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MAX1954EUB+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1954EUB+T

Manufacturer: MAXIM

Low-Cost, High-Frequency, Current-Mode PWM Buck Controllers

Partnumber Manufacturer Quantity Availability
MAX1954EUB+T MAXIM 14255 In Stock

Description and Introduction

Low-Cost, High-Frequency, Current-Mode PWM Buck Controllers The MAX1954EUB+T is a 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 information from Ic-phoenix technical data files:  

### **Manufacturer:** MAXIM (Maxim Integrated)  
### **Part Number:** MAX1954EUB+T  

### **Description:**  
The MAX1954EUB+T is a high-efficiency, step-down DC-DC converter designed to deliver up to **1.5A** of output current. It operates over a wide input voltage range and integrates synchronous rectification for improved efficiency.  

### **Key Specifications:**  
- **Input Voltage Range:** **2.6V 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 (UMAX)**  

### **Features:**  
- **Synchronous Rectification** for high efficiency  
- **Low Dropout Operation** (100% duty cycle)  
- **Internal Soft-Start** to limit inrush current  
- **Pulse-Width Modulation (PWM) Mode** for low-noise operation  
- **Power-Good Output** for monitoring  
- **Overcurrent and Thermal Protection**  
- **Small Footprint (µMAX Package)**  

This IC is commonly used in **portable devices, battery-powered applications, and point-of-load regulation** due to its compact size and high efficiency.  

(Note: For the latest datasheet or additional details, refer to the official Maxim Integrated/Analog Devices documentation.)

Application Scenarios & Design Considerations

Low-Cost, High-Frequency, Current-Mode PWM Buck Controllers

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