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MAX5020CSA from MAXIM,MAXIM - Dallas Semiconductor

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MAX5020CSA

Manufacturer: MAXIM

Current-mode PWM controller with integrated startup circuit

Partnumber Manufacturer Quantity Availability
MAX5020CSA MAXIM 5 In Stock

Description and Introduction

Current-mode PWM controller with integrated startup circuit The MAX5020CSA is a high-voltage, low-power 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 40V  
- **Output Voltage Range:** Adjustable from 1.25V to 37V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 100kHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 8-pin SOIC (CSA denotes the package type)  
- **Dropout Voltage:** 1.5V (typical)  
- **Quiescent Current:** 1.5mA (typical)  

### **Descriptions:**  
The MAX5020CSA is a step-down DC-DC converter designed for applications requiring high input voltage and low power consumption. It integrates a power MOSFET and a synchronous rectifier, reducing external component count. The device is suitable for industrial, automotive, and battery-powered systems where efficiency and compact design are critical.  

### **Features:**  
- **Wide Input Voltage Range (4V to 40V)**  
- **Internal Power MOSFET and Synchronous Rectifier**  
- **Adjustable Output Voltage (1.25V to 37V)**  
- **Low Quiescent Current (1.5mA typical)**  
- **Thermal Shutdown Protection**  
- **Short-Circuit Protection**  
- **Compact 8-Pin SOIC Package**  

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

Application Scenarios & Design Considerations

Current-mode PWM controller with integrated startup circuit

Alternative Part Number

  • UC3843BD1 --: Industry-standard current-mode PWM controller in SOIC-8, functionally similar to the MAX5020 boost/SEPIC controller and widely available as a lower-cost second source.
  • LM3478MM --: Low-side N-channel MOSFET boost/SEPIC controller with comparable input range and switching frequency, suitable drop-in for many MAX5020 applications.
  • NCP3063DR2G --: Versatile boost/inverting switching regulator in SOIC-8 that can cover similar step-up converter roles where the MAX5020 is used, with good availability.

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