ST BE SOLDERED TO PCB 3780ff 2 For more information www.linear.com/LTC3780 LTC3780 Order Information LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3780EG#PBF LTC3780EG#TRPBF LTC3780EG 24-Lead Plastic SSOP -40C to 85C LTC3780IG#PBF LTC3780IG#TRPBF LTC3780IG 24-Lead Plastic SSOP -40C to 125C LTC3780EUH#PBF LTC3780EUH#TRPBF 3780 32-Lead (5mm x 5mm) Plastic QFN -40C to 85C LTC3780IUH#PBF LTC3780IUH#TRPBF 3780I 32-Lead (5mm x 5mm) Plastic QFN -40C to 125C LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3780EG LTC3780EG#TR LTC3780EG 24-Lead Plastic SSOP -40C to 85C LTC3780IG LTC3780IG#TR LTC3780IG 24-Lead Plastic SSOP -40C to 125C LTC3780MPG LTC3780MPG#TR LTC3780MPG 24-Lead Plastic SSOP -55C to 125C LTC3780EUH LTC3780EUH#TR 3780 32-Lead (5mm x 5mm) Plastic QFN -40C to 85C LTC3780IUH LTC3780IUH#TR 3780I 32-Lead (5mm x 5mm) Plastic QFN -40C to 125C Consult LTC Mark
, JA = 34C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB 3780fe 2 LTC3780 ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3780EG#PBF LTC3780EG#TRPBF LTC3780EG 24-Lead Plastic SSOP -40C to 85C LTC3780IG#PBF LTC3780IG#TRPBF LTC3780IG 24-Lead Plastic SSOP -40C to 125C LTC3780EUH#PBF LTC3780EUH#TRPBF 3780 32-Lead (5mm x 5mm) Plastic QFN -40C to 85C LTC3780IUH#PBF LTC3780IUH#TRPBF 3780I 32-Lead (5mm x 5mm) Plastic QFN -40C to 125C LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3780EG LTC3780EG#TR LTC3780EG 24-Lead Plastic SSOP -40C to 85C LTC3780IG LTC3780IG#TR LTC3780IG 24-Lead Plastic SSOP -40C to 125C LTC3780MPG LTC3780MPG#TR LTC3780MPG 24-Lead Plastic SSOP -55C to 125C LTC3780EUH LTC3780EUH#TR 3780 32-Lead (5mm x 5mm) Plastic QFN -40C to 85C LTC3780IUH LTC3780IUH#TR 3780I 32-Lead (5mm x 5mm) Plastic QFN -40C to 125C Consult LTC Mark
, JA = 34C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB 3780fe 2 LTC3780 ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3780EG#PBF LTC3780EG#TRPBF LTC3780EG 24-Lead Plastic SSOP -40C to 85C LTC3780IG#PBF LTC3780IG#TRPBF LTC3780IG 24-Lead Plastic SSOP -40C to 125C LTC3780EUH#PBF LTC3780EUH#TRPBF 3780 32-Lead (5mm x 5mm) Plastic QFN -40C to 85C LTC3780IUH#PBF LTC3780IUH#TRPBF 3780I 32-Lead (5mm x 5mm) Plastic QFN -40C to 125C LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3780EG LTC3780EG#TR LTC3780EG 24-Lead Plastic SSOP -40C to 85C LTC3780IG LTC3780IG#TR LTC3780IG 24-Lead Plastic SSOP -40C to 125C LTC3780MPG LTC3780MPG#TR LTC3780MPG 24-Lead Plastic SSOP -55C to 125C LTC3780EUH LTC3780EUH#TR 3780 32-Lead (5mm x 5mm) Plastic QFN -40C to 85C LTC3780IUH LTC3780IUH#TR 3780I 32-Lead (5mm x 5mm) Plastic QFN -40C to 125C Consult LTC Mark
, JA = 34C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB 3780fe 2 LTC3780 ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3780EG#PBF LTC3780EG#TRPBF LTC3780EG 24-Lead Plastic SSOP -40C to 85C LTC3780IG#PBF LTC3780IG#TRPBF LTC3780IG 24-Lead Plastic SSOP -40C to 125C LTC3780EUH#PBF LTC3780EUH#TRPBF 3780 32-Lead (5mm x 5mm) Plastic QFN -40C to 85C LTC3780IUH#PBF LTC3780IUH#TRPBF 3780I 32-Lead (5mm x 5mm) Plastic QFN -40C to 125C LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3780EG LTC3780EG#TR LTC3780EG 24-Lead Plastic SSOP -40C to 85C LTC3780IG LTC3780IG#TR LTC3780IG 24-Lead Plastic SSOP -40C to 125C LTC3780MPG LTC3780MPG#TR LTC3780MPG 24-Lead Plastic SSOP -55C to 125C LTC3780EUH LTC3780EUH#TR 3780 32-Lead (5mm x 5mm) Plastic QFN -40C to 85C LTC3780IUH LTC3780IUH#TR 3780I 32-Lead (5mm x 5mm) Plastic QFN -40C to 125C Consult LTC Mark
SGND, MUST BE SOLDERED TO PCB Rev G 2 For more information www.analog.com LTC3780 ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3780EG#PBF LTC3780EG#TRPBF LTC3780EG 24-Lead Plastic SSOP -40C to 85C LTC3780IG#PBF LTC3780IG#TRPBF LTC3780IG 24-Lead Plastic SSOP -40C to 125C LTC3780MPG#PBF LTC3780MPG#TRPBF LTC3780MPG 24-Lead Plastic SSOP -55C to 125C LTC3780EUH#PBF LTC3780EUH#TRPBF 3780 32-Lead (5mm x 5mm) Plastic QFN -40C to 85C LTC3780IUH#PBF LTC3780IUH#TRPBF 3780I 32-Lead (5mm x 5mm) Plastic QFN -40C to 125C LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3780EG LTC3780EG#TR LTC3780EG 24-Lead Plastic SSOP -40C to 85C LTC3780IG LTC3780IG#TR LTC3780IG 24-Lead Plastic SSOP -40C to 125C LTC3780MPG LTC3780MPG#TR LTC3780MPG 24-Lead Plastic SSOP -55C to 125C LTC3780EUH LTC3780EUH#TR 3780 32-Lead (5mm x 5mm) Plastic QFN -40C to 85C LTC3780IUH LTC3
C, JA = 130C/W TJMAX = 125C, JA = 34C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LTC3780EG#PBF PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3780EG#TRPBF 24-Lead Plastic SSOP -40C to 85C LTC3780IG#PBF LTC3780IG#TRPBF 24-Lead Plastic SSOP -40C to 125C LTC3780EUH#PBF LTC3780EUH#TRPBF 3780 32-Lead (5mm x 5mm) Plastic QFN -40C to 85C LTC3780IUH#PBF LTC3780IUH#TRPBF 3780I 32-Lead (5mm x 5mm) Plastic QFN -40C to 125C LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3780EG LTC3780EG#TR 24-Lead Plastic SSOP -40C to 85C LTC3780IG LTC3780IG#TR 24-Lead Plastic SSOP -40C to 125C LTC3780EUH LTC3780EUH#TR 3780 32-Lead (5mm x 5mm) Plastic QFN -40C to 85C LTC3780IUH LTC3780IUH#TR 3780I 32-Lead (5mm x 5mm) Plastic QFN -40C to 125C Consult LTC Marketing for parts specified with wider operating temperature ranges. For more information on lead free part marking, go to: http
47 56M8576 7.38 7.49 5.97 4.52 12 16-SSOP 56M8632 5.25 4.42 28 6-SOT-23 66M7843 3.37 3.41 LTC3780EUH#PBF Step Down/Step Up (Buck/ Boost) Step Down/Step Up (Buck/ Boost) Synch Buck-Boost Controller 36 32-QFN 56M8399 9.63 7.47 36 24-SSOP 56M8403 10.51 11.08 LTC3780IG#PBF LTC3780IUH#PBF 36 QFN 56M8407 10.51 11.08 (112547) STEP DOWN DC/DC CONTROLLERS STEP DOWN (BUCK) STEP UP DC/DC CONTROLLERS STEP UP Mfg. Part No. LT1619ES8#PBF LTC3862EGN#PBF LTC3872ETS8#TRMPBF LTC3805EDD-5#PBF LTC3805EMSE-5#PBF LTC3805HMSE#PBF LT1105CN8#PBF LTC3787EGN#PBF LTC3787EUFD#PBF LTC3786EMSE#PBF LTC3786EUD#PBF LT3782EFE#PBF LT3782AEFE#PBF LT3782AEUFD#PBF Type Step Up (Boost) Boost Switching Boost Boost Switching Boost Switching, Step Up (Boost) Boost, Flyback Flyback Switching PolyPhase Synchronous Boost Controller Supply Voltage Max. (V) 18 36 9.8 75 75 Price Each Package Stock No. 1-24 57M5256 3.35 4.23 8-NSOIC 7.05 24-SSOP 15N5417 7.15 3.86 8-TSOT-23 56M8617 4.12 10-DFN 79M3553 2.08 2.75 2.75 10-MSOP 79M3555 2.54 Synchron
ND 5 20 BG1 RUN 6 19 PGND FCB 7 18 BG2 PLLFTR 8 17 SW2 UH PART MARKING 9 10 11 12 13 14 15 16 13 BOOST2 3780 3780I NC 5 BOOST1 ITH 24 SW1 TG2 21 VIN NC 4 32 31 30 29 28 27 26 25 BOOST2 SENSE- NC 22 SW1 ORDER PART NUMBER SENSE+ 1 NC 3 PGOOD SENSE LTC3780EG LTC3780IG NC 23 TG1 SS 2 + STBYMD SS NC 24 BOOST1 NC 1 PLLIN PGOOD STBYMD 12 TOP VIEW ORDER PART NUMBER TOP VIEW UH PACKAGE 32-LEAD (5mm x 5mm) PLASTIC QFN TJMAX = 125C, JA = 34C/W EXPOSED PAD (PIN 33) IS SGND (MUST BE SOLDERED TO PCB) G PACKAGE 24-LEAD PLASTIC SSOP TJMAX = 125C, JA = 130C/W Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges. ELECTRICAL CHARACTERISTICS The indicates specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25C. VIN = 15V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNI
ND 5 20 BG1 RUN 6 19 PGND FCB 7 18 BG2 PLLFTR 8 17 SW2 UH PART MARKING 9 10 11 12 13 14 15 16 13 BOOST2 3780 3780I NC 5 BOOST1 ITH 24 SW1 TG2 21 VIN NC 4 32 31 30 29 28 27 26 25 BOOST2 SENSE- NC 22 SW1 ORDER PART NUMBER SENSE+ 1 NC 3 PGOOD SENSE LTC3780EG LTC3780IG NC 23 TG1 SS 2 + STBYMD SS NC 24 BOOST1 NC 1 PLLIN PGOOD STBYMD 12 TOP VIEW ORDER PART NUMBER TOP VIEW UH PACKAGE 32-LEAD (5mm x 5mm) PLASTIC QFN TJMAX = 125C, JA = 34C/W EXPOSED PAD (PIN 33) IS SGND (MUST BE SOLDERED TO PCB) G PACKAGE 24-LEAD PLASTIC SSOP TJMAX = 125C, JA = 130C/W Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges. ELECTRICAL CHARACTERISTICS The indicates specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25C. VIN = 15V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNI
SW2 PLLIN 11 14 TG2 24 SW1 SENSE- 2 23 VIN ITH 3 22 EXTVCC 21 INTVCC 33 20 BG1 UH PART MARKING 3780 3780I NC TG2 BOOST2 NC NC STBYMD NC 9 10 11 12 13 14 15 16 13 BOOST2 STBYMD 12 LTC3780EUH LTC3780IUH 32 31 30 29 28 27 26 25 SENSE+ 1 PLLIN SENSE LTC3780EG LTC3780IG UH PACKAGE 32-LEAD (5mm x 5mm) PLASTIC QFN G PACKAGE 24-LEAD PLASTIC SSOP TJMAX = 125C, JA = 130C/W TJMAX = 125C, JA = 34C/W EXPOSED PAD (PIN 33) IS SGND (MUST BE SOLDERED TO PCB) Consult LTC Marketing for parts specified with wider operating temperature ranges. ELECTRICAL CHARACTERISTICS The indicates specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25C. VIN = 15V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS 0.792 0.800 0.808 V -5 -50 nA 0.1 -0.1 0.5 -0.5 % % Main Control Loop VOSENSE Feedback Reference Voltage ITH = 1.2V (Note 3) IVOSENSE Feedback Pin Input Current (Note 3) VLOADREG Output Voltage Load Regulation (Note 3) ITH = 1.2V to 0.7V ITH = 1.2V
ND 5 20 BG1 RUN 6 19 PGND FCB 7 18 BG2 PLLFTR 8 17 SW2 UH PART MARKING 9 10 11 12 13 14 15 16 13 BOOST2 3780 3780I NC 5 BOOST1 ITH 24 SW1 TG2 21 VIN NC 4 32 31 30 29 28 27 26 25 BOOST2 SENSE- NC 22 SW1 ORDER PART NUMBER SENSE+ 1 NC 3 PGOOD SENSE LTC3780EG LTC3780IG NC 23 TG1 SS 2 + STBYMD SS NC 24 BOOST1 NC 1 PLLIN PGOOD STBYMD 12 TOP VIEW ORDER PART NUMBER TOP VIEW UH PACKAGE 32-LEAD (5mm x 5mm) PLASTIC QFN TJMAX = 125C, JA = 34C/W EXPOSED PAD (PIN 33) IS SGND (MUST BE SOLDERED TO PCB) G PACKAGE 24-LEAD PLASTIC SSOP TJMAX = 125C, JA = 130C/W Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges. ELECTRICAL CHARACTERISTICS The indicates specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25C. VIN = 15V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNI
ND 5 20 BG1 RUN 6 19 PGND FCB 7 18 BG2 PLLFTR 8 17 SW2 UH PART MARKING 9 10 11 12 13 14 15 16 13 BOOST2 3780 3780I NC 5 BOOST1 ITH 24 SW1 TG2 21 VIN NC 4 32 31 30 29 28 27 26 25 BOOST2 SENSE- NC 22 SW1 ORDER PART NUMBER SENSE+ 1 NC 3 PGOOD SENSE LTC3780EG LTC3780IG NC 23 TG1 SS 2 + STBYMD SS NC 24 BOOST1 NC 1 PLLIN PGOOD STBYMD 12 TOP VIEW ORDER PART NUMBER TOP VIEW UH PACKAGE 32-LEAD (5mm x 5mm) PLASTIC QFN TJMAX = 125C, JA = 34C/W EXPOSED PAD (PIN 33) IS SGND (MUST BE SOLDERED TO PCB) G PACKAGE 24-LEAD PLASTIC SSOP TJMAX = 125C, JA = 130C/W Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges. ELECTRICAL CHARACTERISTICS The indicates specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25C. VIN = 15V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNI