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MAX1623EAP from MAXIM,MAXIM - Dallas Semiconductor

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MAX1623EAP

Manufacturer: MAXIM, MAXIN, MAX

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

Partnumber Manufacturer Quantity Availability
MAX1623EAP MAXIM, MAXIN, MAX 5114 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 its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** 4V to 30V  
- **Output Voltage Range:** Adjustable from 1.25V to 29V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 300kHz  
- **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 a regulated lower voltage from a higher input supply. It uses a pulse-width modulation (PWM) control scheme for stable output voltage regulation. The device is suitable for battery-powered systems, industrial controls, and distributed power systems.

### **Features:**
- **Wide Input Voltage Range (4V to 30V)** – Supports various power sources.  
- **Adjustable Output Voltage (1.25V to 29V)** – Set via external resistors.  
- **High Efficiency (Up to 95%)** – Minimizes power loss.  
- **300kHz Switching Frequency** – Reduces external component size.  
- **Low Dropout Operation** – Maintains regulation even when input voltage is close to output.  
- **Overcurrent and Thermal Protection** – Enhances reliability.  
- **Soft-Start Capability** – Reduces inrush current.  
- **SSOP-20 Package** – Compact footprint for space-constrained applications.  

This information is strictly based on manufacturer-provided data. For detailed application notes or design considerations, refer to the official datasheet.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • LTC3406ES5 --: High-efficiency synchronous step-down converter in a small package, functionally similar to the MAX1623 buck regulator and widely available as a drop-in style alternative.
  • TPS62203DBVR --: Low-input-voltage step-down DC-DC converter with comparable current capability and pin-compatible SOT-23 footprint, suitable replacement for portable power designs.
  • AP3402KTR-G1 --: Compact synchronous buck converter offering similar input range and output current, cost-effective alternative for MAX1623 applications.
  • LTC3405AES6 --: High-efficiency synchronous step-down converter in a small package, functionally similar to the MAX1623 buck regulator and widely available.
  • TPS62040 --: Low-input-voltage step-down DC-DC converter with comparable current capability and pin-compatible design approach.
  • AP3418KTR-G1 --: Compact synchronous buck converter offering similar input range and output current, suitable as a cost-effective substitute.
  • LT1777CS8 --: High-voltage step-down switching regulator in an SO-8 package with comparable input range and current capability, suitable as a functional substitute.
  • LM5008MM --: Wide-input buck regulator with integrated switch, similar voltage and current ratings, available in a small package for drop-in redesign.
  • MC34063AD --: Versatile general-purpose DC-DC converter IC that can be configured as a step-down regulator covering similar input/output ranges at lower cost.

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