LTC3803MPS6-5#TRMPBF - Constant Frequency Current Mode Flyback DC/DC Controller

The LTC3803MPS6-5#TRMPBF is a sophisticated DC/DC controller from Linear Technology, designed to make the development of isolated and non-isolated flyback power supplies simpler and more efficient. This high-performance component is tailored for applications that demand compact size, high efficiency, and excellent thermal performance.

Key Features:

• Constant Frequency Operation: The LTC3803MPS6-5#TRMPBF operates at a constant 300kHz frequency, which allows for a predictable and manageable electromagnetic interference (EMI) profile, making it suitable for noise-sensitive applications.
• Current Mode Control: With current mode control, the device provides excellent transient response and cycle-by-cycle current limiting, enhancing the reliability and performance of the power supply.
• Low Startup and Operating Current: The controller boasts a low startup current of just 10μA and an operating current of 2mA, making it an energy-efficient choice for battery-operated devices and energy-conscious applications.
• Wide Input Voltage Range: It can handle a wide range of input voltages from 9V to 36V, allowing for flexibility in various power supply designs and ensuring compatibility with a broad spectrum of power sources.
• No Transformer Third Winding or Opto-Isolator Required for Regulation: The design simplifies the power supply architecture by eliminating the need for additional components, reducing the overall bill of materials and complexity.
• Low Profile (1mm) ThinSOT™ Package: Packaged in a ThinSOT™ with a height of only 1mm, the LTC3803MPS6-5#TRMPBF is perfect for space-constrained applications.

Applications:

The LTC3803MPS6-5#TRMPBF is ideal for a wide array of applications, including but not limited to:

• Isolated Telecom Power Supplies
• Industrial Power Supplies
• Medical Equipment
• Power over Ethernet (PoE) Systems
• Auxiliary Power Supplies

This product from Linear Technology is engineered to meet the stringent requirements of power management and conversion in modern electronic devices, ensuring reliable and efficient operation even in challenging environments. The LTC3803MPS6-5#TRMPBF represents a blend of performance, power efficiency, and design flexibility, making it an excellent choice for designers looking to create advanced power systems.