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LTC3642 Datasheet(PDF) 2 Page - Linear Technology |
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LTC3642 Datasheet(HTML) 2 Page - Linear Technology |
2 / 22 page LTC3108 2 3108fb ABSOLUTE MAXIMUM RATINGS SW Voltage ..................................................–0.3V to 2V C1 Voltage....................................................–0.3V to 6V C2 Voltage (Note 5).........................................–8V to 8V VOUT2, VOUT2_EN...........................................–0.3V to 6V VAUX.................................................... 15mA into VAUX (Note 1) 12 11 10 9 8 7 13 GND 1 2 3 4 5 6 SW C2 C1 VOUT2_EN VS1 VS2 VAUX VSTORE VOUT VOUT2 VLDO PGD TOP VIEW DE PACKAGE 12-LEAD (4mm 3mm) PLASTIC DFN TJMAX = 125°C, θJA = 43°C/W EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB (NOTE 4) GN PACKAGE 16-LEAD PLASTIC SSOP NARROW 1 2 3 4 5 6 7 8 TOP VIEW 16 15 14 13 12 11 10 9 GND VAUX VSTORE VOUT VOUT2 VLDO PGD GND GND SW C2 C1 VOUT2_EN VS1 VS2 GND TJMAX = 125°C, θJA = 110°C/W PIN CONFIGURATION ELECTRICAL CHARACTERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS Minimum Start-Up Voltage Using 1:100 Transformer Turns Ratio, VAUX = 0V 20 50 mV No-Load Input Current Using 1:100 Transformer Turns Ratio; VIN = 20mV, VOUT2_EN = 0V; All Outputs Charged and in Regulation 3mA Input Voltage Range Using 1:100 Transformer Turns Ratio l VSTARTUP 500 mV The l denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are for TA = 25°C (Note 2). VAUX = 5V, unless otherwise noted. ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3108EDE#PBF LTC3108EDE#TRPBF 3108 12-Lead (4mm × 3mm) Plastic DFN –40°C to 125°C LTC3108IDE#PBF LTC3108IDE#TRPBF 3108 12-Lead (4mm × 3mm) Plastic DFN –40°C to 125°C LTC3108EGN#PBF LTC3108EGN#TRPBF 3108 16-Lead Plastic SSOP –40°C to 125°C LTC3108IGN#PBF LTC3108IGN#TRPBF 3108 16-Lead Plastic SSOP –40°C to 125°C Consult LTC Marketing for parts specified for other fixed output voltages or wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ VS1, VS2, VAUX, VOUT, PGD........................–0.3V to 6V VLDO, VSTORE ............................................–0.3V to 6V Operating Junction Temperature Range (Note 2)................................................. –40°C to 125°C Storage Temperature Range.................. –65°C to 125°C |
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