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UCC3818PWTRG4 from TI/BB,Texas Instruments

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UCC3818PWTRG4

Manufacturer: TI/BB

BiCMOS POWER FACTOR PREREGULATOR

Partnumber Manufacturer Quantity Availability
UCC3818PWTRG4 TI/BB 100 In Stock

Description and Introduction

BiCMOS POWER FACTOR PREREGULATOR The UCC3818PWTRG4 is a BiCMOS advanced PWM controller manufactured by Texas Instruments (TI) and Burr-Brown (BB). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI) / Burr-Brown (BB)  
- **Type:** BiCMOS Advanced PWM Controller  
- **Package:** TSSOP-20  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage (VCC):** 15V (max)  
- **Switching Frequency:** Up to 1MHz  
- **Output Drive Current:** ±2A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Standby Current:** 1mA (typical)  

### **Descriptions:**
The UCC3818PWTRG4 is a high-performance PWM controller designed for power supply applications. It features BiCMOS technology for improved efficiency and precision. The device includes a high-speed oscillator, error amplifier, and PWM comparator for accurate power regulation. It is commonly used in DC-DC converters, offline power supplies, and telecom power systems.

### **Features:**
- **BiCMOS Technology:** Low power consumption and high-speed operation.  
- **Programmable Oscillator:** Adjustable switching frequency up to 1MHz.  
- **Precision Reference:** 5V ±1% internal reference voltage.  
- **Soft-Start Capability:** Controlled startup to reduce inrush current.  
- **Current Limiting:** Cycle-by-cycle current limiting for protection.  
- **Synchronous Rectification Control:** Supports synchronous rectifier drive.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation under low-voltage conditions.  
- **High-Current Totem-Pole Outputs:** ±2A peak drive capability.  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

BiCMOS POWER FACTOR PREREGULATOR
Partnumber Manufacturer Quantity Availability
UCC3818PWTRG4 TI 1266 In Stock

Description and Introduction

BiCMOS POWER FACTOR PREREGULATOR The UCC3818PWTRG4 is a power management IC manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Category:** PMIC - Power Management ICs  
- **Type:** PWM Controller  
- **Topology:** Boost, Flyback, Forward  
- **Output Type:** Transistor Driver  
- **Number of Outputs:** 1  
- **Switching Frequency:** Up to 1MHz  
- **Duty Cycle (Max):** 100%  
- **Supply Voltage (Vcc/Vdd):** 10V to 16V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package / Case:** TSSOP-16  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
The UCC3818PWTRG4 is a high-performance current-mode PWM controller designed for DC-DC power conversion applications. It includes features for precise regulation, soft-start, and protection functions.  

### **Features:**  
- **Current-Mode Control:** Improves transient response and simplifies loop compensation.  
- **Programmable Switching Frequency:** Up to 1MHz.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within supply voltage range.  
- **Error Amplifier:** Provides accurate voltage regulation.  
- **Synchronization Capability:** Allows synchronization to an external clock.  
- **Overcurrent Protection:** Enhances system reliability.  

This information is based solely on factual data from the manufacturer's documentation.

Application Scenarios & Design Considerations

BiCMOS POWER FACTOR PREREGULATOR

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