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MAX8559EBAII from MAXIM,MAXIM - Dallas Semiconductor

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MAX8559EBAII

Manufacturer: MAXIM

Dual, 300mA, Low-Noise Linear Regulator with Independent Shutdown in UCSP or TDFN

Partnumber Manufacturer Quantity Availability
MAX8559EBAII MAXIM 15150 In Stock

Description and Introduction

Dual, 300mA, Low-Noise Linear Regulator with Independent Shutdown in UCSP or TDFN The MAX8559EBAII is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on available factual data:

### **Specifications:**
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.6V to VIN  
- **Output Current:** Up to 4A  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin TQFN (5mm x 5mm)  

### **Descriptions:**
- The MAX8559EBAII is a synchronous step-down DC-DC converter designed for high-efficiency power conversion in portable and embedded applications.  
- It integrates low RDS(ON) MOSFETs to minimize power loss and improve thermal performance.  
- The device supports forced PWM (Pulse-Width Modulation) operation for low-noise applications.  

### **Features:**
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Dropout Operation:** Allows operation at 100% duty cycle.  
- **Power-Good Output:** Monitors output voltage status.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Overcurrent & Overtemperature Protection:** Enhances system reliability.  
- **Forced PWM Mode:** Ensures constant-frequency operation for noise-sensitive applications.  

This information is derived from Maxim Integrated's official documentation. For detailed application notes or design considerations, refer to the datasheet.

Application Scenarios & Design Considerations

Dual, 300mA, Low-Noise Linear Regulator with Independent Shutdown in UCSP or TDFN

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