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UC3846DWG4 from TI,Texas Instruments

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15.625ms

UC3846DWG4

Manufacturer: TI

Current Mode PWM Controller 16-SOIC 0 to 70

Partnumber Manufacturer Quantity Availability
UC3846DWG4 TI 50 In Stock

Description and Introduction

Current Mode PWM Controller 16-SOIC 0 to 70 The UC3846DWG4 is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Output Type:** Transistor Driver  
- **Topology:** Boost, Flyback, Forward  
- **Output Configuration:** Push-Pull  
- **Number of Outputs:** 2  
- **Switching Frequency:** Up to 500kHz  
- **Duty Cycle (Max):** 50%  
- **Supply Voltage (Vcc):** 8.5V to 40V  
- **Supply Current (Max):** 20mA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16 (DWG)  

### **Descriptions:**  
The UC3846DWG4 is designed for high-speed switching applications, providing precise pulse-width modulation (PWM) control. It features a current-mode architecture for improved loop response and includes built-in protection features such as under-voltage lockout (UVLO) and cycle-by-cycle current limiting.  

### **Features:**  
- **Current-Mode Control:** Enhances transient response and simplifies loop compensation.  
- **Programmable Oscillator:** Allows adjustable switching frequency.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Error Amplifier:** Provides accurate feedback regulation.  
- **Synchronization Input:** Enables synchronization with external clock signals.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within supply voltage range.  
- **Cycle-by-Cycle Current Limiting:** Protects against overload conditions.  

This device is commonly used in power supply designs, DC-DC converters, and motor control applications.

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