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MAX6478BL33AD3 from MAXIM,MAXIM - Dallas Semiconductor

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MAX6478BL33AD3

Manufacturer: MAXIM

300mA LDO Linear Regulators with Internal Microprocessor Reset Circuit

Partnumber Manufacturer Quantity Availability
MAX6478BL33AD3 MAXIM 120 In Stock

Description and Introduction

300mA LDO Linear Regulators with Internal Microprocessor Reset Circuit The MAX6478BL33AD3 is a low-dropout linear regulator (LDO) manufactured by **MAXIM** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:

### **Specifications**:
- **Output Voltage**: 3.3V (fixed)  
- **Output Current**: 500mA  
- **Dropout Voltage**: 120mV (typical at 500mA)  
- **Input Voltage Range**: 2.5V to 5.5V  
- **Quiescent Current**: 75µA (typical)  
- **Shutdown Current**: <1µA  
- **Accuracy**: ±2% over line, load, and temperature  
- **Operating Temperature Range**: -40°C to +125°C  
- **Package**: 8-pin SOIC  

### **Descriptions**:
- The MAX6478BL33AD3 is a **low-noise**, **low-dropout linear regulator** designed for applications requiring stable power with minimal voltage ripple.  
- It features **reverse-current protection**, **thermal shutdown**, and **current limiting** for robust operation.  
- Optimized for **battery-powered devices**, IoT, and portable electronics due to its low quiescent current.  

### **Features**:
- **Low Dropout Voltage**: 120mV at 500mA load.  
- **Low Noise**: Optimized for noise-sensitive applications.  
- **Reverse-Current Protection**: Prevents damage from reverse voltage conditions.  
- **Thermal Shutdown & Current Limit**: Protects against overheating and overcurrent.  
- **Stable with Ceramic Capacitors**: Requires only a 1µF output capacitor.  
- **Enable Pin (ON/OFF)**: Allows shutdown mode for power savings.  

This information is sourced from the **MAXIM datasheet** for the MAX6478BL33AD3. No additional guidance or suggestions are included.

Application Scenarios & Design Considerations

300mA LDO Linear Regulators with Internal Microprocessor Reset Circuit

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