Datasheet LTC3708 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Fast 2-Phase, No RSENSE Buck Controller with Output Tracking |
| 页数 / 页 | 34 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| 文件格式/大小 | PDF / 667 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION http://www.linear.com/product/LTC3708#orderinfo
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LTC3708
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (V TOP VIEW CC, DRVCC) ... 7V to –0.3V + Boosted Topside Driver Supply Voltage BOOST1, 2 .. 42V to –0.3V V RNG1 FCB PGOOD I ON1 BOOST1 TG1 SW1 SENSE1 32 31 30 29 28 27 26 25 Switch Voltage (SW1, 2) .. 36V to –5V RUN/SS 1 24 SENSE1– SENSE1+, SENSE2+ Voltages .. 36V to –5V ITH1 2 23 PGND1 SENSE1–, SENSE2– Voltages .. 10V to –0.3V VFB1 3 22 BG1 ION1, ION2 Voltages .. 21V to –0.3V TRACK1 4 21 DRVCC 33 (BOOST – SW) Voltages .. 7V to –0.3V SGND 5 20 BG2 RUN/SS, PGOOD Voltages .. 7V to –0.3V TRACK2 6 19 PGND2 PGOOD DC Current ... 5mA VFB2 7 18 SENSE2– ITH2 8 17 VCC TRACK1, TRACK2 Voltages ..VCC + 0.3V to –0.3V 9 10 11 12 13 14 15 16 VRNG1, VRNG2 Voltages.. VCC + 0.3V to –0.3V + I TG2 TH1, ITH2 Voltages ... 2.7V to –0.3V SW2 EXTLPF INTLPF V RNG2 I ON2 BOOST2 V SENSE2 FB1, VFB2 Voltages .. 2.7V to –0.3V UH PACKAGE INTLPF, EXTLPF Voltages .. 2.7V to –0.3V 32-LEAD (5mm × 5mm) PLASTIC QFN FCB Voltages ... 7V to –0.3V TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB Operating Temperature Range (Note 5) ...–40°C to 85°C Junction Temperature (Note 2) ... 125°C Storage Temperature Range .. –65°C to 125°C Reflow Peak Body Temperature ... 260°C
ORDER INFORMATION http://www.linear.com/product/LTC3708#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3708EUH#PBF LTC3708EUH#TRPBF 3708 32-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3708EUH LTC3708EUH#TR 3708 32-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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. 3708fc 2 For more information www.linear.com/LTC3708 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Package Description Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (V TOP VIEW CC, DRVCC) ... 7V to –0.3V + Boosted Topside Driver Supply Voltage BOOST1, 2 .. 42V to –0.3V V RNG1 FCB PGOOD I ON1 BOOST1 TG1 SW1 SENSE1 32 31 30 29 28 27 26 25 Switch Voltage (SW1, 2) .. 36V to –5V RUN/SS 1 24 SENSE1– SENSE1+, SENSE2+ Voltages .. 36V to –5V ITH1 2 23 PGND1 SENSE1–, SENSE2– Voltages .. 10V to –0.3V VFB1 3 22 BG1 ION1, ION2 Voltages .. 21V to –0.3V TRACK1 4 21 DRVCC 33 (BOOST – SW) Voltages .. 7V to –0.3V SGND 5 20 BG2 RUN/SS, PGOOD Voltages .. 7V to –0.3V TRACK2 6 19 PGND2 PGOOD DC Current ... 5mA VFB2 7 18 SENSE2– ITH2 8 17 VCC TRACK1, TRACK2 Voltages ..VCC + 0.3V to –0.3V 9 10 11 12 13 14 15 16 VRNG1, VRNG2 Voltages.. VCC + 0.3V to –0.3V + I TG2 TH1, ITH2 Voltages ... 2.7V to –0.3V SW2 EXTLPF INTLPF V RNG2 I ON2 BOOST2 V SENSE2 FB1, VFB2 Voltages .. 2.7V to –0.3V UH PACKAGE INTLPF, EXTLPF Voltages .. 2.7V to –0.3V 32-LEAD (5mm × 5mm) PLASTIC QFN FCB Voltages ... 7V to –0.3V TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB Operating Temperature Range (Note 5) ...–40°C to 85°C Junction Temperature (Note 2) ... 125°C Storage Temperature Range .. –65°C to 125°C Reflow Peak Body Temperature ... 260°C
ORDER INFORMATION http://www.linear.com/product/LTC3708#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3708EUH#PBF LTC3708EUH#TRPBF 3708 32-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3708EUH LTC3708EUH#TR 3708 32-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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. 3708fc 2 For more information www.linear.com/LTC3708 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Package Description Typical Application Related Parts