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UCC28C43DR from TI,Texas Instruments

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UCC28C43DR

Manufacturer: TI

BiCMOS Low-Power Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
UCC28C43DR TI 20000 In Stock

Description and Introduction

BiCMOS Low-Power Current Mode PWM Controller The UCC28C43DR is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UCC28C43DR  
- **Package:** SOIC-8  
- **Type:** Current-Mode PWM Controller  
- **Operating Voltage Range:** 8.5V to 18V  
- **Maximum Duty Cycle:** 100%  
- **Switching Frequency:** Up to 1MHz  
- **Output Current (Source/Sink):** 1A (Peak)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Features Undervoltage Lockout (UVLO):** Yes  

### **Descriptions:**
The UCC28C43DR is a versatile PWM controller designed for high-efficiency power supply applications. It operates in current-mode control, providing improved loop response and simplified compensation. The device is optimized for offline and DC-DC converters, offering precise regulation and protection features.

### **Features:**
- **Current-Mode Control:** Enhances transient response and simplifies loop compensation.  
- **Programmable Switching Frequency:** Adjustable up to 1MHz.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage range.  
- **High-Current Totem-Pole Output:** Supports 1A peak output drive.  
- **Low Startup Current:** Typically 0.5mA.  
- **Error Amplifier with Reference:** Provides accurate voltage regulation.  
- **Leading-Edge Blanking:** Improves noise immunity in current sensing.  

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

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