BIPOLAR LINEAR INTEGRATED CIRCUIT (4 TERMINAL 3A OUTPUT LOW DROP VOLTAGE REGULATOR) Here are the factual details about part **KIA378R33PI** from the manufacturer **FAIRCHILD**:

### **Specifications:**  
- **Type:** Low Dropout (LDO) Voltage Regulator  
- **Output Voltage:** 3.3V  
- **Output Current:** 1A  
- **Input Voltage Range:** Up to 30V  
- **Dropout Voltage:** Typically 0.5V at 1A  
- **Line Regulation:** ±0.2% (Typical)  
- **Load Regulation:** ±0.4% (Typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-252 (DPAK)  

### **Descriptions:**  
- The **KIA378R33PI** is a 3.3V fixed-output LDO regulator designed for high-performance applications.  
- It provides stable voltage regulation with low dropout and low quiescent current.  
- Suitable for automotive, industrial, and consumer electronics applications.  

### **Features:**  
- **1A Output Current Capability**  
- **Low Dropout Voltage** (0.5V typical at full load)  
- **Thermal Overload Protection**  
- **Short-Circuit Protection**  
- **Stable with Low-ESR Capacitors**  
- **Pb-Free and RoHS Compliant**  

This information is based on Fairchild's official documentation for the **KIA378R33PI** LDO regulator.