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UCC38C44P from TI,Texas Instruments

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14.999ms

UCC38C44P

Manufacturer: TI

BiCMOS Low-Power Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
UCC38C44P TI 2723 In Stock

Description and Introduction

BiCMOS Low-Power Current Mode PWM Controller The UCC38C44P is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage Range (VCC):** 8V to 35V  
- **Operating Frequency Range:** Up to 1MHz  
- **Output Drive Current (Peak):** ±1A  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 5MHz  
- **Start-up Current:** 0.5mA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**  
The UCC38C44P is designed for high-frequency switching power supplies, providing precise control with current-mode operation. It includes features such as soft-start, cycle-by-cycle current limiting, and under-voltage lockout (UVLO) for reliable power supply designs.  

### **Features:**  
- **Current-Mode Control:** Improves transient response and simplifies loop compensation.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within the specified voltage range.  
- **High-Frequency Operation:** Supports switching frequencies up to 1MHz.  
- **Low Start-up Current:** Enhances efficiency during initial power-up.  
- **Cycle-by-Cycle Current Limiting:** Protects against overload conditions.  
- **Wide Operating Voltage Range:** Suitable for various power supply applications.  

This controller is commonly used in DC-DC converters, offline power supplies, and other high-frequency power conversion systems.  

(Source: Texas Instruments Datasheet for UCC38C44P)

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