The UC3825ADW is a high-speed Pulse Width Modulation (PWM) controller from Texas Instruments, designed for a wide range of power supply and DC to DC converter applications. This versatile controller integrates all the necessary features to implement off-line or DC to DC fixed-frequency current-mode control schemes with a minimal number of external components.
Key Features:
- Programmable Output Control: The UC3825ADW offers dual alternating outputs with programmable dead time, allowing for precise control of power stages.
- High-Frequency Operation: With an operational range up to 1MHz, this controller is ideal for applications requiring high switching frequencies, which can result in smaller component size and increased power density.
- Current-Mode Control: Current-mode control provides inherent line feed-forward, cycle-by-cycle current limiting, and ease of loop compensation.
- Wide Input Voltage Range: The device operates with an input voltage range that supports a variety of power systems, making it a versatile choice for different power supply configurations.
- Trimmed Oscillator: The onboard oscillator is trimmed for precise frequency control, ensuring consistent performance across multiple devices and applications.
Applications:
- Switching power supplies
- Power converters
- DC-DC converters
- Offline converters
- Class D power amplifiers
Product Specifications:
Parameter
Value
Package Type
SOIC-16
Top Side Marking
UC3825ADW
Operating Temperature Range
-55°C to +125°C
Voltage Supply
10V to 35V
Frequency - Max
1MHz
The UC3825ADW by Texas Instruments is a robust and reliable choice for engineers looking to design efficient and compact power management systems. Its high-speed operation, coupled with a comprehensive feature set, makes it an essential component for modern electronic applications.