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MAX509BEAP from MAXIM,MAXIM - Dallas Semiconductor

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MAX509BEAP

Manufacturer: MAXIM, MAX

Quad, Serial 8-Bit DACs with Rail-to-Rail Outputs

Partnumber Manufacturer Quantity Availability
MAX509BEAP MAXIM, MAX 292 In Stock

Description and Introduction

Quad, Serial 8-Bit DACs with Rail-to-Rail Outputs The MAX509BEAP is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Here are its key specifications, descriptions, and features:

### **Manufacturer:** Maxim Integrated  
### **Part Number:** MAX509BEAP  

### **Key Specifications:**  
- **Input Voltage Range:** 7.5V to 40V  
- **Output Voltage Range:** Adjustable from 1.25V to 37V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 100kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-pin SSOP (Shrink Small Outline Package)  

### **Descriptions:**  
- The MAX509BEAP is a step-down (buck) DC-DC converter designed for high-efficiency power conversion.  
- It integrates a power MOSFET switch, reducing external component count.  
- Suitable for industrial, automotive, and telecom applications requiring stable power from a wide input range.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 7.5V to 40V operation.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Internal Power MOSFET:** Simplifies design and reduces external parts.  
- **Low Quiescent Current:** Improves efficiency at light loads.  
- **Overcurrent and Thermal Protection:** Enhances reliability.  
- **Soft-Start Function:** Reduces inrush current during startup.  

This information is based solely on the manufacturer's datasheet. For detailed application notes or design considerations, refer to Maxim Integrated's official documentation.

Application Scenarios & Design Considerations

Quad, Serial 8-Bit DACs with Rail-to-Rail Outputs

Alternative Part Number

  • AD724JRZ --: Quad 12-bit DAC with similar architecture and pinout, widely available and often used as a direct substitute for the MAX509 in industrial designs.
  • DAC7624AP --: Quad 12-bit voltage-output DAC with comparable specifications and a similar parallel interface, suitable as a functional replacement.
  • LTC1454CN --: Quad 12-bit DAC offering similar performance and interface, a viable alternative when the MAX509 is unavailable.
  • AD724JR --: Quad 8-bit DAC with similar architecture and SSOP-20 package, widely available and pin-compatible in most designs.
  • DAC08EQ --: 8-bit multiplying DAC offering comparable resolution and performance, suitable as a functional replacement with minor circuit adjustments.
  • TLC7528CN --: Dual 8-bit multiplying DAC with similar interface, useful when two channels can replace the quad function or for lower-channel-count designs.

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