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UC1901J from UC

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UC1901J

Manufacturer: UC

Isolated Feedback Generator

Partnumber Manufacturer Quantity Availability
UC1901J UC 200 In Stock

Description and Introduction

Isolated Feedback Generator The UC1901J is a manufacturer part number from Unitrode Corporation (now part of Texas Instruments).  

### **Specifications:**  
- **Type:** Switching Regulator Controller  
- **Function:** High-Speed PWM Controller  
- **Topology:** Buck, Boost, Flyback  
- **Operating Frequency:** Up to 500 kHz  
- **Output Voltage:** Adjustable  
- **Input Voltage Range:** Typically 8V to 40V  
- **Output Current:** Depends on external components  
- **Duty Cycle Range:** 0% to 100%  
- **Package:** 16-pin DIP (Dual In-line Package)  

### **Descriptions:**  
The UC1901J is a high-performance pulse-width modulation (PWM) controller designed for switching power supply applications. It provides precise control for DC-DC converters and supports various topologies, including buck, boost, and flyback configurations.  

### **Features:**  
- **High-Speed Operation:** Supports switching frequencies up to 500 kHz.  
- **Wide Input Voltage Range:** Suitable for industrial and automotive applications.  
- **Adjustable Output Voltage:** Allows flexibility in design.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Current Limiting:** Protects against overload conditions.  
- **Error Amplifier:** Provides feedback loop control for stable output.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within voltage limits.  

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official datasheet.

Partnumber Manufacturer Quantity Availability
UC1901J 12 In Stock

Description and Introduction

Isolated Feedback Generator The UC1901J is a switching regulator controller manufactured by Texas Instruments.  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Voltage:** Adjustable  
- **Switching Frequency:** Up to 500 kHz  
- **Operating Temperature Range:** -25°C to +85°C  
- **Package:** 16-pin DIP (Dual In-line Package)  
- **Duty Cycle Range:** 0% to 100%  
- **Current Limit Protection:** Yes  
- **Soft-Start Capability:** Yes  

### **Description:**  
The UC1901J is a high-performance PWM (Pulse Width Modulation) controller designed for switching regulator applications. It provides precise voltage regulation and is suitable for various power supply designs, including buck, boost, and flyback converters.  

### **Features:**  
- **Wide Input Voltage Range:** Supports operation from 4.5V to 40V.  
- **High Switching Frequency:** Up to 500 kHz for efficient power conversion.  
- **Adjustable Output Voltage:** Allows flexibility in design.  
- **Current Limiting:** Protects the circuit from overcurrent conditions.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Error Amplifier:** Ensures stable and accurate voltage regulation.  
- **Under-Voltage Lockout (UVLO):** Prevents operation below a safe input voltage.  

This information is based solely on the manufacturer's specifications.

Partnumber Manufacturer Quantity Availability
UC1901J UC 12 In Stock

Description and Introduction

Isolated Feedback Generator The UC1901J is a part manufactured by **Unitrode Corporation** (now part of Texas Instruments). Below are its specifications, descriptions, and features based on available data:  

### **Specifications:**  
- **Manufacturer:** Unitrode (now Texas Instruments)  
- **Part Number:** UC1901J  
- **Type:** Isolated Feedback Generator  
- **Package:** CERDIP (Ceramic Dual In-Line Package)  
- **Operating Temperature Range:** -55°C to +125°C  
- **Supply Voltage:** Typically operates with ±15V supplies  
- **Isolation Voltage:** Designed for high-voltage isolation applications  

### **Descriptions:**  
- The UC1901J is an **isolated feedback generator** used in power supply control systems.  
- It provides **isolated feedback signals** for regulating power converters.  
- Designed for **high-reliability applications**, including military and aerospace systems.  

### **Features:**  
- **High-Voltage Isolation:** Suitable for feedback in isolated power supplies.  
- **Wide Temperature Range:** Operates reliably in extreme conditions.  
- **Precision Control:** Ensures accurate feedback signal generation.  
- **Robust Packaging:** CERDIP package provides durability in harsh environments.  

For detailed electrical characteristics, refer to the original **Unitrode/Texas Instruments datasheet**.

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