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MAX1544ETL+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1544ETL+T

Manufacturer: MAXIM

Dual-Phase, Quick-PWM Controller for AMD Hammer CPU Core Power Supplies

Partnumber Manufacturer Quantity Availability
MAX1544ETL+T,MAX1544ETLT MAXIM 12500 In Stock

Description and Introduction

Dual-Phase, Quick-PWM Controller for AMD Hammer CPU Core Power Supplies The MAX1544ETL+T is a step-down DC-DC converter manufactured by **MAXIM Integrated** (now part of Analog Devices).  

### **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:** 40-Pin TQFN (6mm x 6mm)  
- **Features:**  
  - Synchronous rectification for high efficiency  
  - Low dropout operation  
  - Internal soft-start  
  - Overcurrent and thermal protection  
  - Power-good output  

### **Descriptions & Features:**  
The MAX1544ETL+T is a high-efficiency, step-down DC-DC converter designed for applications requiring a compact power solution with high performance. It integrates synchronous rectification to minimize power loss and supports a wide input voltage range, making it suitable for battery-powered and portable devices.  

Key features include:  
- **Adjustable Output Voltage** (via external resistors)  
- **High Efficiency** (up to 95%)  
- **1MHz Fixed Switching Frequency** (reduces external component size)  
- **Integrated Power MOSFETs** (simplifies design)  
- **Protection Features** (overcurrent, thermal shutdown)  

This device is commonly used in **portable electronics, networking equipment, and industrial applications**.  

(Note: For exact datasheet details, refer to the official MAXIM/Analog Devices documentation.)

Application Scenarios & Design Considerations

Dual-Phase, Quick-PWM Controller for AMD Hammer CPU Core Power Supplies
Partnumber Manufacturer Quantity Availability
MAX1544ETL+T,MAX1544ETLT MAX 2157 In Stock

Description and Introduction

Dual-Phase, Quick-PWM Controller for AMD Hammer CPU Core Power Supplies The MAX1544ETL+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:

### **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:** 40-Pin TQFN (6mm x 6mm)  
- **Regulation Type:** PWM (Pulse-Width Modulation)  

### **Descriptions:**  
The MAX1544ETL+T is a high-efficiency, synchronous step-down DC-DC converter designed for low-voltage, high-current applications. It integrates power MOSFETs and offers a compact solution for point-of-load (POL) power supplies in portable and embedded systems.  

### **Features:**  
- **Integrated Power MOSFETs** (synchronous rectification)  
- **Adjustable Output Voltage** (via external resistors)  
- **High Efficiency** (up to 95%)  
- **1MHz Fixed Switching Frequency** (reduces external component size)  
- **Soft-Start Function** (prevents inrush current)  
- **Overcurrent and Thermal Protection**  
- **Low Dropout Operation** (supports 100% duty cycle)  
- **Power-Good Output** (monitors output voltage)  

This device is commonly used in applications such as **portable electronics, networking equipment, and industrial systems**.  

Would you like additional details on any specific aspect?

Application Scenarios & Design Considerations

Dual-Phase, Quick-PWM Controller for AMD Hammer CPU Core Power Supplies

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