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MAX8548EUB+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX8548EUB+T

Manufacturer: MAXIM

Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit

Partnumber Manufacturer Quantity Availability
MAX8548EUB+T MAXIM 6000 In Stock

Description and Introduction

Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit The **MAX8548EUB+T** is a high-efficiency, step-down DC-DC converter manufactured by **MAXIM Integrated** (now part of Analog Devices). Below are the key specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to **1.5A**  
- **Switching Frequency:** **1MHz** (fixed)  
- **Efficiency:** Up to **95%**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **10-pin µMAX® (3mm x 3mm)**  

### **Descriptions:**  
- The MAX8548EUB+T is a **synchronous step-down (buck) DC-DC converter** with integrated power MOSFETs.  
- It is designed for **battery-powered and portable applications**, providing high efficiency and low quiescent current.  
- Features **PWM (Pulse-Width Modulation) operation** for optimal efficiency across load ranges.  
- Includes **soft-start** and **undervoltage lockout (UVLO)** for protection.  

### **Features:**  
- **Integrated Power MOSFETs** (no external FETs required)  
- **1MHz Fixed Switching Frequency** (allows small external components)  
- **Low Quiescent Current (30µA typ.)**  
- **100% Duty Cycle Operation** (for dropout conditions)  
- **Short-Circuit and Thermal Protection**  
- **Adjustable Output Voltage via External Resistors**  

This device is commonly used in **portable electronics, PDAs, digital cameras, and handheld instruments**.  

*(Note: Always refer to the official datasheet for detailed technical specifications.)*

Application Scenarios & Design Considerations

Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit

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