Datasheet LTC3605A (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 20V, 5A Synchronous Step-Down Regulator |
| 页数 / 页 | 22 / 2 — absoluTe MaxiMuM raTings. pin conFiguraTion. (Note 1). orDer inForMaTion … |
| 文件格式/大小 | PDF / 424 Kb |
| 文件语言 | 英语 |
absoluTe MaxiMuM raTings. pin conFiguraTion. (Note 1). orDer inForMaTion http://www.linear.com/product/LTC3605A#orderinfo
该数据表的模型线
文件文字版本
LTC3605A
absoluTe MaxiMuM raTings pin conFiguraTion (Note 1)
PVIN, SVIN, SW Voltage.. –0.3V to 22V TOP VIEW SW Transient Voltage ..–2V to 24.5V CC IN BOOST Voltage ..–0.3V to PV CLKIN CLKOUT SGND INTV BOOST SV IN + INTVCC 24 23 22 21 20 19 RUN Voltage... –0.3V to 22V RT 1 18 PV V IN ON Voltage ... –0.3V to SVIN PHMODE 2 17 PVIN INTVCC Voltage ... –0.3V to 3.6V MODE 3 16 SW 25 ITH, RT, CLKOUT, PGOOD Voltage ..–0.3V to INTVCC FB 4 PGND 15 SW CLKIN, PHMODE, MODE Voltage ..–0.3V to INTVCC TRACK/SS 5 14 SW TRACK/SS, FB Voltage ..–0.3V to INTV ITH 6 13 SW CC Operating Junction Temperature Range 7 8 9 10 11 12 (Note 2) .. –40°C to 125°C RUN V ON SW SW Storage Temperature Range .. –65°C to 125°C PGOOD PGND UF PACKAGE 24-LEAD (4mm × 4mm) PLASTIC QFN TJMAX = 125°C, θJA = 37°C/W EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB
orDer inForMaTion http://www.linear.com/product/LTC3605A#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3605AEUF#PBF LTC3605AEUF#TRPBF 3605A 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LTC3605AIUF#PBF LTC3605AIUF#TRPBF 3605A 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°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.
e lecTrical characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TJ ≈ TA = 25°C (Note 2). VIN = 12V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SVIN SVIN Supply Range 4 20 V PVIN VIN Power Supply Range 1.2 20 V IQ Input DC Supply Current (Note 3) Active Mode = 0, RT = 162k 1.5 5 mA Shutdown VIN =12V, RUN = 0 11 40 µA VFB Feedback Reference Voltage ITH =1.2V (Note 4) l 0.594 0.600 0.606 V DVFB(LINE) Feedback Voltage Line Regulation VIN = 4V to 20V, ITH = 1.2V l 0.001 0.03 %/V DVFB(LOAD) Feedback Voltage Load Regulation l 0.1 0.3 % IFB Feedback Pin Input Current ±30 nA gm (EA) Error Amplifier Transconductance ITH = 1.2V 1.15 1.35 1.6 mS tON(MIN) Minimum On-Time 40 ns tOFF(MIN) Minimum Off-Time 70 ns 3605afg 2 For more information www.linear.com/LTC3605A Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts
absoluTe MaxiMuM raTings pin conFiguraTion (Note 1)
PVIN, SVIN, SW Voltage.. –0.3V to 22V TOP VIEW SW Transient Voltage ..–2V to 24.5V CC IN BOOST Voltage ..–0.3V to PV CLKIN CLKOUT SGND INTV BOOST SV IN + INTVCC 24 23 22 21 20 19 RUN Voltage... –0.3V to 22V RT 1 18 PV V IN ON Voltage ... –0.3V to SVIN PHMODE 2 17 PVIN INTVCC Voltage ... –0.3V to 3.6V MODE 3 16 SW 25 ITH, RT, CLKOUT, PGOOD Voltage ..–0.3V to INTVCC FB 4 PGND 15 SW CLKIN, PHMODE, MODE Voltage ..–0.3V to INTVCC TRACK/SS 5 14 SW TRACK/SS, FB Voltage ..–0.3V to INTV ITH 6 13 SW CC Operating Junction Temperature Range 7 8 9 10 11 12 (Note 2) .. –40°C to 125°C RUN V ON SW SW Storage Temperature Range .. –65°C to 125°C PGOOD PGND UF PACKAGE 24-LEAD (4mm × 4mm) PLASTIC QFN TJMAX = 125°C, θJA = 37°C/W EXPOSED PAD (PIN 25) IS PGND, MUST BE SOLDERED TO PCB
orDer inForMaTion http://www.linear.com/product/LTC3605A#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3605AEUF#PBF LTC3605AEUF#TRPBF 3605A 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C LTC3605AIUF#PBF LTC3605AIUF#TRPBF 3605A 24-Lead (4mm × 4mm) Plastic QFN –40°C to 125°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.
e lecTrical characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TJ ≈ TA = 25°C (Note 2). VIN = 12V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SVIN SVIN Supply Range 4 20 V PVIN VIN Power Supply Range 1.2 20 V IQ Input DC Supply Current (Note 3) Active Mode = 0, RT = 162k 1.5 5 mA Shutdown VIN =12V, RUN = 0 11 40 µA VFB Feedback Reference Voltage ITH =1.2V (Note 4) l 0.594 0.600 0.606 V DVFB(LINE) Feedback Voltage Line Regulation VIN = 4V to 20V, ITH = 1.2V l 0.001 0.03 %/V DVFB(LOAD) Feedback Voltage Load Regulation l 0.1 0.3 % IFB Feedback Pin Input Current ±30 nA gm (EA) Error Amplifier Transconductance ITH = 1.2V 1.15 1.35 1.6 mS tON(MIN) Minimum On-Time 40 ns tOFF(MIN) Minimum Off-Time 70 ns 3605afg 2 For more information www.linear.com/LTC3605A Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts