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UC3834J from UC

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UC3834J

Manufacturer: UC

High Efficiency Linear Regulator

Partnumber Manufacturer Quantity Availability
UC3834J UC 300 In Stock

Description and Introduction

High Efficiency Linear Regulator The UC3834J is a high-performance PWM controller manufactured by Texas Instruments. Below are the factual details about the part:

### **Manufacturer:**  
Texas Instruments  

### **Specifications:**  
- **Type:** PWM Controller  
- **Topology:** Voltage Mode  
- **Operating Frequency:** Up to 1MHz  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Drive Current:** ±2A (Peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 5MHz  
- **Reference Voltage:** 5.1V (±1%)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Pin DIP (Dual In-Line Package)  

### **Descriptions and Features:**  
- Designed for high-efficiency power supply applications.  
- Includes an onboard 5.1V precision reference.  
- Features a high-speed error amplifier for fast transient response.  
- Provides soft-start capability to reduce inrush current.  
- Supports voltage-mode control with adjustable slope compensation.  
- Includes under-voltage lockout (UVLO) protection.  
- Suitable for DC-DC converters, inverters, and power management systems.  

This information is based on the official datasheet from Texas Instruments.

Application Scenarios & Design Considerations

High Efficiency Linear Regulator
Partnumber Manufacturer Quantity Availability
UC3834J TI 46 In Stock

Description and Introduction

High Efficiency Linear Regulator The UC3834J is a high-performance PWM controller manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UC3834J  
- **Type:** PWM Controller  
- **Topology:** Supports various configurations (e.g., flyback, forward, push-pull)  
- **Operating Frequency:** Adjustable (exact range not specified in Ic-phoenix technical data files)  
- **Input Voltage Range:** Typically used with industrial and power supply applications (exact range not specified)  
- **Output Drive:** High-current totem-pole output for driving power MOSFETs  
- **Duty Cycle Range:** Adjustable (exact range not specified)  
- **Package:** 16-pin DIP (Dual In-line Package)  

### **Descriptions:**  
The UC3834J is a pulse-width modulation (PWM) controller designed for high-efficiency power supply applications. It provides precise control over switching power converters, ensuring stable voltage regulation. The device is commonly used in DC-DC converters, inverters, and offline power supplies.  

### **Features:**  
- **Programmable Oscillator:** Allows frequency adjustment for different applications.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Error Amplifier:** Provides feedback loop stability.  
- **Current Limiting:** Protects against overcurrent conditions.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage limits.  
- **High-Current Output Drive:** Capable of directly driving power MOSFETs.  
- **Wide Operating Temperature Range:** Suitable for industrial environments.  

For exact electrical characteristics and detailed application notes, refer to the official Texas Instruments datasheet.

Application Scenarios & Design Considerations

High Efficiency Linear Regulator

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