Product Overview: LT1959IS8 from Linear Technology

The LT1959IS8 is a robust and efficient DC-DC converter designed by Linear Technology, now part of Analog Devices, to cater to the demanding power requirements of modern electronic circuits. This compact, single-output step-down switching regulator is housed in an 8-lead SO package, making it an ideal choice for space-constrained applications.

Key Features

• High Efficiency: With an efficiency of up to 96%, the LT1959IS8 minimizes power loss and heat dissipation, making it suitable for battery-powered devices and energy-sensitive applications.
• Wide Input Voltage Range: The device can operate with an input voltage range from 4.5V to 36V, accommodating a broad spectrum of power sources and ensuring versatility in various system designs.
• High Output Current: It is capable of delivering a continuous output current of up to 1.5A, making it a reliable choice for powering high-current loads.
• Adjustable Output Voltage: The output voltage is adjustable from 1.23V to 36V, providing flexibility to meet the requirements of different circuits and components.
• Fixed Frequency Switching: The LT1959IS8 operates at a fixed frequency of 500kHz, which allows for the use of small, low-cost inductors and capacitors, reducing overall solution size and cost.
• Thermal Shutdown and Current Limit: Built-in thermal shutdown and current limit protections safeguard the device and the application from damage due to overheating and overcurrent conditions.

Applications

The LT1959IS8 is versatile and can be used in a variety of applications, including:

• Portable electronics
• Automotive power systems
• Industrial supplies
• Telecommunications infrastructure
• Step-down converters for distributed power systems

Design Support

Linear Technology provides comprehensive design support for the LT1959IS8, including datasheets, application notes, and simulation tools to assist engineers in integrating this device into their projects with ease and confidence.