The LTC3808EGN is a high-performance, dual output synchronous step-down DC/DC controller designed by Linear Technology. It is engineered to convert input voltages ranging from 4V to 38V into two lower output voltages, which are ideal for power distribution systems requiring efficient voltage conversion and tight regulation.

Key Features

• Wide Input Voltage Range: Operates from 4V to 38V, accommodating a variety of input sources.
• Dual Output Channels: Capable of providing two independent output voltages, which can be set by external resistors.
• Synchronous Operation: Integrated top and bottom N-channel MOSFET drivers for high efficiency and reduced heat dissipation.
• Adjustable Switching Frequency: Programmable from 250kHz to 750kHz, allowing optimization for efficiency or component size.
• Phase-Lockable Frequency: 250kHz to 550kHz with an external clock for noise-sensitive applications.
• Current Mode Control: For excellent line and load transient response.
• OPTI-LOOP® Compensation: Minimizes the need for external components while providing stability over a wide range of supply and output voltages.
• Power Good Output Voltage Monitor: Signals when output voltage is within ±10% of the regulated voltage.

Applications

• Telecom and Networking Equipment
• Industrial Systems
• Automotive Electronics
• Portable Devices

Product Package and Quality

The LTC3808EGN is offered in a compact 24-lead SSOP package, providing a space-saving solution for densely packed circuit boards. The device is characterized for operation from -40°C to 85°C temperature range, ensuring reliable performance in a variety of environments and applications.

Conclusion

With its robust feature set and flexible design, the LTC3808EGN is an excellent choice for designers looking to implement a highly efficient, dual output power supply in their systems. Its ability to manage wide input voltages and provide stable output makes it a versatile component for a range of electronic applications.