LTC1874EGN#PBF - Step-Up DC/DC Converter by Linear Technology

The LTC1874EGN#PBF is a versatile and efficient step-up DC/DC converter designed by Linear Technology, now part of Analog Devices. This compact converter is specifically engineered to meet the needs of portable and space-constrained applications while maintaining high performance and reliability.

Key Features:

• Wide Input Voltage Range: The LTC1874EGN#PBF operates from an input voltage range of 2.5V to 9.8V, making it suitable for single-cell Li-Ion, multi-cell alkaline, or NiMH applications, as well as fixed 3.3V or 5V systems.
• Adjustable Output Voltage: The output voltage is adjustable up to 20V, providing flexibility for a variety of output requirements.
• High Efficiency: With an efficiency of up to 94%, this converter helps to maximize battery life and reduce heat generation.
• No RSENSE™ Operation: The LTC1874EGN#PBF features Linear Technology's No RSENSE™ technology, eliminating the need for an external sense resistor and simplifying the design while improving efficiency.
• Stable with Low ESR Ceramic Capacitors: The device is stable with ceramic output capacitors, which can be advantageous due to their small size, low ESR, and high reliability.
• Current Mode Control: The converter uses current mode control for excellent line and load transient response.
• High Switching Frequency: With a switching frequency of up to 1.4MHz, the LTC1874EGN#PBF allows the use of small, low-cost capacitors and inductors, reducing the overall solution footprint.
• Burst Mode® Operation: For light load conditions, Burst Mode® operation significantly reduces quiescent current, further improving battery life.
• Thermal Protection: The device includes thermal shutdown protection to safeguard against overheating.

Package and Availability:

The LTC1874EGN#PBF is offered in a 16-lead SSOP package, providing a compact solution for space-constrained applications. It is designed for industrial temperature ranges, operating from -40°C to 85°C. The converter is ideal for portable power devices, such as handheld instruments, GPS receivers, and small LCD displays, where efficient power conversion is crucial.

With its combination of features, the LTC1874EGN#PBF from Linear Technology stands out as a robust and flexible solution for designers looking to optimize their power management systems in portable applications.