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MAX8557ETE from MAXIM,MAXIM - Dallas Semiconductor

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MAX8557ETE

Manufacturer: MAXIM

PLASTIC ENCAPSULATED DEVICES

Partnumber Manufacturer Quantity Availability
MAX8557ETE MAXIM 4 In Stock

Description and Introduction

PLASTIC ENCAPSULATED DEVICES The MAX8557ETE is a step-down DC-DC converter manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 2.6V 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:** 16-Pin TQFN (5mm x 5mm)  

### **Descriptions:**  
The MAX8557ETE is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring high output current in a compact form factor. It integrates both high-side and low-side MOSFETs to minimize external component count and PCB space. The device operates at a fixed switching frequency of 1MHz, allowing the use of small inductors and capacitors.  

### **Features:**  
- **Integrated Power MOSFETs** for reduced external components.  
- **Adjustable Output Voltage** (0.6V to VIN) via external resistors.  
- **High Efficiency** (up to 95%) with synchronous rectification.  
- **1MHz Fixed Switching Frequency** for compact design.  
- **Overcurrent and Thermal Protection** for enhanced reliability.  
- **Low-Dropout Operation** for extended battery life.  
- **Soft-Start Function** to limit inrush current.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

PLASTIC ENCAPSULATED DEVICES

Alternative Part Number

  • TPS7A4700RGWR --: Low-noise, high-PSRR LDO in a similar current class; excellent replacement when ultra-low noise and wide input range are needed.
  • LT3045EDD#PBF --: Ultra-low-noise, high-PSRR LDO with comparable output current; strong alternative for noise-sensitive analog rails.
  • ADP7157ACPZ-1.2-R7 --: Low-noise LDO with similar package footprint and current capability; suitable drop-in style substitute for many MAX8557 applications.

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