LTC1772HS6#TRPBF - Constant Frequency Current Mode PWM Step-Down DC/DC Controller

The LTC1772HS6#TRPBF is a high-performance step-down DC/DC controller from Linear Technology, designed for battery-powered systems and portable applications. This compact and efficient controller operates at a constant frequency with current mode control, which provides excellent line and load transient response. It is ideal for systems that require a high level of power efficiency and reliability.

Encased in a small TSOT-23 package, the LTC1772HS6#TRPBF is optimized for space-constrained applications. It features a wide input voltage range that allows it to operate from 2.65V to 9.8V, making it versatile for various power supply scenarios. This range is particularly suitable for single Li-Ion, Nickel Metal Hydride (NiMH), or Multi-Cell Alkaline applications.

The device can generate output voltages as low as 0.6V, enabling it to power the latest generation of low voltage microprocessors and DSPs. With its powerful 1.4MHz fixed frequency operation, it allows the use of small surface mount inductors and capacitors, thus reducing the footprint and cost of the overall power supply solution.

One of the key features of the LTC1772HS6#TRPBF is its Burst Mode® operation, which significantly improves efficiency at light loads, making it an excellent choice for battery-powered devices where extending battery life is critical. This mode reduces the quiescent current to just 15uA, thereby conserving power when the system is in standby or idle.

Additional features of this DC/DC controller include under-voltage lockout, a shutdown pin that reduces supply current to 1uA, and a 1% reference accuracy that remains stable over temperature, line, and load variations. The LTC1772HS6#TRPBF also integrates cycle-by-cycle current limit protection and thermal shutdown, ensuring the safety and durability of your power management design.

Overall, the LTC1772HS6#TRPBF from Linear Technology is a robust and efficient solution for designers seeking a reliable and space-efficient power management component for their next-generation portable devices.