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KA78R33YDTU from 仙童,Fairchild Semiconductor

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KA78R33YDTU

Manufacturer: 仙童

1A Fixed 3.3V Low Dropout Voltage Regulator (LDO)

Partnumber Manufacturer Quantity Availability
KA78R33YDTU 仙童 687 In Stock

Description and Introduction

1A Fixed 3.3V Low Dropout Voltage Regulator (LDO) The KA78R33YDTU is a linear voltage regulator manufactured by Fairchild Semiconductor (仙童). Here are its specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** Up to 30V  
- **Dropout Voltage:** 0.5V (typical at 1A)  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-252 (DPAK)  

### **Descriptions:**  
- The KA78R33YDTU is a low-dropout (LDO) positive voltage regulator designed for stable 3.3V output.  
- It includes overcurrent protection, thermal shutdown, and short-circuit protection.  
- Suitable for applications requiring a regulated 3.3V supply with high efficiency.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **High Accuracy:** Tight output voltage tolerance (±2%).  
- **Built-in Protection:** Overcurrent, thermal shutdown, and short-circuit protection.  
- **Wide Input Voltage Range:** Supports up to 30V input.  
- **Low Quiescent Current:** Improves efficiency in standby modes.  
- **Surface-Mount Package (TO-252):** Compact and suitable for PCB applications.  

This regulator is commonly used in power management for consumer electronics, industrial systems, and embedded applications.

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