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MC33275DT-3.3RK from ON,ON Semiconductor

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MC33275DT-3.3RK

Manufacturer: ON

300mA, Low Dropout Voltage Regulator

Partnumber Manufacturer Quantity Availability
MC33275DT-3.3RK,MC33275DT33RK ON 65 In Stock

Description and Introduction

300mA, Low Dropout Voltage Regulator The MC33275DT-3.3RK is a low-dropout voltage regulator (LDO) manufactured by ON Semiconductor.  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 250mA  
- **Dropout Voltage:** 300mV (typical at 250mA)  
- **Input Voltage Range:** Up to 12V  
- **Line Regulation:** 0.05% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Quiescent Current:** 5.5mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-223 (DT suffix)  

### **Descriptions and Features:**  
- Designed for battery-powered applications requiring stable voltage regulation.  
- Includes thermal shutdown and current limit protection.  
- Low dropout voltage ensures efficient operation even with small input-output differentials.  
- Stable with low-ESR capacitors (≥1μF).  
- Suitable for portable electronics, embedded systems, and power management applications.  

This regulator is part of ON Semiconductor's MC33275 series, optimized for reliability and performance in compact designs.

Application Scenarios & Design Considerations

300mA, Low Dropout Voltage Regulator

Alternative Part Number

  • LM3940IT-3.3 --: Low-dropout 3.3V linear regulator in TO-220, functionally equivalent to the MC33275 3.3V LDO with similar current capability and pinout.
  • LP2950ACZ-3.3 --: 3.3V low-dropout regulator in TO-92/TO-220 style packages, widely used as a drop-in substitute for ON 3.3V LDO regulators with comparable dropout and quiescent current.
  • AP1117E33G-13 --: 3.3V fixed LDO regulator in SOT-223/TO-252, a common cross-reference for MC33275 3.3V regulators with adequate current rating and thermal performance.

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