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MAX8646ETG+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX8646ETG+T

Manufacturer: MAXIM, MAX

6A, 2MHz Step-Down Regulator with Integrated Switches

Partnumber Manufacturer Quantity Availability
MAX8646ETG+T,MAX8646ETGT MAXIM, MAX 386 In Stock

Description and Introduction

6A, 2MHz Step-Down Regulator with Integrated Switches The **MAX8646ETG+T** is a **synchronous step-down DC-DC converter** manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:  

### **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:** **24-Pin TQFN (5mm x 5mm)**  
- **Control Method:** **PWM (Pulse-Width Modulation)**  
- **Protection Features:** Overcurrent, undervoltage lockout (UVLO), and thermal shutdown  

### **Descriptions:**  
The **MAX8646ETG+T** is a high-efficiency, synchronous buck converter designed for **point-of-load (POL) applications**. It integrates **low-RDS(ON) MOSFETs** to minimize power loss and supports **forced-PWM mode** for low-noise operation. It is optimized for **battery-powered and portable devices**, providing stable power delivery with minimal external components.  

### **Features:**  
- **High Efficiency (up to 95%)**  
- **3A Output Current Capability**  
- **Adjustable Output Voltage (0.6V to VIN)**  
- **1MHz Fixed Switching Frequency**  
- **Integrated Synchronous Rectifiers**  
- **Low Dropout Operation**  
- **Power-Good Output Monitor**  
- **Overcurrent and Thermal Protection**  
- **Small 24-Pin TQFN Package**  

This information is sourced from the manufacturer's datasheet and product documentation. No additional guidance or suggestions are included.

Application Scenarios & Design Considerations

6A, 2MHz Step-Down Regulator with Integrated Switches

Alternative Part Number

  • TPS54620RHLR --: 6A synchronous step-down converter in a small QFN package with similar input voltage range and current rating, widely available and pin-compatible in function.
  • LTC3605EUF#PBF --: 5A synchronous buck regulator with comparable switching frequency and compact QFN footprint, suitable drop-in functional replacement.
  • ISL8016IRAJZ --: 6A high-efficiency synchronous buck converter with similar electrical specifications and small package, offering a cost-effective alternative.
  • LTC3606EUD#PBF --: High-efficiency step-down DC-DC converter with comparable switching frequency and output current, suitable drop-in replacement with minor layout adjustment.
  • MP2145GD-Z --: Compact synchronous buck converter offering similar voltage and current specifications at lower cost, good alternative when board space is constrained.

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