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	Circuit Breakers	Vin Range	Circuit Breaker Threshold	Circuit Breaker Accuracy	Precharge	Features	Comments	Packages
Units	#			%
Selection (hold Ctrl key to select multiple, hold Shift key to select range)

LTC1643A	4	3.3, 5, ±12V	53mV (5, 3.3), 850mA (12), 450mA (-12)	24.5	no	-	Controls 3.3V and 5V with N-Channel FETs, ±12V supplies controlled with internal switches for PCI and CompactPCI	SSOP-16
LTC1644	4	3.3, 5, ±12V	55mV	27	yes	-	3.3V, 5V and ±12V supplies for CompactPCI, LOCAL_PCI_RST# logic, 1V precharge for data bus	SSOP-20
LTC1646	2	2.7V to 7V	56mV	16	yes	-	3.3V and 5V supplies for CompactPCI, LOCAL_PCI_RST# logic, 1V precharge for data bus	SSOP-16
LTC4240	4	3.3, 5, ±12	55mV	9	yes	Digital Interface	Controls 3.3V,5V with N-Channel FETs, ±12V supplies controlled with internal switches. I2C compatible interface	SSOP-28
LTC4241	5	3.3, 5, ±12, 3.3 aux	55mV (3.3,5), 850mA (12), 450mA (-12)	27	no	-	Controls 3.3V,5V, and 3.3V Aux with N-Channel FETs, ±12V supplies controlled with internal switches. Active high On for PCI	SSOP-20
LTC4242	6	3.3, 12, 3.3 aux	50mV (3.3,12), 550mA (3.3 aux)	10	yes	-	Dual Slot Hot Swap Controller for PCI Express	5x7 QFN-38,SSOP-36
LTC4244	4	3.3, 5, ±12	52mV	14	yes	-	Rugged CompactPCI bus hot swap controllers, -1 option for applications without –12V	SSOP-20
LTC4245	4	3.3, 5, ±12 or 3.3, 12, 3.3 aux	25mV (3.3,5), 50mV (±12)	10	yes	8-bit ADC, Digital Interface	Multiple Supply Hot Swap Controller with I2C Compatible Monitoring	5x7 QFN-38,SSOP-36