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UC2874N-1 from TI,Texas Instruments

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UC2874N-1

Manufacturer: TI

High Efficiency, Synchronous, Step-down (Buck) Controllers

Partnumber Manufacturer Quantity Availability
UC2874N-1,UC2874N1 TI 2000 In Stock

Description and Introduction

High Efficiency, Synchronous, Step-down (Buck) Controllers The UC2874N-1 is a switch-mode power supply controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UC2874N-1  
- **Category:** Power Management ICs  
- **Type:** Switch-Mode Power Supply (SMPS) Controller  
- **Package:** PDIP-16 (Plastic Dual In-Line Package)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage (VCC):** Up to 30V  
- **Output Current:** Adjustable based on external components  
- **Switching Frequency:** Programmable (typically up to 1MHz)  
- **Control Method:** Pulse Width Modulation (PWM)  

### **Descriptions:**
The UC2874N-1 is a high-performance PWM controller designed for switch-mode power supply applications. It provides precise regulation and control for power conversion systems, including offline and DC-DC converters. The device integrates essential functions such as error amplification, oscillator, PWM comparator, and output drivers.

### **Features:**
- **Voltage Mode Control:** Uses PWM for stable power regulation.  
- **Programmable Oscillator:** Allows adjustment of switching frequency.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within voltage limits.  
- **Error Amplifier:** Provides feedback loop stability.  
- **Current Limiting:** Protects against overload conditions.  
- **High-Current Totem-Pole Outputs:** Supports MOSFET or bipolar transistor drivers.  
- **Wide Operating Voltage Range:** Suitable for various power supply designs.  

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

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