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MAX1623EAP+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1623EAP+T

Manufacturer: MAXIM, MAX, N/A

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

Partnumber Manufacturer Quantity Availability
MAX1623EAP+T,MAX1623EAPT MAXIM, MAX, N/A 5039 In Stock

Description and Introduction

3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches The MAX1623EAP+T is a step-down switching regulator manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual details about its specifications, descriptions, and features:

### **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 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-pin SSOP (Shrink Small Outline Package)  
- **Topology:** Buck (Step-Down) Converter  
- **Duty Cycle:** Up to 100%  
- **Dropout Voltage:** 0.5V (typical)  

### **Descriptions:**  
The MAX1623EAP+T is a high-efficiency, step-down DC-DC converter designed for applications requiring a regulated output voltage from a higher input voltage. It integrates a power MOSFET switch and control circuitry, minimizing external component count. The device is suitable for battery-powered systems, industrial controls, and distributed power supplies.

### **Features:**  
- **Wide Input Voltage Range (4V–30V)**  
- **Adjustable Output Voltage (1.25V–29V)**  
- **High Efficiency (Up to 90%)**  
- **Internal Power MOSFET Switch**  
- **Low Dropout Operation (0.5V typical)**  
- **Fixed-Frequency PWM Operation (300kHz)**  
- **Overcurrent and Thermal Protection**  
- **Soft-Start Functionality**  
- **Small Footprint (20-pin SSOP Package)**  

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

  • LTC3412AEFE#PBF --: High-efficiency step-down DC-DC converter in a similar power class with comparable input voltage range, suitable as a functional replacement.
  • TPS54331D --: Widely available 3A step-down converter with similar switching regulator function and easy second-source availability.
  • LM2678T-ADJ --: Robust adjustable step-down regulator with comparable current capability, commonly used as an alternative in similar power supply designs.
  • LM2596S-ADJ --: Adjustable step-down regulator in TO-263 with similar input voltage range and output current, widely available and commonly used as a drop-in alternative for MAX16xx buck converters.
  • MP1584EN --: Compact high-efficiency step-down converter with adjustable output and comparable switching frequency, suitable as a lower-cost alternative when board space allows an SOIC-8 footprint.
  • TPS5430DDA --: Step-down DC-DC converter in an SOIC-8 style package with comparable input voltage range and current capability, widely available and pin-compatible in function.
  • LM2675M-ADJ --: Adjustable buck regulator with similar switching frequency and output current, a common drop-in functional substitute for MAX1623 designs.
  • MC34063ACD --: Versatile general-purpose switching regulator IC that can be configured as a buck converter, low cost and broadly stocked as a fallback option.

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