Datasheet LTC3728L-1 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | Dual, 550kHz, 2-Phase Synchronous Regulator |
| Pages / Page | 32 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION … |
| File Format / Size | PDF / 487 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING
Model Line for this Datasheet
Text Version of Document
LTC3728L-1
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) ...30V to – 0.3V PLLIN, PLLFLTR, FCB, Voltage .. INTVCC to –0.3V Input Supply Voltage (VIN) LTC3728LI-1 ..35V to – 0.3V ITH1, ITH2, VOSENSE1, VOSENSE2 Voltages .. 2.7V to –0.3V Top Side Driver Voltages Peak Output Current <10μs (TG1, TG2, BG1, BG2) ...3A (BOOST1, BOOST2) ... 36V to –0.3V INTVCC Peak Output Current ..40mA (BOOST1, BOOST2) LTC3728LI-1 .. 38V to –0.3V Operating Temperature Range (Note 7).. –40°C to 85°C Switch Voltage (SW1, SW2) ... 30V to –5V Junction Temperature (Note 2) ... 125°C Switch Voltage (SW1, SW2) LTC3728LI-1 ... 35V to –0.3V Storage Temperature Range ... –65°C to 125°C INTVCC, EXTVCC, RUN/SS1, RUN/SS2, (BOOST1-SW1), Refl ow Peak Body Temperature (UH Package) .. 260°C (BOOST2-SW2), PGOOD ... 7V to –0.3V Lead Temperature (Soldering, 10 sec) INTVCC, EXTVCC LTC3728LI-1 ... 8V to –0.3V GN Package .. 300°C SENSE1+, SENSE2+, SENSE1–, SENSE2– Voltages ...(1.1)INTVCC to –0.3V
PIN CONFIGURATION
TOP VIEW TOP VIEW – + RUN/SS1 1 28 PGOOD SENSE1+ 2 27 TG1 NC SENSE1 SENSE1 NC RUN/SS1 PGOOD TG1 SW1 SENSE– 3 26 SW1 32 31 30 29 28 27 26 25 V 1 24 BOOST1 V 4 25 OSENSE1 OSENSE1 BOOST1 PLLFLTR 2 23 V PLLFLTR 5 24 V IN IN PLLIN 3 22 BG1 PLLIN 6 23 BG1 FCB 4 21 EXTVCC FCB 7 22 EXTVCC 33 I 5 20 TH1 INTVCC I 8 21 TH1 INTVCC SGND 6 19 PGND SGND 9 20 PGND 3.3V 7 18 OUT BG2 3.3V 10 19 OUT BG2 I 8 17 TH2 BOOST2 I 11 18 TH2 BOOST2 9 10 11 12 13 14 15 16 V 12 17 OSENSE2 SW2 – + NC TG2 NC SENSE2– 13 16 TG2 SW2 OSENSE2 SENSE2 SENSE2 SENSE2+ 14 15 RUN/SS2 V RUN/SS2 UH PACKAGE GN PACKAGE 32-LEAD (5mm s 5mm) PLASTIC QFN 28-LEAD NARROW PLASTIC SSOP TJMAX = 125°C, θJA = 34°C/W TJMAX = 125°C, θJA = 95°C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3728LEGN-1#PBF LTC3728LEGN-1#TRPBF LTC3728LEGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LIGN-1#PBF LTC3728LIGN-1#TRPBF LTC3728LIGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LEUH-1#PBF LTC3728LEUH-1#TRPBF 728LE1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C LTC3728LIUH-1#PBF LTC3728LIUH-1#TRPBF 3728L1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3728LEGN-1 LTC3728LEGN-1#TR LTC3728LEGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LIGN-1 LTC3728LIGN-1#TR LTC3728LIGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LEUH-1 LTC3728LEUH-1#TR 728LE1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C LTC3728LIUH-1 LTC3728LIUH-1#TR 3728L1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 3728l1fc 2
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) ...30V to – 0.3V PLLIN, PLLFLTR, FCB, Voltage .. INTVCC to –0.3V Input Supply Voltage (VIN) LTC3728LI-1 ..35V to – 0.3V ITH1, ITH2, VOSENSE1, VOSENSE2 Voltages .. 2.7V to –0.3V Top Side Driver Voltages Peak Output Current <10μs (TG1, TG2, BG1, BG2) ...3A (BOOST1, BOOST2) ... 36V to –0.3V INTVCC Peak Output Current ..40mA (BOOST1, BOOST2) LTC3728LI-1 .. 38V to –0.3V Operating Temperature Range (Note 7).. –40°C to 85°C Switch Voltage (SW1, SW2) ... 30V to –5V Junction Temperature (Note 2) ... 125°C Switch Voltage (SW1, SW2) LTC3728LI-1 ... 35V to –0.3V Storage Temperature Range ... –65°C to 125°C INTVCC, EXTVCC, RUN/SS1, RUN/SS2, (BOOST1-SW1), Refl ow Peak Body Temperature (UH Package) .. 260°C (BOOST2-SW2), PGOOD ... 7V to –0.3V Lead Temperature (Soldering, 10 sec) INTVCC, EXTVCC LTC3728LI-1 ... 8V to –0.3V GN Package .. 300°C SENSE1+, SENSE2+, SENSE1–, SENSE2– Voltages ...(1.1)INTVCC to –0.3V
PIN CONFIGURATION
TOP VIEW TOP VIEW – + RUN/SS1 1 28 PGOOD SENSE1+ 2 27 TG1 NC SENSE1 SENSE1 NC RUN/SS1 PGOOD TG1 SW1 SENSE– 3 26 SW1 32 31 30 29 28 27 26 25 V 1 24 BOOST1 V 4 25 OSENSE1 OSENSE1 BOOST1 PLLFLTR 2 23 V PLLFLTR 5 24 V IN IN PLLIN 3 22 BG1 PLLIN 6 23 BG1 FCB 4 21 EXTVCC FCB 7 22 EXTVCC 33 I 5 20 TH1 INTVCC I 8 21 TH1 INTVCC SGND 6 19 PGND SGND 9 20 PGND 3.3V 7 18 OUT BG2 3.3V 10 19 OUT BG2 I 8 17 TH2 BOOST2 I 11 18 TH2 BOOST2 9 10 11 12 13 14 15 16 V 12 17 OSENSE2 SW2 – + NC TG2 NC SENSE2– 13 16 TG2 SW2 OSENSE2 SENSE2 SENSE2 SENSE2+ 14 15 RUN/SS2 V RUN/SS2 UH PACKAGE GN PACKAGE 32-LEAD (5mm s 5mm) PLASTIC QFN 28-LEAD NARROW PLASTIC SSOP TJMAX = 125°C, θJA = 34°C/W TJMAX = 125°C, θJA = 95°C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3728LEGN-1#PBF LTC3728LEGN-1#TRPBF LTC3728LEGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LIGN-1#PBF LTC3728LIGN-1#TRPBF LTC3728LIGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LEUH-1#PBF LTC3728LEUH-1#TRPBF 728LE1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C LTC3728LIUH-1#PBF LTC3728LIUH-1#TRPBF 3728L1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3728LEGN-1 LTC3728LEGN-1#TR LTC3728LEGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LIGN-1 LTC3728LIGN-1#TR LTC3728LIGN-1 28-Lead Narrow Plastic SSOP –40°C to 85°C LTC3728LEUH-1 LTC3728LEUH-1#TR 728LE1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C LTC3728LIUH-1 LTC3728LIUH-1#TR 3728L1 32-Lead (5mm × 5mm) Plastic DFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 3728l1fc 2
