Datasheet LTC7800 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Low IQ , 60V, High Frequency Synchronous Step-Down Controller |
| 页数 / 页 | 32 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| 文件格式/大小 | PDF / 1.3 Mb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION http://www.linear.com/product/LTC7800#orderinfo
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文件文字版本
LTC7800
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (VIN) ... –0.3V to 65V TOP VIEW Topside Driver Voltage (BOOST) ...–0.3V to 71V Switch Voltage (SW) ... –5V to 65V FREQ TRACK/SS I LIM V IN (BOOST-SW) .. –0.3V to 6V 20 19 18 17 BG, TG ... (Note 8) PLLIN/MODE 1 16 PGND RUN ... –0.3V to 8V SGND 2 15 EXTVCC Maximum Current Sourced into Pin from SGND 3 21 14 INTVCC SGND Source > 8V ..100μA RUN 4 13 BG SENSE– 5 12 BOOST SENSE+, SENSE– Voltages ... –0.3V to 28V SENSE+ 6 11 SW PLLIN/MODE, INTVCC Voltages ... –0.3V to 6V 7 8 9 10 ILIM, FREQ Voltages ..–0.3V to INTVCC TG EXTV V FB ITH CC .. –0.3V to 14V PGOOD ITH, VFB Voltages ... –0.3V to 6V UDC PACKAGE PGOOD Voltage .. –0.3V to 6V 20-LEAD (3mm × 4mm) PLASTIC QFN TRACK/SS Voltage ... –0.3V to 6V TJMAX = 150°C, θJA = 52°C/W EXPOSED PAD (PIN 21) IS SGND, MUST BE SOLDERED TO PCB Operating Junction Temperature Range (Notes 2, 3) LTC7800E, LTC7800I ... –40°C to 125°C LTC7800H .. –40°C to 150°C Maximum Junction Temperature (Notes 2, 3) LTC7800E, LTC7800I .. 125°C LTC7800H ... 150°C Storage Temperature Range .. –65°C to 150°C
ORDER INFORMATION http://www.linear.com/product/LTC7800#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC7800EUDC#PBF LTC7800EUDC#TRPBF LHBS 20-Lead (3mm × 4mm) Plastic QFN –40°C to 125°C LTC7800IUDC#PBF LTC7800IUDC#TRPBF LHBS 20-Lead (3mm × 4mm) Plastic QFN –40°C to 125°C LTC7800HUDC#PBF LTC7800HUDC#TRPBF LHBS 20-Lead (3mm × 4mm) Plastic QFN –40°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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. 7800f 2 For more information www.linear.com/LTC7800 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions FUNCTIONAL Diagram Operation Applications Information Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (VIN) ... –0.3V to 65V TOP VIEW Topside Driver Voltage (BOOST) ...–0.3V to 71V Switch Voltage (SW) ... –5V to 65V FREQ TRACK/SS I LIM V IN (BOOST-SW) .. –0.3V to 6V 20 19 18 17 BG, TG ... (Note 8) PLLIN/MODE 1 16 PGND RUN ... –0.3V to 8V SGND 2 15 EXTVCC Maximum Current Sourced into Pin from SGND 3 21 14 INTVCC SGND Source > 8V ..100μA RUN 4 13 BG SENSE– 5 12 BOOST SENSE+, SENSE– Voltages ... –0.3V to 28V SENSE+ 6 11 SW PLLIN/MODE, INTVCC Voltages ... –0.3V to 6V 7 8 9 10 ILIM, FREQ Voltages ..–0.3V to INTVCC TG EXTV V FB ITH CC .. –0.3V to 14V PGOOD ITH, VFB Voltages ... –0.3V to 6V UDC PACKAGE PGOOD Voltage .. –0.3V to 6V 20-LEAD (3mm × 4mm) PLASTIC QFN TRACK/SS Voltage ... –0.3V to 6V TJMAX = 150°C, θJA = 52°C/W EXPOSED PAD (PIN 21) IS SGND, MUST BE SOLDERED TO PCB Operating Junction Temperature Range (Notes 2, 3) LTC7800E, LTC7800I ... –40°C to 125°C LTC7800H .. –40°C to 150°C Maximum Junction Temperature (Notes 2, 3) LTC7800E, LTC7800I .. 125°C LTC7800H ... 150°C Storage Temperature Range .. –65°C to 150°C
ORDER INFORMATION http://www.linear.com/product/LTC7800#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC7800EUDC#PBF LTC7800EUDC#TRPBF LHBS 20-Lead (3mm × 4mm) Plastic QFN –40°C to 125°C LTC7800IUDC#PBF LTC7800IUDC#TRPBF LHBS 20-Lead (3mm × 4mm) Plastic QFN –40°C to 125°C LTC7800HUDC#PBF LTC7800HUDC#TRPBF LHBS 20-Lead (3mm × 4mm) Plastic QFN –40°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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. 7800f 2 For more information www.linear.com/LTC7800 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions FUNCTIONAL Diagram Operation Applications Information Typical Application Related Parts