Datasheet LTC3890 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller |
| Pages / Page | 40 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| File Format / Size | PDF / 935 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
Text Version of Document
LTC3890
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (V TOP VIEW IN) ... –0.3V to 65V + Topside Driver Voltages 1 BOOST1, BOOST2 ...–0.3V to 71V SENSE1 V FB1 ITH TRACK/SS1 I LIM PGOOD1 TG1 SW1 Switch Voltage (SW1, SW2) ... –5V to 65V 32 31 30 29 28 27 26 25 (BOOST1-SW1), (BOOST2-SW2) .. –0.3V to 6V SENSE1– 1 24 BOOST1 FREQ 2 23 BG1 RUN1, RUN2 ... –0.3V to 8V PHASMD 3 22 VIN Maximum Current Sourced into Pin from CLKOUT 4 21 PGND 33 Source > 8V ...100µA PLLIN/MODE 5 SGND 20 EXTVCC SENSE1+, SENSE2+, SENSE1– SGND 6 19 INTVCC SENSE2– Voltages ... –0.3V to 28V RUN1 7 18 BG2 PLLIN/MODE, INTV RUN2 8 17 BOOST2 CC Voltages ... –0.3V to 6V FREQ Voltage ..–0.3V to INTV 9 10 11 12 13 14 15 16 CC – + 2 ILIM, PHASMD Voltages ...–0.3V to INTVCC V FB2 ITH TG2 SW2 EXTVCC ... –0.3V to 14V SENSE2 SENSE2 PGOOD2 TRACK/SS2 ITH1, ITH2, VFB1, VFB2 Voltages ... –0.3V to 6V UH PACKAGE 32-LEAD (5mm × 5mm) PLASTIC QFN PGOOD1, PGOOD2 Voltages ... –0.3V to 6V TJMAX = 150°C, θJA = 34°C/W TRACK/SS1, TRACK/SS2 Voltages ... –0.3V to 6V EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB Operating Junction Temperature Range (Notes 2, 3) LTC3890E, LTC3890I ... –40°C to 125°C LTC3890H .. –40°C to 150°C LTC3890MP ... –55°C to 150°C Storage Temperature Range .. –65°C to 150°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3890EUH#PBF LTC3890EUH#TRPBF 3890 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LTC3890IUH#PBF LTC3890IUH#TRPBF 3890 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LTC3890HUH#PBF LTC3890HUH#TRPBF 3890 32-Lead (5mm × 5mm) Plastic QFN –40°C to 150°C LTC3890MPUH#PBF LTC3890MPUH#TRPBF 3890 32-Lead (5mm × 5mm) Plastic QFN –55°C to 150°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard 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. VIN = 12V, VRUN1,2 = 5V, EXTVCC = 0V unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Input Supply Operating Voltage Range 4 60 V VFB1,2 Regulated Feedback Voltage (Note 4) ITH1,2 Voltage = 1.2V –40°C to 85°C, All Grades 0.792 0.800 0.808 V LTC3890E, LTC3890I l 0.788 0.800 0.812 V LTC3890H, LTC3890MP l 0.786 0.800 0.812 V 3890fc 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (V TOP VIEW IN) ... –0.3V to 65V + Topside Driver Voltages 1 BOOST1, BOOST2 ...–0.3V to 71V SENSE1 V FB1 ITH TRACK/SS1 I LIM PGOOD1 TG1 SW1 Switch Voltage (SW1, SW2) ... –5V to 65V 32 31 30 29 28 27 26 25 (BOOST1-SW1), (BOOST2-SW2) .. –0.3V to 6V SENSE1– 1 24 BOOST1 FREQ 2 23 BG1 RUN1, RUN2 ... –0.3V to 8V PHASMD 3 22 VIN Maximum Current Sourced into Pin from CLKOUT 4 21 PGND 33 Source > 8V ...100µA PLLIN/MODE 5 SGND 20 EXTVCC SENSE1+, SENSE2+, SENSE1– SGND 6 19 INTVCC SENSE2– Voltages ... –0.3V to 28V RUN1 7 18 BG2 PLLIN/MODE, INTV RUN2 8 17 BOOST2 CC Voltages ... –0.3V to 6V FREQ Voltage ..–0.3V to INTV 9 10 11 12 13 14 15 16 CC – + 2 ILIM, PHASMD Voltages ...–0.3V to INTVCC V FB2 ITH TG2 SW2 EXTVCC ... –0.3V to 14V SENSE2 SENSE2 PGOOD2 TRACK/SS2 ITH1, ITH2, VFB1, VFB2 Voltages ... –0.3V to 6V UH PACKAGE 32-LEAD (5mm × 5mm) PLASTIC QFN PGOOD1, PGOOD2 Voltages ... –0.3V to 6V TJMAX = 150°C, θJA = 34°C/W TRACK/SS1, TRACK/SS2 Voltages ... –0.3V to 6V EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB Operating Junction Temperature Range (Notes 2, 3) LTC3890E, LTC3890I ... –40°C to 125°C LTC3890H .. –40°C to 150°C LTC3890MP ... –55°C to 150°C Storage Temperature Range .. –65°C to 150°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3890EUH#PBF LTC3890EUH#TRPBF 3890 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LTC3890IUH#PBF LTC3890IUH#TRPBF 3890 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LTC3890HUH#PBF LTC3890HUH#TRPBF 3890 32-Lead (5mm × 5mm) Plastic QFN –40°C to 150°C LTC3890MPUH#PBF LTC3890MPUH#TRPBF 3890 32-Lead (5mm × 5mm) Plastic QFN –55°C to 150°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard 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. VIN = 12V, VRUN1,2 = 5V, EXTVCC = 0V unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Input Supply Operating Voltage Range 4 60 V VFB1,2 Regulated Feedback Voltage (Note 4) ITH1,2 Voltage = 1.2V –40°C to 85°C, All Grades 0.792 0.800 0.808 V LTC3890E, LTC3890I l 0.788 0.800 0.812 V LTC3890H, LTC3890MP l 0.786 0.800 0.812 V 3890fc 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
