LTC3642EMS8E#PBF: High Efficiency, Low Noise, 15V Micropower Synchronous Step-Down Regulator

The LTC3642EMS8E#PBF is a high-performance, micropower step-down regulator from Linear Technology, designed to deliver quiet and efficient power supply solutions for a variety of applications. Operating over an input voltage range of 4V to 15V, this regulator is capable of providing an adjustable output voltage as low as 0.8V, which makes it suitable for powering the latest generation of microcontrollers and low-voltage digital circuits.

With its synchronous rectification topology, the LTC3642EMS8E#PBF achieves high efficiency over a wide range of load currents, which is essential for battery-powered and energy-sensitive applications. The regulator features a low quiescent current of only 12μA, further enhancing its performance in applications where conserving battery life is critical.

The LTC3642EMS8E#PBF comes in a compact MSOP-8 package, which is ideal for space-constrained environments. It includes integrated power switches, which minimizes the number of external components required and simplifies the design process. The regulator's switching frequency is programmable up to 2MHz, allowing the use of small, low-cost capacitors and inductors, thus reducing the overall solution footprint and cost.

Protection features of the LTC3642EMS8E#PBF include overvoltage lockout, current limiting, and thermal shutdown, which safeguard the device and the load under abnormal operating conditions. The regulator also supports a selectable Burst Mode operation, which provides high efficiency at low output currents and reduces the ripple voltage, making it an excellent choice for noise-sensitive applications.

Whether you're designing portable medical devices, handheld instruments, or any other application that demands a compact, efficient, and low-noise power solution, the LTC3642EMS8E#PBF from Linear Technology is a reliable choice that meets a wide range of power management needs.

Key features of the LTC3642EMS8E#PBF include:

• Wide Input Voltage Range: 4V to 15V
• Adjustable Output Voltage Down to 0.8V
• Low Quiescent Current: 12μA
• High Efficiency Synchronous Operation
• Programmable Switching Frequency up to 2MHz
• Compact MSOP-8 Package
• Integrated Overvoltage Lockout, Current Limit, and Thermal Shutdown
• Selectable Burst Mode Operation for Low Output Ripple