Datasheet LTC7878 (Analog Devices) - 2
| Fabricante | Analog Devices |
| Descripción | 70V Parallelable 4-Switch Buck-Boost Controller with Inductor DCR Current Sensing |
| Páginas / Página | 30 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| Formato / tamaño de archivo | PDF / 2.4 Mb |
| Idioma del documento | Inglés |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
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LTC7878
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input and Output Voltage (V TOP VIEW IN, VOUT) .. –0.3V to 72V Topside Driver Voltages (BOOST1, BOOST2).. –0.3V to 78V TG1 BOOST1 SW1 ISNSD ISNSP ISNSN NC V OUT 32 31 30 29 28 27 26 25 Switch Voltages (SW1, SW2) .. –5V to 72V BG1 1 24 CSN (BOOST1 – SW1), (BOOST2 – SW2) .. –0.3V to 8V VIN 2 23 CSP Inductor Current Sense Voltages DRVCC 3 22 SETCUR (ISNSP, ISNSN, ISNSD) .. –5V to72V EXTVCC 4 33 21 SYNC Input/Output Current Sense Voltages INTVCC 5 SGND 20 CLKOUT (CSP, CSN) ... –0.3V to 72V RUN 6 19 FREQ EXTV PGND 7 18 PHASMD CC Voltage ... –0.3V to 72V BG2 8 17 MODE/ILIM RUN Voltage..–0.3V to 12V 9 10 11 12 13 14 15 16 PGOOD Voltage .. –0.3V to 6V SS ITH, ITHB, V TG2 SW2 ITHB ITH V FB FB Voltages .. –0.3V to INTVCC BOOST2 PGOOD PHASMD, SETCUR, SS Voltages ...–0.3V to INTVCC UH PACKAGE FREQ, SYNC, CLKOUT Voltages ..–0.3V to INTV 32-LEAD (5mm × 5mm) PLASTIC QFN CC MODE/ILIM Voltage ..–0.3V to INTV TJMAX = 125°C, θJA = 44°C/W CC EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB DRVCC Peak Current (Note 10) ...100mA TG1, BG1, TG2, BG2 ... (Note 9) Operating Junction Temperature Range (Notes 2, 3) 1T D P N LTC7878A .. –40°C to 125°C S 1 O 1 S S S T C G O W C N N N C C U C N T B S N SI SI SI N N V O N Storage Temperature Range .. –65°C to 150°C 8 7 6 5 4 4 4 4 4 4 34 24 14 04 93 83 73 BG1 1 36 NC NC 2 35 CSN NC 3 34 CSP V 4 33 NC IN NC 5 32 NC NC 6 LTC7878 31 SETCUR DRV 7 TOP VIEW 30 SYNC CC EXTV 8 (Not to Scale) 29 CC CLKOUT INTV 9 28 CC FREQ 10 (49) RUN 27 PHASMD SGND PGND 11 26 MODE/ILIM BG2 12 25 VFB 3 4 5 6 7 8 9 0 1 2 3 4 1 1 1 1 1 1 1 2 2 2 2 2 C 2 2 2 C C D S B H C C N G T W N N O S H T T S I N N S T O I O G O P B UK PACKAGE 48-LEAD (7mm × 7mm) LFCSP TJMAX JA = 34°C/W EXPOSED PAD (PIN 49) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC7878AUH#PBF LTC7878AUH#TRPBF LTC7878 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LTC7878AUK#PBF LTC7878AUK#TRPBF LTC7878 48-Lead (7mm x 7mm) LFCSP –40°C to 125°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. Rev. C 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 Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input and Output Voltage (V TOP VIEW IN, VOUT) .. –0.3V to 72V Topside Driver Voltages (BOOST1, BOOST2).. –0.3V to 78V TG1 BOOST1 SW1 ISNSD ISNSP ISNSN NC V OUT 32 31 30 29 28 27 26 25 Switch Voltages (SW1, SW2) .. –5V to 72V BG1 1 24 CSN (BOOST1 – SW1), (BOOST2 – SW2) .. –0.3V to 8V VIN 2 23 CSP Inductor Current Sense Voltages DRVCC 3 22 SETCUR (ISNSP, ISNSN, ISNSD) .. –5V to72V EXTVCC 4 33 21 SYNC Input/Output Current Sense Voltages INTVCC 5 SGND 20 CLKOUT (CSP, CSN) ... –0.3V to 72V RUN 6 19 FREQ EXTV PGND 7 18 PHASMD CC Voltage ... –0.3V to 72V BG2 8 17 MODE/ILIM RUN Voltage..–0.3V to 12V 9 10 11 12 13 14 15 16 PGOOD Voltage .. –0.3V to 6V SS ITH, ITHB, V TG2 SW2 ITHB ITH V FB FB Voltages .. –0.3V to INTVCC BOOST2 PGOOD PHASMD, SETCUR, SS Voltages ...–0.3V to INTVCC UH PACKAGE FREQ, SYNC, CLKOUT Voltages ..–0.3V to INTV 32-LEAD (5mm × 5mm) PLASTIC QFN CC MODE/ILIM Voltage ..–0.3V to INTV TJMAX = 125°C, θJA = 44°C/W CC EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB DRVCC Peak Current (Note 10) ...100mA TG1, BG1, TG2, BG2 ... (Note 9) Operating Junction Temperature Range (Notes 2, 3) 1T D P N LTC7878A .. –40°C to 125°C S 1 O 1 S S S T C G O W C N N N C C U C N T B S N SI SI SI N N V O N Storage Temperature Range .. –65°C to 150°C 8 7 6 5 4 4 4 4 4 4 34 24 14 04 93 83 73 BG1 1 36 NC NC 2 35 CSN NC 3 34 CSP V 4 33 NC IN NC 5 32 NC NC 6 LTC7878 31 SETCUR DRV 7 TOP VIEW 30 SYNC CC EXTV 8 (Not to Scale) 29 CC CLKOUT INTV 9 28 CC FREQ 10 (49) RUN 27 PHASMD SGND PGND 11 26 MODE/ILIM BG2 12 25 VFB 3 4 5 6 7 8 9 0 1 2 3 4 1 1 1 1 1 1 1 2 2 2 2 2 C 2 2 2 C C D S B H C C N G T W N N O S H T T S I N N S T O I O G O P B UK PACKAGE 48-LEAD (7mm × 7mm) LFCSP TJMAX JA = 34°C/W EXPOSED PAD (PIN 49) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC7878AUH#PBF LTC7878AUH#TRPBF LTC7878 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LTC7878AUK#PBF LTC7878AUK#TRPBF LTC7878 48-Lead (7mm x 7mm) LFCSP –40°C to 125°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. Rev. C 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 Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts