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UC1838AJ/883B from UC

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UC1838AJ/883B

Manufacturer: UC

MAGNETIC AMPLIFIER CONTROLLER

Partnumber Manufacturer Quantity Availability
UC1838AJ/883B,UC1838AJ883B UC 20 In Stock

Description and Introduction

MAGNETIC AMPLIFIER CONTROLLER The UC1838AJ/883B is a high-performance pulse width modulation (PWM) controller manufactured by Texas Instruments. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
- Texas Instruments  

### **Part Number:**  
- UC1838AJ/883B  

### **Description:**  
- The UC1838AJ/883B is a military-grade, radiation-hardened PWM controller designed for high-reliability applications.  
- It is part of the UC1838 series, which is qualified for military and aerospace applications.  

### **Key Features:**  
1. **Radiation-Hardened:**  
   - Designed to withstand harsh radiation environments, making it suitable for space and military applications.  

2. **Wide Operating Voltage Range:**  
   - Operates from **4.5V to 40V** input supply.  

3. **High-Frequency Operation:**  
   - Supports switching frequencies up to **1MHz**.  

4. **Precision Reference:**  
   - Includes a **5.1V ±1%** precision voltage reference.  

5. **Adjustable Deadtime Control:**  
   - Allows precise control of deadtime between outputs.  

6. **Dual PWM Outputs:**  
   - Provides two complementary PWM outputs with adjustable duty cycle.  

7. **Current Limiting:**  
   - Features cycle-by-cycle current limiting for protection.  

8. **Soft-Start Capability:**  
   - Includes soft-start functionality to reduce inrush current.  

9. **Temperature Range:**  
   - Operates over a **-55°C to +125°C** temperature range.  

10. **Military Qualification:**  
    - Meets **MIL-PRF-38535** Class K and QML standards.  

### **Applications:**  
- Military and aerospace power supplies  
- Radiation-hardened systems  
- High-reliability DC-DC converters  
- Spacecraft power management  

### **Package:**  
- Available in a **16-pin ceramic DIP (Dual In-line Package)**.  

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

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