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MAX7528KN from MAXIM,MAXIM - Dallas Semiconductor

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MAX7528KN

Manufacturer: MAXIM

CMOS Dual 8-Bit Buffered Multiplying DACs

Partnumber Manufacturer Quantity Availability
MAX7528KN MAXIM 27 In Stock

Description and Introduction

CMOS Dual 8-Bit Buffered Multiplying DACs The MAX7528KN is a step-up (boost) switching regulator manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 3V to 5.5V (fixed or via external resistors)  
- **Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 500kHz (typical)  
- **Efficiency:** Up to 90%  
- **Package:** 16-pin PDIP (Plastic Dual In-Line Package)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Shutdown Current:** <1µA  

### **Descriptions:**  
- The MAX7528KN is a high-efficiency, low-power step-up DC-DC converter designed 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.  

### **Features:**  
- **Adjustable/Fixed Output Voltage** (factory-trimmed for 3.3V or 5V options)  
- **Low Quiescent Current:** 100µA (typical)  
- **Internal Power MOSFET** (simplifies design)  
- **Pulse-Width Modulation (PWM) Operation** for stable performance  
- **Soft-Start Function** to limit inrush current  
- **Thermal Shutdown Protection**  
- **Current-Limiting Protection**  

This device is commonly used in portable electronics, battery-powered systems, and low-voltage power supplies.  

(Note: Always refer to the official datasheet for detailed and updated specifications.)

Application Scenarios & Design Considerations

CMOS Dual 8-Bit Buffered Multiplying DACs

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