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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.

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.

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