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MAX1623EAP+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1623EAP+

Manufacturer: MAXIM, MAX

3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches
Partnumber Manufacturer Quantity Availability
MAX1623EAP+ MAXIM, MAX 673 In Stock

Description and Introduction

3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches The MAX1623EAP+ is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
- **MAX (Maxim Integrated, now Analog Devices)**  

### **Specifications:**  
- **Input Voltage Range:** 4V to 30V  
- **Output Voltage Range:** Adjustable from 1.25V to 29V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 300kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-pin SSOP (Shrink Small Outline Package)  

### **Descriptions:**  
- The MAX1623EAP+ is a high-efficiency, step-down DC-DC converter designed for applications requiring high input voltage and low output voltage.  
- It integrates a power MOSFET switch, reducing external component count.  
- Suitable for battery-powered systems, industrial controls, and distributed power supplies.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors.  
- **Low Dropout Operation** for extended battery life.  
- **Internal Soft-Start** to limit inrush current.  
- **Overcurrent and Thermal Protection** for reliability.  
- **Low Quiescent Current** (typically 1.5mA).  
- **Synchronous Rectification** for improved efficiency.  

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

Application Scenarios & Design Considerations

3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches

Alternative Part Number

  • LTC1623CS8 --: Similar step-up DC-DC converter in an SO-8 package with comparable input voltage range and switching frequency, suitable as a functional replacement with minor layout adjustments.
  • TPS61020DRB --: Boost converter with integrated switch offering similar output current and voltage ratings; different package (SON) but widely available and pin-compatible in function.
  • NCP1402SN33T1G --: Low-power boost converter with comparable operating voltage and current capability; different series and package, useful as a cost-effective alternative for less demanding loads.
  • LT1776CS8#PBF --: High-voltage step-down switching regulator in an SO-8 package with comparable input range and current capability, widely used as a MAX1623 cross-reference.
  • LM2674M-ADJ/NOPB --: Adjustable step-down regulator in SO-8 with similar switching frequency and load current, pin-function compatible for many MAX1623 designs.
  • MC34063ADR2G --: Versatile adjustable buck/boost/inverting controller in SOIC-8, commonly used as a low-cost functional substitute when exact specifications are not critical.

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