حفاظت مدار محدودکننده‌های ولتاژ گذرا (تی وی اس) تجهیزات حفاظت در برابر اضافه‌ولتاژ گذرا (اس پی دی)

Product Attributes

Introduction

A single channel, positive voltage, hot swap controller designed to allow the safe insertion of boards into live system backplanes. Available in a 16-pin QSOP package. Using a few external components and by controlling the gate drive of an external N-Channel MOSFET device, it provides inrush current limiting and output voltage slew rate control in harsh, critical power supply environments. Additionally, a circuit breaker function will latch the output MOSFET off if the current limit threshold is exceeded for a programmed period of time. The device’s array of features provide a simplified yet robust solution for many network applications in meeting the power supply regulation requirements and affords protection of critical downstream devices and components.

Features

• Pin-for-Pin Functional Equivalent to the LTC1642
• 2.3V to 16.5V Supply Voltage Operation
• Surge Voltage Protection to 33V
• Operating Temperature Range -40℃ to +85℃
• Active Current Regulation Limits Inrush Current Independent of Load Capacitance
• Programmable Inrush Current Limiting
• Analog Foldback Current Limiting
• Electronic Circuit Breaker
• Dual-Level Overcurrent Fault Sensing
• Fast Response to Short-Circuit Conditions (<1 μs)
• Programmable Output Undervoltage Detection
• Undervoltage Lockout Protection
• Power-On Reset
• /FAULT Status Output
• Driver for SCR Crowbar on Overvoltage

Applications

• RAID Systems
• Cellular Base Stations
• LAN Servers
• WAN Servers
• InfiniBand Systems
• Industrial High-Side Switching