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MAX1954EUB+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1954EUB+

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX1954EUB+,MAX1954EUB MAXIM 26250 In Stock

Description and Introduction

Low-Cost, High-Frequency, Current-Mode PWM Buck Controllers The MAX1954EUB+ is a step-down DC-DC converter manufactured by **MAXIM Integrated** (now part of Analog Devices). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** MAXIM  
- **Part Number:** MAX1954EUB+  
- **Type:** Step-Down (Buck) DC-DC Converter  
- **Input Voltage Range:** 2.6V to 5.5V  
- **Output Voltage Range:** Adjustable (0.8V to VIN)  
- **Output Current:** Up to **1A**  
- **Switching Frequency:** **1MHz** (fixed)  
- **Efficiency:** Up to **95%**  
- **Package:** **10-pin µMAX** (3mm x 5mm)  
- **Operating Temperature Range:** **-40°C to +85°C**  

### **Descriptions:**  
The MAX1954EUB+ is a high-efficiency, step-down DC-DC converter designed for portable and battery-powered applications. It integrates a synchronous rectifier for improved efficiency and operates at a fixed 1MHz switching frequency, allowing the use of small external components.  

### **Features:**  
- **High Efficiency (up to 95%)**  
- **Low Dropout Operation**  
- **1MHz Fixed Switching Frequency**  
- **Internal Synchronous Rectifier**  
- **Adjustable Output Voltage (0.8V to VIN)**  
- **Low Quiescent Current (30µA typical)**  
- **Overcurrent and Thermal Protection**  
- **Soft-Start Function**  
- **Small µMAX Package (10-pin, 3mm x 5mm)**  

This information is strictly based on the manufacturer's datasheet for the MAX1954EUB+.

Application Scenarios & Design Considerations

Low-Cost, High-Frequency, Current-Mode PWM Buck Controllers
Partnumber Manufacturer Quantity Availability
MAX1954EUB+,MAX1954EUB MAX 13840 In Stock

Description and Introduction

Low-Cost, High-Frequency, Current-Mode PWM Buck Controllers The MAX1954EUB+ is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1954EUB+  
- **Package:** 10-pin µMAX (3mm x 5mm)  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 500kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX1954EUB+ is a synchronous step-down DC-DC converter designed for high-efficiency power conversion in applications requiring a wide input voltage range. It integrates both high-side and low-side MOSFETs, reducing external component count. The device operates in pulse-width modulation (PWM) mode for optimal efficiency and includes features like soft-start, overcurrent protection, and thermal shutdown.  

### **Features:**  
- **High Efficiency (up to 95%)**  
- **Integrated Synchronous Rectifier**  
- **Adjustable Output Voltage (1.25V to 5.5V)**  
- **500kHz Fixed Switching Frequency**  
- **Overcurrent and Thermal Protection**  
- **Soft-Start Functionality**  
- **Low Dropout Operation**  
- **Compact µMAX Package**  

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

Application Scenarios & Design Considerations

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

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