LTC3803HS6-5#TRPBF - Constant Frequency Current Mode Flyback DC/DC Controller

The LTC3803HS6-5#TRPBF is a high-performance, constant frequency, current mode PWM flyback DC/DC controller manufactured by Linear Technology. Designed with precision and efficiency in mind, this controller is well-suited for a variety of applications requiring reliable power conversion and management.

Key Features:

• Constant Frequency Operation: The device operates at a fixed frequency of 200kHz, which allows for a predictable and low-noise performance. This feature simplifies the design of the magnetic components and the layout of the PCB.
• Low Startup and Operating Current: The LTC3803HS6-5#TRPBF boasts a low startup current of just 10μA and an operating current of 2mA, making it an energy-efficient choice for battery-powered or energy-sensitive applications.
• Wide Input Voltage Range: With an input voltage range of 9V to 30V, this controller can accommodate a variety of power sources and is particularly adaptable to fluctuating input conditions.
• No External Power Components: The absence of an external power switch, catch diode, or compensation components streamlines the design process, reducing the overall component count and saving board space.
• High Output Voltage Accuracy: The controller ensures precise power delivery with an output voltage accuracy of ±2%, which is essential for sensitive electronic devices that require consistent power levels.

Applications:

The LTC3803HS6-5#TRPBF is ideal for a wide range of applications, including:

• Isolated Telecom Power Supplies
• Industrial Power Supplies
• Medical Equipment
• Power Over Ethernet (PoE) Systems
• Secondary Side Regulation

Package and Reliability:

This device is available in a compact SOT-23 package, which is suitable for space-constrained applications. The LTC3803HS6-5#TRPBF is also designed to meet high reliability standards, ensuring stable and consistent performance over its operational lifespan.

Overall, the LTC3803HS6-5#TRPBF from Linear Technology is a robust and efficient solution for your power management needs, providing precise control, low power consumption, and a simplified design process.