUK  
- **Part Number:** STB1188  
- **Type:** Step-Down Voltage Regulator  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** 0.8V to 20V (adjustable)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 340kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** TO-263-5 (D2PAK)  

### **Descriptions:**  
- The STB1188 is a synchronous step-down DC-DC converter designed for high-efficiency power conversion.  
- It integrates low RDS(ON) MOSFETs to minimize power loss.  
- Suitable for industrial, automotive, and consumer electronics applications.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 4.5V to 28V input.  
- **Adjustable Output Voltage:** Configurable via external resistors.  
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Overcurrent Protection:** Prevents damage from excessive load.  
- **Thermal Shutdown:** Protects against overheating.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Compact Package:** TO-263-5 for efficient heat dissipation.  

This information is based solely on the available technical data for the STB1188 by AUK.

Application Scenarios & Design Considerations

PNP Silicon Transistor

Alternative Part Number

  • 2SC1188 --: NPN transistor with similar low-frequency amplifier characteristics and comparable voltage/current ratings, widely available as a direct functional substitute.
  • KTC1188 --: Korean-made NPN transistor matching the STB1188's typical audio/small-signal switching role with similar gain and power ratings.
  • BC337 --: General-purpose NPN transistor with comparable current and voltage ratings, suitable as a functional replacement in most low-power switching and amplifier circuits.

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