Overview
The UCC3813DTR-3 is a high-performance, BiCMOS, current-mode PWM controller produced by Texas Instruments. Designed for power supply applications, this model is widely used in switch-mode power supplies (SMPS) and other power management systems. It is particularly suited for applications requiring precise control and high efficiency. The UCC3813DTR-3 is positioned as a reliable and versatile solution for engineers designing power electronics in industries such as industrial automation, telecommunications, and consumer electronics. Its unique selling points include its advanced current-mode control architecture, low power consumption, and robust performance in demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 10 | V | Maximum |
| Output Current | 1 | A | Peak |
| Switching Frequency | 500 | kHz | Maximum |
| Operating Temperature Range | -40 to 85 | °C | |
| Package | SOIC-8 | Surface Mount | |
| Control Mode | Current Mode | ||
| Start-Up Current | 0.5 | mA | Typical |
| Supply Voltage | 15 | V | Maximum |
Key Features
- Current-Mode Control: Provides precise regulation and improved transient response.
- Low Start-Up Current: Ensures efficient operation during power-up.
- High Switching Frequency: Enables compact and efficient power supply designs.
- Wide Operating Temperature Range: Suitable for harsh environments.
- SOIC-8 Package: Compact and easy to integrate into designs.
Applications
The UCC3813DTR-3 is widely used in various power management applications, including:
- Switch-Mode Power Supplies (SMPS): Provides efficient and reliable power conversion.
- Telecommunications: Ensures stable power delivery in communication systems.
- Industrial Automation: Supports robust power control in industrial equipment.
- Consumer Electronics: Used in power adapters and chargers for devices.
Q & A
1. What is the maximum switching frequency of the UCC3813DTR-3?
The maximum switching frequency is 500 kHz.
2. What is the operating temperature range of this device?
The operating temperature range is -40°C to 85°C.
3. What package does the UCC3813DTR-3 come in?
It comes in an SOIC-8 surface-mount package.
4. What is the start-up current of this PWM controller?
The typical start-up current is 0.5 mA.
5. What type of control mode does the UCC3813DTR-3 use?
It uses current-mode control.
6. Is the UCC3813DTR-3 suitable for high-efficiency power supplies?
Yes, its current-mode control and high switching frequency make it ideal for high-efficiency designs.
7. Can this device be used in industrial applications?
Yes, its wide operating temperature range and robust design make it suitable for industrial environments.
8. What is the maximum input voltage for the UCC3813DTR-3?
The maximum input voltage is 10 V.
9. Does the UCC3813DTR-3 support surface-mount assembly?
Yes, it is available in an SOIC-8 surface-mount package.
10. What is the peak output current of this device?
The peak output current is 1 A.
