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UC3846NG4 from TEXAS

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15.991ms

UC3846NG4

Manufacturer: TEXAS

Current Mode PWM Controller 16-PDIP 0 to 70

Partnumber Manufacturer Quantity Availability
UC3846NG4 TEXAS 1 In Stock

Description and Introduction

Current Mode PWM Controller 16-PDIP 0 to 70 The UC3846NG4 is a high-performance current-mode PWM controller manufactured by Texas Instruments. Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 8V to 40V  
- **Operating Frequency:** Up to 500kHz  
- **Output Current (Source/Sink):** 200mA (Peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 1MHz (Typical)  
- **Soft-Start Capability:** Adjustable  
- **Package:** 16-Pin PDIP (Plastic Dual In-Line Package)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The UC3846NG4 is a fixed-frequency pulse-width modulation (PWM) controller designed for high-performance power supply applications.  
- It operates in current-mode control, providing improved loop response and simplified feedback compensation.  
- Includes features like cycle-by-cycle current limiting, undervoltage lockout (UVLO), and a programmable oscillator.  
- Suitable for DC-DC converters, offline power supplies, and motor control applications.  

### **Features:**  
- **Current-Mode Control:** Enhances transient response and simplifies loop stabilization.  
- **Programmable Oscillator:** Allows frequency adjustment with external components.  
- **Synchronization Capability:** Can sync with an external clock signal.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low-voltage conditions.  
- **Error Amplifier:** High-gain, wide-bandwidth amplifier for precise regulation.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Dual Alternating Outputs:** Supports push-pull or half-bridge topologies.  

This information is based solely on the manufacturer's datasheet for the UC3846NG4.

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