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UCC38C44DR from TI,Texas Instruments

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UCC38C44DR

Manufacturer: TI

BiCMOS Low-Power Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
UCC38C44DR TI 1470 In Stock

Description and Introduction

BiCMOS Low-Power Current Mode PWM Controller The UCC38C44DR is a high-speed PWM controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Package:** SOIC-8  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 4.5V to 35V  
- **Switching Frequency:** Up to 1MHz  
- **Output Drive Current:** ±1A (Peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 5MHz  
- **Propagation Delay:** 50ns (Typical)  
- **Start-Up Current:** 0.5mA (Typical)  

### **Descriptions:**  
The UCC38C44DR is a high-performance, current-mode PWM controller designed for DC-DC converter applications. It provides precise regulation and fast transient response, making it suitable for power supply designs requiring high efficiency and reliability.  

### **Features:**  
- **Current-Mode Control:** Enhances loop response and simplifies compensation.  
- **Programmable Oscillator:** Allows flexible frequency setting with an external resistor and capacitor.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within the input voltage range.  
- **High-Speed Operation:** Supports switching frequencies up to 1MHz.  
- **Low Power Consumption:** Optimized for energy-efficient designs.  
- **Synchronous Rectification Support:** Compatible with synchronous buck and flyback topologies.  

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

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