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MAX8855ETJ+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX8855ETJ+T

Manufacturer: MAXIM

Dual, 5A, 2MHz Step-Down Regulators

Partnumber Manufacturer Quantity Availability
MAX8855ETJ+T MAXIM 1500 In Stock

Description and Introduction

Dual, 5A, 2MHz Step-Down Regulators The MAX8855ETJ+T is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 32-Pin TQFN (5mm x 5mm)  

### **Descriptions:**
The MAX8855ETJ+T is a synchronous buck converter designed for high-performance, low-power applications. It integrates power MOSFETs and provides a compact, high-efficiency solution for point-of-load (POL) power conversion. The device features a fixed-frequency PWM control scheme with optional pulse-skipping mode for improved efficiency at light loads.  

### **Features:**
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Low Dropout Operation:** Allows operation at 100% duty cycle for extended battery life.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Power-Good Output:** Monitors output voltage status.  
- **Overcurrent and Thermal Protection:** Ensures safe operation.  
- **Small Footprint:** 32-pin TQFN package with exposed pad for thermal management.  
- **Adjustable Output Voltage:** Set via external resistors.  

This information is sourced from Maxim Integrated's official datasheet for the MAX8855ETJ+T.

Application Scenarios & Design Considerations

Dual, 5A, 2MHz Step-Down Regulators

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