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UC3838ADW from TI,Texas Instruments

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UC3838ADW

Manufacturer: TI

Magnetic Amplifier Controller

Partnumber Manufacturer Quantity Availability
UC3838ADW TI 3147 In Stock

Description and Introduction

Magnetic Amplifier Controller The UC3838ADW is a PWM controller manufactured by Texas Instruments (TI).  

**Specifications:**  
- **Type:** Current Mode PWM Controller  
- **Topology:** Supports Flyback, Forward, and Boost configurations  
- **Operating Frequency:** Adjustable up to 1MHz  
- **Output Drive Current:** 1A (peak)  
- **Supply Voltage Range:** 8V to 35V  
- **Duty Cycle Range:** 0% to 100%  
- **Package:** SOIC-16 (DW)  

**Descriptions:**  
The UC3838ADW is designed for high-performance power supply applications, offering precise control with current-mode operation. It includes features like soft-start, undervoltage lockout (UVLO), and cycle-by-cycle current limiting for enhanced reliability.  

**Features:**  
- Current-mode control for improved transient response  
- Programmable oscillator frequency  
- Soft-start capability  
- Undervoltage lockout (UVLO)  
- Cycle-by-cycle current limiting  
- High-current totem-pole output (1A peak)  
- Low standby power consumption  

For detailed electrical characteristics, refer to the official TI datasheet.

Partnumber Manufacturer Quantity Availability
UC3838ADW UC 61 In Stock

Description and Introduction

Magnetic Amplifier Controller The UC3838ADW is a PWM (Pulse Width Modulation) controller IC manufactured by Texas Instruments. Below are the factual specifications, descriptions, and features of the UC3838ADW:

### **Manufacturer:**  
Texas Instruments  

### **Specifications:**  
- **Type:** Current Mode PWM Controller  
- **Operating Voltage Range:** 8V to 35V  
- **Output Current (Source/Sink):** 1A (Peak)  
- **Switching Frequency:** Up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 5MHz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16 (DW)  

### **Descriptions:**  
The UC3838ADW is a high-performance current-mode PWM controller designed for power supply applications. It provides precise regulation and high-speed switching capabilities, making it suitable for DC-DC converters, inverters, and other power management systems.  

### **Features:**  
- **Current-Mode Control:** Enhances loop response and simplifies compensation.  
- **Programmable Oscillator:** Allows frequency adjustment with external components.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage limits.  
- **High-Current Totem Pole Output:** Directly drives power MOSFETs.  
- **Error Amplifier:** Provides high gain-bandwidth for tight regulation.  
- **Synchronization Capability:** Allows synchronization to an external clock.  

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

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