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MAX1623EAP-T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1623EAP-T

Manufacturer: MAXIM, MAX

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

Partnumber Manufacturer Quantity Availability
MAX1623EAP-T,MAX1623EAPT MAXIM, MAX 3755 In Stock

Description and Introduction

3A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches The MAX1623EAP-T is a step-down (buck) switching regulator manufactured by Maxim Integrated. Here are its key 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 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-pin SSOP (Shrink Small Outline Package)  
- **Dropout Voltage:** Typically 1.3V at full load  

### **Descriptions:**
- The MAX1623EAP-T is a high-efficiency, step-down DC-DC converter optimized for battery-powered applications.  
- It integrates a power MOSFET switch, reducing external component count.  
- Features include soft-start, current limiting, and thermal shutdown for protection.  
- Suitable for applications requiring regulated power from a wide input voltage range.  

### **Features:**
- **Wide Input Voltage Range:** Supports 4V to 30V input.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Integrated Power MOSFET:** Simplifies design and reduces external parts.  
- **Protection Features:** Overcurrent, thermal shutdown, and soft-start.  
- **Low Dropout Operation:** Maintains regulation even when input voltage is close to output.  
- **Fixed-Frequency PWM Operation:** Ensures predictable noise performance.  

This information is sourced from Maxim Integrated's official documentation.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • TPS5430DDA --: Step-down DC-DC converter in SOIC-8 PowerPAD with comparable input voltage range and current capability; widely available and pin-compatible in function.
  • LM2675M-ADJ --: Adjustable buck regulator in SOIC-8 with similar switching frequency and current rating, suitable as a functional replacement for the MAX1623.
  • MC34063ADR2G --: Versatile DC-DC converter IC in SOIC-8 that can be configured as a step-down regulator, offering a low-cost alternative with broad availability.
  • LM2596S-ADJ --: Adjustable buck regulator with comparable current capability and wide input range; a well-known drop-in style alternative for many MAX1623 applications.

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