Datasheet LTC7801 (Analog Devices) - 2

制造商Analog Devices
描述150V Low IQ, Synchronous Step-Down DC/DC Controller
页数 / 页38 / 2 — absoluTe MaxiMuM raTings (Note 1). pin conFiguraTion
文件格式/大小PDF / 2.4 Mb
文件语言英语

absoluTe MaxiMuM raTings (Note 1). pin conFiguraTion

absoluTe MaxiMuM raTings (Note 1) pin conFiguraTion

文件文字版本

LTC7801
absoluTe MaxiMuM raTings (Note 1)
Input Supply Voltage (VIN) ... –0.3V to 150V DRVSET, CPUMP_EN Voltages ... –0.3V to 6V Top Side Driver Voltage BOOST ... –0.3V to 150V NDRV ... (Note 9) Switch Voltage (SW) ... –5V to 150V EXTVCC Voltage ... –0.3V to 14V DRVCC, (BOOST-SW) Voltages ..–0.3V to 11V ITH, VFB Voltages ... –0.3V to 6V BG, TG ... (Note 8) SS, OVLO Voltages .. –0.3V to 6V RUN Voltage... –0.3V to 150V Operating Junction Temperature Range (Notes 2, 3) SENSE+, SENSE– Voltages ... –0.3V to 65V LTC7801E, LTC7801I .. –40°C to 125°C PLLIN, PGOOD Voltages .. –0.3V to 6V LTC7801H .. –40°C to 150°C MODE, DRVUV Voltages .. –0.3V to 6V Storage Temperature Range .. –65°C to 150°C FREQ Voltage ... –0.3V to 6V
pin conFiguraTion
TOP VIEW TOP VIEW SENSE– 1 24 SENSE+ – + CC SS 2 23 OVLO SS SENSE SENSE OVLO INTV V 3 22 FB INTVCC 24 23 22 21 20 ITH 4 21 RUN VFB 1 19 RUN ITH 2 18 MODE 5 20 EXTV EXTVCC CC MODE 3 17 V GND 6 19 V IN IN 25 GND 4 25 16 NDRV CRUMP_EN 7 18 NDRV CPUMP_EN 5 15 DRVCC PLLIN 8 17 DRVCC PLLIN 6 14 BG PGOOD 9 16 BG PGOOD 7 13 BOOST FREQ 10 15 BOOST 8 9 10 11 12 DRVSET 11 14 SW TG SW FREQ DRVUV 12 13 TG DRVSET DRVUV FE PACKAGE UFD PACKAGE 24-LEAD PLASTIC TSSOP 24-LEAD (4mm × 5mm) PLASTIC QFN T T JMAX = 150°C, θJA = 33°C/W JMAX = 150°C, θJA = 43°C/W EXPOSED PAD (PIN 25) IS GND, MUST BE EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB FOR RATED ELECTRICAL AND SOLDERED TO PCB FOR RATED ELECTRICAL AND THERMAL CHARACTERISTICS THERMAL CHARACTERISTICS
orDer inForMaTion http://www.linear.com/product/LTC7801#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC7801EFE#PBF LTC7801EFE#TRPBF LTC7801FE 24-Lead Plastic TSSOP –40°C to 125°C LTC7801IFE#PBF LTC7801IFE#TRPBF LTC7801FE 24-Lead Plastic TSSOP –40°C to 125°C LTC7801HFE#PBF LTC7801HFE#TRPBF LTC7801FE 24-Lead Plastic TSSOP –40°C to 150°C LTC7801EUFD#PBF LTC7801EUFD#TRPBF 7801 24-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC7801IUFD#PBF LTC7801IUFD#TRPBF 7801 24-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC7801HUFD#PBF LTC7801HUFD#TRPBF 7801 24-Lead (4mm × 5mm) 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. 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. 7801f 2 For more information www.linear.com/LTC7801 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts