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MAX1541 from MAX,MAXIM - Dallas Semiconductor

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MAX1541

Manufacturer: MAX

Dual Step-Down Controllers with Saturation Protection, Dynamic Output, and Linear Regulator

Partnumber Manufacturer Quantity Availability
MAX1541 MAX 25 In Stock

Description and Introduction

Dual Step-Down Controllers with Saturation Protection, Dynamic Output, and Linear Regulator The MAX1541 is a high-efficiency, 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:** 2.6V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 40µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** 8-pin µMAX, 10-pin µMAX  

### **Descriptions:**  
The MAX1541 is a synchronous step-down DC-DC converter optimized for low-power applications. It integrates both high-side and low-side MOSFETs, reducing external component count. The device operates at a fixed 1MHz switching frequency, allowing the use of small inductors and capacitors. It features pulse-width modulation (PWM) for high efficiency across a wide load range.  

### **Features:**  
- **Integrated Synchronous Rectifier:** Improves efficiency by eliminating the need for an external Schottky diode.  
- **Low Dropout Operation:** Maintains regulation even when the input voltage approaches the output voltage.  
- **Power-Saving Mode (PSM):** Automatically switches to a low-power mode at light loads to improve efficiency.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Overcurrent and Thermal Protection:** Safeguards the device and load.  
- **Small Footprint:** Suitable for space-constrained applications.  

The MAX1541 is commonly used in portable electronics, battery-powered devices, and embedded systems requiring efficient power conversion.  

For detailed electrical characteristics, refer to the official datasheet from Maxim Integrated (Analog Devices).

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