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MAX8557ETE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX8557ETE+

Manufacturer: MAXIM

4A Ultra-Low-Input-Voltage LDO Regulators

Partnumber Manufacturer Quantity Availability
MAX8557ETE+,MAX8557ETE MAXIM 60 In Stock

Description and Introduction

4A Ultra-Low-Input-Voltage LDO Regulators The MAX8557ETE+ is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on the available knowledge:

### **Specifications:**
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.6V to VIN  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Pin TQFN (5mm x 5mm)  
- **Duty Cycle:** Up to 100%  

### **Descriptions:**  
The MAX8557ETE+ is a synchronous step-down DC-DC converter designed for high-efficiency power conversion in applications such as portable devices, networking equipment, and industrial systems. It integrates high-side and low-side MOSFETs, reducing external component count. The device supports forced-PWM and pulse-skipping modes for improved efficiency across load conditions.

### **Features:**  
- **Integrated Power MOSFETs** (No external FETs required)  
- **Adjustable Output Voltage** (0.6V to VIN)  
- **1MHz Fixed Switching Frequency**  
- **High Efficiency (Up to 95%)**  
- **100% Duty Cycle Operation** (Supports low dropout)  
- **Overcurrent and Thermal Protection**  
- **Forced-PWM and Pulse-Skipping Modes**  
- **Small Footprint (16-Pin TQFN)**  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

4A Ultra-Low-Input-Voltage LDO Regulators
Partnumber Manufacturer Quantity Availability
MAX8557ETE+ N/A 2500 In Stock

Description and Introduction

4A Ultra-Low-Input-Voltage LDO Regulators The MAX8557ETE+ is a step-down DC-DC converter manufactured by N/A.  

### Specifications:  
- **Input Voltage Range:** 2.9V 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-EP  

### Descriptions:  
The MAX8557ETE+ is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring high output current with a compact footprint. It integrates power MOSFETs and features a fixed-frequency PWM control scheme for stable performance.  

### Features:  
- Integrated Synchronous Rectifier  
- Adjustable Output Voltage  
- Overcurrent and Thermal Protection  
- Low-Dropout Operation  
- Soft-Start Function  
- Power-Good Indicator  
- Small Footprint (TQFN Package)  

For detailed electrical characteristics and application circuits, refer to the official datasheet.

Application Scenarios & Design Considerations

4A Ultra-Low-Input-Voltage LDO Regulators

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