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MAX8643ETG+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX8643ETG+T

Manufacturer: MAXIM

3A, 2MHz Step-Down Regulator with Integrated Switches

Partnumber Manufacturer Quantity Availability
MAX8643ETG+T MAXIM 27 In Stock

Description and Introduction

3A, 2MHz Step-Down Regulator with Integrated Switches The **MAX8643ETG+T** is a power management IC manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Category:** Power Management IC  
- **Type:** Step-Down (Buck) DC-DC Converter  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable (0.6V to VIN)  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Package:** 24-pin TQFN (4mm x 4mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Features:**  
  - Low quiescent current (30µA typical)  
  - Forced-PWM and Skip modes  
  - Soft-start and short-circuit protection  
  - Thermal shutdown  

### **Description:**  
The **MAX8643ETG+T** is a high-efficiency, synchronous step-down DC-DC converter designed for portable and battery-powered applications. It provides a regulated output voltage with minimal external components, making it suitable for space-constrained designs.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Low Power Consumption:** 30µA typical quiescent current extends battery life.  
- **Adjustable Output:** Supports output voltages from 0.6V to VIN.  
- **1MHz Switching Frequency:** Allows for small external components.  
- **Power-Saving Modes:** Skip mode improves efficiency at light loads.  
- **Protection Features:** Includes thermal shutdown and short-circuit protection.  
- **Compact Package:** 24-pin TQFN (4mm x 4mm) for space-saving designs.  

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

Application Scenarios & Design Considerations

3A, 2MHz Step-Down Regulator with Integrated Switches

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