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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 Controller

Partnumber Manufacturer Quantity Availability
MAX1954EUB MAXIM 4444 In Stock

Description and Introduction

Low-Cost / High-Frequency / Current-Mode PWM Buck Controller The MAX1954EUB is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.7V 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%  
- **Package:** 10-pin µMAX® (3mm x 5mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX1954EUB is a synchronous step-down DC-DC converter optimized for high efficiency and compact size. It integrates low-resistance power MOSFETs and operates at a fixed 1MHz switching frequency, allowing the use of small external components. The device supports a wide input voltage range, making it suitable for battery-powered applications.  

### **Features:**  
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Low Dropout Operation:** Allows output voltage to closely track input voltage.  
- **Pulse-Width Modulation (PWM) Mode:** Ensures low-noise operation.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Overcurrent and Thermal Protection:** Enhances reliability.  
- **Adjustable Output Voltage:** Set via an external resistor divider.  
- **Small Footprint:** 10-pin µMAX package for space-constrained applications.  

The MAX1954EUB is commonly used in portable electronics, point-of-load regulation, and battery-powered devices.

Application Scenarios & Design Considerations

Low-Cost / High-Frequency / Current-Mode PWM Buck Controller
Partnumber Manufacturer Quantity Availability
MAX1954EUB MAX 7217 In Stock

Description and Introduction

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

### **Manufacturer:** Maxim Integrated  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Output Current:** Up to 4A  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin µMAX® (3mm x 5mm)  

### **Descriptions:**  
The MAX1954EUB is a high-efficiency, step-down DC-DC converter designed for applications requiring high output current with a wide input voltage range. It integrates a synchronous rectifier for improved efficiency and reduced external component count.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 28V)**  
- **Adjustable Output Voltage (1.25V to 5.5V)**  
- **High Efficiency (Up to 95%)**  
- **Internal Synchronous Rectifier**  
- **300kHz Fixed Switching Frequency**  
- **Overcurrent and Thermal Protection**  
- **Low Dropout Operation**  
- **Small Footprint (µMAX Package)**  

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

Application Scenarios & Design Considerations

Low-Cost / High-Frequency / Current-Mode PWM Buck Controller
Partnumber Manufacturer Quantity Availability
MAX1954EUB MAXIM 7450 In Stock

Description and Introduction

Low-Cost / High-Frequency / Current-Mode PWM Buck Controller 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  
- **Input Voltage Range:** 2.6V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 96%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX1954EUB is a synchronous, step-down DC-DC converter optimized for high efficiency and compact size. It integrates both high-side and low-side MOSFETs, reducing external component count. The device operates at a fixed 1MHz switching frequency, allowing for small external components and low output ripple.  

### **Features:**  
- High efficiency (up to 96%)  
- Integrated synchronous rectifier  
- Adjustable output voltage (0.8V to VIN)  
- 1MHz fixed switching frequency  
- Low dropout operation (100% duty cycle)  
- Overcurrent and thermal protection  
- Soft-start functionality  
- Small 10-pin µMAX package  

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

Application Scenarios & Design Considerations

Low-Cost / High-Frequency / Current-Mode PWM Buck Controller

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