Datasheet LTC7817 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 40V, Low IQ, 3MHz, Triple Output Buck/Buck/Boost Synchronous Controller |
| Pages / Page | 44 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| File Format / Size | PDF / 3.0 Mb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
Model Line for this Datasheet
Text Version of Document
LTC7817
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Bias Input Supply Voltage (VBIAS) .. –0.3V to 40V TOP VIEW BOOST1, BOOST2, BOOST3 ... –0.3V to 46V – + Switch Voltage (SW1, SW2, SW3) .. –5V to 40V RUN1, RUN2, RUN3 Voltages ... –0.3V to 40V SENSE1 SENSE1 V FB1 I TH1 TRACK/SS1 PGOOD1 TG1 38 37 36 35 34 33 32 SENSE1+, SENSE1– Voltages .. –0.3V to 40V FREQ 1 31 SW1 SENSE2+, SENSE2– Voltages ... –0.3V to 40V PLLIN/MODE 2 30 BOOST1 SENSE3+, SENSE3– Voltages ... –0.3V to 40V SS3 3 29 BG1 EXTV SENSE3+ 4 28 SW3 CC Voltage ... –0.3V to 30V INTV SENSE3– 5 27 TG3 CC, (BOOST1-SW1), VFB3 6 26 BOOST3 (BOOST2-SW2), (BOOST3-SW3) ... –0.3V to 6V 39 PGND ITH3 7 25 BG3 TRACK/SS1, TRACK/SS2, SS3 Voltages .. –0.3V to 6V SGND 8 24 VBIAS ITH1, ITH2, ITH3 Voltages.. –0.3V to 2V RUN1 9 23 EXTVCC VFB3 Voltage... –0.3V to 40V RUN2 10 22 INTVCC V RUN3 11 21 BG2 FB1, VFB2, PLLIN/MODE Voltages ... –0.3V to 6V VPRG3, FREQ, PGOOD1 Voltages .. –0.3V to 6V SENSE2– 12 20 BOOST2 BG1, BG2, BG3, TG1, TG2, TG3 .. (Note 9) 13 14 15 16 17 18 19 + Operating Junction Temperature Range (Notes 2,8) V FB2 I TH2 TG2 SW2 VPRG3 LTC7817E, LTC7817I .. –40°C to 125°C SENSE2 TRACK/SS2 LTC7817J, LTC7817H ... –40°C to 150°C UHF PACKAGE Storage Temperature Range .. –65°C to 150°C 38-LEAD (5mm × 7mm) PLASTIC QFN TJMAX = 150°C, θJA = 34.7°C/W EXPOSED PAD (PIN 39) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC7817EUHF#PBF LTC7817EUHF#TRPBF 7817 38-Lead (5mm x 7mm) Plastic QFN –40°C to 125°C
AUTOMOTIVE PRODUCTS**
LTC7817IUHF#WPBF LTC7817IUHF#WTRPBF 7817 38-Lead (5mm x 7mm) Plastic QFN –40°C to 125°C LTC7817JUHF#WPBF LTC7817JUHF#WTRPBF 7817 38-Lead (5mm x 7mm) Plastic QFN –40°C to 150°C LTC7817HUHF#WPBF LTC7817HUHF#WTRPBF 7817 38-Lead (5mm x 7mm) Plastic QFN –40°C to 150°C Contact the factory for parts specified with wider operating temperature ranges. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
**
Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for these models. Rev 0 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Bias Input Supply Voltage (VBIAS) .. –0.3V to 40V TOP VIEW BOOST1, BOOST2, BOOST3 ... –0.3V to 46V – + Switch Voltage (SW1, SW2, SW3) .. –5V to 40V RUN1, RUN2, RUN3 Voltages ... –0.3V to 40V SENSE1 SENSE1 V FB1 I TH1 TRACK/SS1 PGOOD1 TG1 38 37 36 35 34 33 32 SENSE1+, SENSE1– Voltages .. –0.3V to 40V FREQ 1 31 SW1 SENSE2+, SENSE2– Voltages ... –0.3V to 40V PLLIN/MODE 2 30 BOOST1 SENSE3+, SENSE3– Voltages ... –0.3V to 40V SS3 3 29 BG1 EXTV SENSE3+ 4 28 SW3 CC Voltage ... –0.3V to 30V INTV SENSE3– 5 27 TG3 CC, (BOOST1-SW1), VFB3 6 26 BOOST3 (BOOST2-SW2), (BOOST3-SW3) ... –0.3V to 6V 39 PGND ITH3 7 25 BG3 TRACK/SS1, TRACK/SS2, SS3 Voltages .. –0.3V to 6V SGND 8 24 VBIAS ITH1, ITH2, ITH3 Voltages.. –0.3V to 2V RUN1 9 23 EXTVCC VFB3 Voltage... –0.3V to 40V RUN2 10 22 INTVCC V RUN3 11 21 BG2 FB1, VFB2, PLLIN/MODE Voltages ... –0.3V to 6V VPRG3, FREQ, PGOOD1 Voltages .. –0.3V to 6V SENSE2– 12 20 BOOST2 BG1, BG2, BG3, TG1, TG2, TG3 .. (Note 9) 13 14 15 16 17 18 19 + Operating Junction Temperature Range (Notes 2,8) V FB2 I TH2 TG2 SW2 VPRG3 LTC7817E, LTC7817I .. –40°C to 125°C SENSE2 TRACK/SS2 LTC7817J, LTC7817H ... –40°C to 150°C UHF PACKAGE Storage Temperature Range .. –65°C to 150°C 38-LEAD (5mm × 7mm) PLASTIC QFN TJMAX = 150°C, θJA = 34.7°C/W EXPOSED PAD (PIN 39) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC7817EUHF#PBF LTC7817EUHF#TRPBF 7817 38-Lead (5mm x 7mm) Plastic QFN –40°C to 125°C
AUTOMOTIVE PRODUCTS**
LTC7817IUHF#WPBF LTC7817IUHF#WTRPBF 7817 38-Lead (5mm x 7mm) Plastic QFN –40°C to 125°C LTC7817JUHF#WPBF LTC7817JUHF#WTRPBF 7817 38-Lead (5mm x 7mm) Plastic QFN –40°C to 150°C LTC7817HUHF#WPBF LTC7817HUHF#WTRPBF 7817 38-Lead (5mm x 7mm) Plastic QFN –40°C to 150°C Contact the factory for parts specified with wider operating temperature ranges. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
**
Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for these models. Rev 0 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Typical Application Related Parts
