LT1107CS8-5#PBF

PMIC - Voltage Regulators - DC DC Switching Regulators

The LT1107CS8-5#PBF is a wide input voltage range, adjustable frequency, synchronous step-down DC-DC switching regulator IC ideal for 6V to 30V input sources. It also has integrated FETs and provides high efficiency power conversion while remaining power system compliant.

Features

• Wide input voltage range
• Adjustable switching frequency up to 2MHz
• 6A Integrated FETs
• High Efficiency up to 96%
• Selectable mode of current or voltage control
• Short circuit, thermal and current limit protections
• Wide operating temperature range of -40 to +125°C
• Wide range of output voltage programming
• High accuracy output voltage setting

Application Field and Working Principle

The application field of the LT1107CS8-5#PBF Regulator is wide and versatile. It can be used in Industrial, Automotive, and Power Management Control & Measurement application systems. Meant to be used in a DC-DC conversion environment, the LT1107CS8-5#PBF is a modern power switching regulator with integrated FETs and strict voltage requirements.

The LT1107CS8-5#PBF is a step-down regulator, meaning it regulates the output voltage in a buck topology. The control loop is based on a constant frequency peak current - mode control with integrated power MOSFETs. The inductor current is sensed and regulated to the desired peak current by adjusting the near zero-duty cycle of the MOSFET switch.

The LT1107CS8-5#PBF is designed for high power applications and supports an operating temperature range from –40°C to +125°C. The LT1107CS8-5#PBF also features a programmable soft-start, allowing for an easy transition from off or no load to a full load condition. The built-in thermal shut-down will protect the regulator from excessive temperatures.

In conclusion, the LT1107CS8-5#PBF is a high accuracy, high efficiency, and power system compliant DC-DC switching regulator perfectly suited for Industrial, Automotive, and Power Management Control & Measurement applications.