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ISL6172

Intersil Corporation
Part Number ISL6172
Manufacturer Intersil Corporation
Description Dual Low Voltage Hot Swap Controller
Published Oct 12, 2014
Detailed Description ® ISL6172 Data Sheet June 2004 FN9158 Dual Low Voltage Hot Swap Controller This IC targets dual voltage hot swap appli...
Datasheet PDF File ISL6172 PDF File

ISL6172
ISL6172

Overview
® ISL6172 Data Sheet June 2004 FN9158 Dual Low Voltage Hot Swap Controller This IC targets dual voltage hot swap applications across the +2.
5V to +3.
3V bias supply voltage range with a second lower voltage rail down to less than 1V.
It features a charge pump for driving external N-Channel MOSFETs, regulated current protection and duration, output undervoltage monitoring and reporting, optional latch-off or retry response, and adjustable soft-start.
The current regulation level (CR) for each rail is set by two external resistors and each CR duration is set by an external capacitor on the TIM pin.
After the CR duration has expired the IC then quickly pulls down the associated GATE(s) output turning off its external FET(s).
The ISL6172 offers a latched output or indefinite auto retry mode of operation.
Features • Dual Supply Hot Swap Power Distribution Control to <1V • Less than 1µs Response Time to Dead Short • Overcurrent Circuit Breaker Fault Isolation and Programmable Current Regulation Level Protection Functions • Programmable Current Regulation Duration • Charge Pump Allows the use of N-Channel MOSFETs • Rail Independent Control, Monitoring and Reporting I/O • Adjustable Ramp up for Inrush Protection During Turn On • Two Levels of Overcurrent Detection Provide Fast Response to Varying Fault Conditions • Latch-off or Auto Reset Response to Fault Functions • Adjustable Current Regulation Threshold as low as 20mV Ordering Information TEMP.
PART NUMBER RANGE (°C) ISL6172DRZA * ISL6172DRZA-T * ISL6172EVAL3 0 to +85 0 to +85 PACKAGE PKG.
DWG.
# 28 Ld 5x5 QFN (Pb-free) L28.
5x5 28 Ld 5x5 QFN (Pb-free) L28.
5x5 Evaluation Platform • QFN Package: - Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Package Outline - Near Chip Scale Package footprint, which improves PCB efficiency and has a thinner profile • Pb-free * Intersil Pb-free products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination fin...


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