The LTC1645IS#PBF is a sophisticated, dual Hot Swap™ controller designed by Linear Technology, now part of Analog Devices, to ensure safe board insertion and removal from live backplanes. This product is engineered to manage electronic circuit boards' power supplies by controlling the inrush current to prevent glitches on the supply rail and damage to connectors and circuitry. It is a critical component for systems that require reliability and high performance, such as servers, data storage, and telecommunications equipment.

Key Features

• Independent Control: This device provides independent turn-on and turn-off control of two supply voltages.
• Voltage Range: It operates over a wide range of supply voltages, from 1.2V to 12V, making it versatile for various applications.
• Adjustable Current Limit: The LTC1645IS#PBF features an adjustable current limit for each channel to protect against overcurrent conditions.
• Programmable Timer: A programmable timer is included to limit the duration of the overcurrent condition before shutting down the output.
• Circuit Breaker Function: The product incorporates a circuit breaker function for additional safety, which trips in response to prolonged overcurrent events.
• Status Indicators: Status flags are available to indicate power good, overcurrent, and other operational states for monitoring and diagnostics.

Applications

• Redundant Power Systems
• Hot Swap Systems
• Server Backplanes
• Network Switches and Routers

Quality and Reliability

The LTC1645IS#PBF is offered in a 16-lead narrow SSOP package, providing a compact solution for space-constrained applications. It is specified for operation over the industrial temperature range of -40°C to 85°C, ensuring reliable performance under varying environmental conditions. The part number ending with "PBF" indicates that the product is lead-free and RoHS compliant, reflecting Linear Technology's commitment to environmental sustainability.

Linear Technology's LTC1645IS#PBF is designed for systems that cannot afford downtime or data loss, providing the necessary protection and control for critical power management tasks. Its combination of features makes it an essential component for high-availability systems where continuous operation is paramount.