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MAX1842EEE-T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1842EEE-T

Manufacturer: MAXIM, MAX

1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches

Partnumber Manufacturer Quantity Availability
MAX1842EEE-T,MAX1842EEET MAXIM, MAX 1267 In Stock

Description and Introduction

1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches The MAX1842EEE-T is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1842EEE-T  
- **Type:** Step-Down (Buck) DC-DC Converter  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable (0.8V to VIN)  
- **Output Current:** Up to 2A  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-QSOP (Exposed Pad)  
- **Regulation Type:** PWM (Pulse-Width Modulation)  
- **Protection Features:** Overcurrent, Undervoltage Lockout (UVLO), Thermal Shutdown  

### **Descriptions:**  
The MAX1842EEE-T is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring high current in a compact footprint. It integrates both high-side and low-side MOSFETs, reducing external component count. The device operates at a fixed 1MHz switching frequency, allowing for small external components while maintaining high efficiency.  

### **Features:**  
- **High Efficiency (Up to 95%)**  
- **Integrated Synchronous Rectifier** (Reduces external diode requirement)  
- **Adjustable Output Voltage (0.8V to VIN)**  
- **1MHz Fixed Switching Frequency**  
- **Low Dropout Operation (100% Duty Cycle)**  
- **Overcurrent and Thermal Protection**  
- **Undervoltage Lockout (UVLO)**  
- **Small 16-QSOP Package with Exposed Pad**  

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

Application Scenarios & Design Considerations

1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches

Alternative Part Number

  • TPS62090RGTR --: High-efficiency step-down converter in QFN package with similar input voltage range and current capability, suitable as a functional replacement.
  • LT3505EDD#PBF --: Wide-input buck converter with comparable switching frequency and output current, available in DFN package for drop-in style redesign.
  • AP3211KTR-G1 --: Low-cost synchronous buck converter with similar voltage/current ratings, good alternative when cost and availability are priorities.
  • LTC3406ES5#TRPBF --: High-efficiency step-down DC-DC converter in a small SOT-23 package, functionally similar to the MAX1842 buck regulator and suitable as a drop-in alternative for many low-voltage rail designs.
  • TPS62203DBVR --: Widely available synchronous step-down converter with comparable input/output voltage range and current capability, offering a cost-effective replacement with good second-source availability.
  • AP3402KTR-G1 --: Compact buck converter with similar switching regulator function and electrical ratings, providing a lower-cost alternative for space-constrained power supply applications.
  • TPS62290DRVR --: Low-input-voltage step-down converter with comparable current capability and pin-compatible footprint options.
  • RT8059GJ5 --: Compact 1A step-down converter offering similar performance and a cost-effective alternative.

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