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UC2845DTRG4 from TI,Texas Instruments

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UC2845DTRG4

Manufacturer: TI

Current-Mode PWM Controller 14-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
UC2845DTRG4 TI 2530 In Stock

Description and Introduction

Current-Mode PWM Controller 14-SOIC -40 to 85 The **UC2845DTRG4** 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 30V  
- **Operating Frequency:** Up to 500 kHz  
- **Output Current (Source/Sink):** 1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 1 MHz  
- **Reference Voltage (VREF):** 5V (±1%)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**  
The UC2845DTRG4 is designed for **offline and DC-DC converter applications**, providing precise regulation with **current-mode control**. It includes features like **undervoltage lockout (UVLO), cycle-by-cycle current limiting, and a trimmed oscillator for accurate duty cycle control**.  

### **Features:**  
- **Current-mode operation** for improved transient response  
- **Automatic feed-forward compensation**  
- **Latching PWM for cycle-by-cycle current limiting**  
- **Undervoltage lockout (UVLO) with hysteresis**  
- **Internal trimmed bandgap reference (5V ±1%)**  
- **High-current totem-pole output (1A peak)**  
- **Low startup and operating current**  

This device is commonly used in **power supplies, battery chargers, and industrial power systems**.  

Would you like additional details on a specific aspect?

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