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UCC3804DTR from TI,Texas Instruments

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UCC3804DTR

Manufacturer: TI

Low-Power BiCMOS Current-Mode PWM

Partnumber Manufacturer Quantity Availability
UCC3804DTR TI 2500 In Stock

Description and Introduction

Low-Power BiCMOS Current-Mode PWM The UCC3804DTR is a PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage Range:** 10V to 20V (operating)  
- **Output Drive Current:** ±1A (peak)  
- **Switching Frequency:** Up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **Package:** SOIC-8  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The UCC3804DTR is a high-performance current-mode PWM controller designed for offline and DC-DC power converters. It features a fast response time, low startup current, and precision reference voltage.  

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **Low Startup Current:** Typically 100µA, reducing power loss.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage range.  
- **High-Current Totem Pole Output:** Directly drives power MOSFETs.  
- **Programmable Oscillator:** Allows frequency adjustment.  

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

Partnumber Manufacturer Quantity Availability
UCC3804DTR UNITROD 1800 In Stock

Description and Introduction

Low-Power BiCMOS Current-Mode PWM The UCC3804DTR is a high-performance current-mode PWM controller manufactured by UNITROD.  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage Range:** Up to 30V  
- **Operating Frequency:** Adjustable up to 1MHz  
- **Output Drive Current:** 1A (peak)  
- **Duty Cycle Range:** Up to 100%  
- **Start-up Current:** Low (typically 0.5mA)  
- **Package:** SOIC-8  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions & Features:**  
- Provides precise regulation in flyback and forward converters.  
- Includes under-voltage lockout (UVLO) protection.  
- Features cycle-by-cycle current limiting.  
- Internal soft-start function for controlled startup.  
- Low-power consumption in standby mode.  
- Optimized for high-efficiency power supplies.  
- Suitable for AC/DC and DC/DC applications.  

For exact electrical characteristics, refer to the official UNITROD datasheet.

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