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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.

Application Scenarios & Design Considerations

Magnetic Amplifier Controller
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.

Application Scenarios & Design Considerations

Magnetic Amplifier Controller

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