Datasheet LTC7124 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | 17V, Dual 3.5A Synchronous Step-Down Regulator with Ultralow Quiescent Current |
| Seiten / Seite | 22 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| Dateiformat / Größe | PDF / 1.7 Mb |
| Dokumentensprache | Englisch |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION http://www.linear.com/product/LTC7124#orderinfo
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LTC7124
ABSOLUTE MAXIMUM RATINGS PIN 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#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE 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/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C. VIN1 = VIN2 = 12V, unless otherwise noted. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
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
ABSOLUTE MAXIMUM RATINGS PIN 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#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE 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/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C. VIN1 = VIN2 = 12V, unless otherwise noted. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
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