LTC7124 ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Note 1) V TOP VIEW IN1, VIN2 (Note 2) ... –0.3V to 17V RUN1, RUN2 .. –0.3V to 17V MODE/SYNC ..–0.3V to INTV FB1 ITH1 PGOOD1 RUN1 CC+0.3V 24 23 22 21 ILIM, RT ..–0.3V to INTVCC+0.3V GND 1 20 SW1 ITH1, ITH2 ..–0.3V to INTVCC+0.3V GND 2 19 SW1 PGOOD1, PGOOD2 ... –0.3V to 6V VIN1 3 GND 25 18 BOOST1 FB1, FB2 ... –0.3V to 6V ILIM 4 17 MODE/SYNC GND Operating Junction Temperature Range 26 RT 5 16 INTVCC (Note 3) .. –40°C to 125°C VIN2 6 15 BOOST2 Storage Temperature Range .. –65°C to 150°C GND 7 14 SW2 GND 8 13 SW2 9 10 11 12 FB2 ITH2 RUN2 PGOOD2 UDD PACKAGE VARIATION: AA 24-LEAD (3mm × 5mm) PLASTIC QFN TJMAX = 150°C, θJA = 22°C/W EXPOSED PAD (PINS 25 & 26) IS GND, MUST BE SOLDERED TO PCB ORDER INFORMATION http://www.linear.com/product/LTC7124#orderinfoLEAD FREE FINISHTAPE AND REELPART MARKINGPACKAGE DESCRIPTIONTEMPERATURE RANGE LTC7124EUDD#PBF LTC7124EUDD#TRPBF LGVF 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C LTC7124IUDD#PBF LTC7124IUDD#TRPBF LGVF 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on nonstandard lead based finish parts. 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/ ELECTRICALCHARACTERISTICS The l denotes the specifications which apply over the specified operatingjunction temperature range, otherwise specifications are at TA = 25°C. VIN1 = VIN2 = 12V, unless otherwise noted. (Note 3) SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS VIN Operating Voltage 3.1 17 V VOUT Output Voltage (Note 6) 0.6 0.99 • VIN V IQ Input Quiescent Current Active Mode, Single Channel (Note 4) 1.5 2.75 mA Active Mode, Dual Channels (Note 4) 2 3 mA Burst Mode, IOUT1 = IOUT2 = 0A 8 16 µA Burst Mode, Single Channel, IOUT = 0A 5.5 11 µA Shutdown Mode; VRUN1 = VRUN2 = 0V 0.1 1 µA VFB Regulated Feedback Voltage (Note 5) 0.596 0.6 0.604 V l 0.594 0.6 0.606 V 7124fa 2 For more information www.linear.com/LTC7124