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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 MAXIM 68 In Stock

Description and Introduction

Quick-PWM Master Controllers for Voltage-Positioned CPU Core Power Supplies (IMVP-IV) The MAX1981AETL is a DC-DC converter from Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Manufacturer:**  
MAXIM (now part of Analog Devices)  

### **Part Number:**  
MAX1981AETL  

### **Description:**  
The MAX1981AETL is a high-efficiency, step-down DC-DC converter designed for applications requiring a regulated power supply. It integrates a synchronous rectifier to improve efficiency and reduce external component count.  

### **Key Features:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.6V to VIN  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Integrated Synchronous Rectifier:** Reduces external diode requirements  
- **Low Dropout Operation:** 100% duty cycle for lowest dropout  
- **Power-Saving Mode:** Skip mode for improved efficiency at light loads  
- **Protection Features:** Overcurrent and thermal shutdown  
- **Package:** 40-Pin TQFN (6mm x 6mm)  

### **Applications:**  
- Portable devices  
- Battery-powered equipment  
- Point-of-load (POL) regulation  
- Networking and telecom systems  

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

Application Scenarios & Design Considerations

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

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