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MAX1541ETL from MAX,MAXIM - Dallas Semiconductor

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MAX1541ETL

Manufacturer: MAX, MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX1541ETL MAX, MAXIM 630 In Stock

Description and Introduction

Dual Step-Down Controllers with Saturation Protection, Dynamic Output, and Linear Regulator The MAX1541ETL is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1541ETL  
- **Type:** Step-Down DC-DC Converter  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable (0.8V to VIN)  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Package:** 40-Pin TQFN (6mm x 6mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX1541ETL is a high-efficiency, step-down DC-DC converter designed for applications requiring a regulated low-voltage supply from a higher input voltage. It integrates synchronous rectification to improve efficiency and reduce external component count. The device operates at a fixed 1MHz switching frequency, allowing for compact inductor and capacitor selection.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Dropout Operation:** Allows output voltage close to input voltage.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Power-Good Output:** Monitors output voltage status.  
- **Overcurrent and Thermal Protection:** Enhances system reliability.  
- **Small Footprint:** 40-pin TQFN package for space-constrained applications.  

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

Application Scenarios & Design Considerations

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

Alternative Part Number

  • TPS51116PWP --: DDR memory power supply controller with integrated LDO, functionally similar to the MAX1541 and widely available.
  • ISL6537CRZ --: DDR/DDR2 power controller providing VDDQ and tracking termination supply, comparable to the MAX1541's function.
  • RT9173BGS --: DDR bus termination regulator with sink/source capability, suitable as a functional substitute in DDR power designs.
  • LTC3717EGN --: Synchronous buck controller suitable for DDR termination and memory rail applications, offering similar voltage regulation performance.

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