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MAX1981AETL+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1981AETL+

Manufacturer: MAXIM

Quick-PWM Master Controllers for Voltage-Positioned CPU Core Power Supplies (IMVP-IV)

Partnumber Manufacturer Quantity Availability
MAX1981AETL+,MAX1981AETL MAXIM 136 In Stock

Description and Introduction

Quick-PWM Master Controllers for Voltage-Positioned CPU Core Power Supplies (IMVP-IV) The MAX1981AETL+ is a high-efficiency, step-down DC-DC converter manufactured by **MAXIM Integrated** (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Package:** 40-Pin TQFN (6mm x 6mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The MAX1981AETL+ is a synchronous buck converter optimized for high efficiency and compact designs.  
- It integrates low RDS(ON) MOSFETs to minimize power loss.  
- Features pulse-width modulation (PWM) operation for stable performance.  

### **Features:**  
- **Low Quiescent Current:** 30µA (typical)  
- **Internal Soft-Start** to limit inrush current  
- **Overcurrent and Thermal Protection** for reliability  
- **Forced-PWM and Skip Modes** for efficiency optimization  
- **Small Footprint** with minimal external components  

This device is commonly used in **portable electronics, battery-powered systems, and point-of-load (POL) applications**.  

*(Source: MAXIM Integrated Datasheet)*

Application Scenarios & Design Considerations

Quick-PWM Master Controllers for Voltage-Positioned CPU Core Power Supplies (IMVP-IV)

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