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MAX253CPA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX253CPA+

Manufacturer: MAXIM

1W Primary-Side Transformer H-Bridge Driver for Isolated Supplies

Partnumber Manufacturer Quantity Availability
MAX253CPA+ MAXIM 5000 In Stock

Description and Introduction

1W Primary-Side Transformer H-Bridge Driver for Isolated Supplies The MAX253CPA+ is a transformer driver IC manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on the factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX253CPA+  
- **Package:** 8-Pin PDIP (Plastic Dual Inline Package)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Supply Voltage (V+):** 4.5V to 5.5V  
- **Output Current:** Up to 350mA (peak)  
- **Switching Frequency:** Adjustable (external resistor programmable)  
- **Primary Inductance Range:** 100µH to 1mH (typical)  
- **Duty Cycle:** Up to 50%  

### **Descriptions:**  
The MAX253CPA+ is a monolithic transformer driver designed for isolated power supply applications. It provides a high-efficiency, regulated output by driving an external transformer. The device includes an oscillator, a high-current output driver, and feedback control circuitry. It is commonly used in telecom, industrial, and medical applications requiring isolated power conversion.  

### **Features:**  
- **Integrated Oscillator:** Allows for adjustable switching frequency via an external resistor.  
- **High-Efficiency Operation:** Optimized for driving low-loss transformers.  
- **Feedback Control:** Supports primary-side regulation for stable output.  
- **Wide Input Voltage Range:** Operates from 4.5V to 5.5V.  
- **High Output Drive Capability:** Supports peak currents up to 350mA.  
- **Thermal Protection:** Includes built-in thermal shutdown for safety.  
- **Low Power Consumption:** Suitable for battery-powered applications.  

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

Application Scenarios & Design Considerations

1W Primary-Side Transformer H-Bridge Driver for Isolated Supplies

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