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MAX1544ETL from MAXIM,MAXIM - Dallas Semiconductor

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MAX1544ETL

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX1544ETL MAXIM 209 In Stock

Description and Introduction

Dual-Phase / Quick-PWM Controller for AMD Hammer CPU Core Power Supplies The MAX1544ETL is a step-up DC-DC converter manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** Step-Up (Boost) DC-DC Converter  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable up to 5.5V  
- **Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 1.2MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 40-Pin TQFN (Thin Quad Flat No-Lead)  
- **Shutdown Current:** <1µA  

### **Descriptions:**  
The MAX1544ETL is a high-efficiency, low-voltage, step-up DC-DC converter designed for battery-powered applications. It integrates synchronous rectification to improve efficiency and reduce external component count. The device operates from input voltages as low as 0.7V, making it suitable for single-cell or multi-cell battery systems.  

### **Features:**  
- **True Output Disconnect** in shutdown mode  
- **Synchronous Rectification** for improved efficiency  
- **Adjustable Output Voltage** via external resistors  
- **Low Quiescent Current** (30µA typical)  
- **Internal Soft-Start** to limit inrush current  
- **Thermal Shutdown Protection**  
- **Overcurrent Protection**  

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

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