Datasheet LTC3865, LTC3865-1 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Dual, 2-Phase Synchronous DC/DC Controller with Pin Selectable Outputs |
| 页数 / 页 | 38 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION |
| 文件格式/大小 | PDF / 415 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION
该数据表的模型线
文件文字版本
LTC3865/LTC3865-1
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) ... –0.3V to 40V ITH1, ITH2 Voltages .. –0.3V to 2.7V Topside Driver Voltages INTVCC DC Output Current (Note 9) ...80mA BOOST1, BOOST2 .. –0.3V to 46V Operating Junction Temperature Range (Notes 2, 3) Switch Voltage (SW1, SW2) ... –5V to 40V LTC3865/LTC3865-1 .. –40°C to 125°C INTVCC, RUN1, RUN2, PGOOD(s), EXTVCC, Storage Temperature Range ... –65°C to 125°C (BOOST1-SW1), (BOOST2-SW2) ... –0.3V to 6V Lead Temperature (Soldering, 10 sec) SENSE1+, SENSE2+, SENSE1–, SENSE2– FE Package ... 300°C VOSENSE1, VOSENSE2 Voltages .. –0.3V to 5.8V MODE/PLLIN, ILIM, TK/SS1, TK/SS2, VID11, VID12, VID21, VID22, FREQ Voltages ... –0.3V to INTVCC
PIN CONFIGURATION
LTC3865 LTC3865 TOP VIEW RUN1 1 38 FREQ SENSE1+ 2 37 VID22 TOP VIEW SENSE– 3 36 MODE/PLLIN – + NC 4 35 SW1 V 5 34 OSENSE1 TG1 SENSE1 SENSE1 RUN1 FREQ VID22 MODE/PLLIN SW1 TG1 TK/SS1 6 33 BOOST1 32 31 30 29 28 27 26 25 V 1 24 I 7 32 PGND1 OSENSE1 BOOST1 TH1 TK/SS1 2 23 BG1 SGND 8 31 BG1 I VID11 9 30 V TH1 3 22 VIN IN 39 VID11 4 VID12 10 29 INTV 33 21 INTVCC CC SGND VID12 5 SGND 20 EXTVCC I 11 28 TH2 EXTVCC ITH2 6 19 BG2 TK/SS2 12 27 BG2 TK/SS2 7 18 PGND V 13 26 OSENSE2 PGND2 V 8 17 OSENSE2 BOOST2 NC 14 25 BOOST2 9 10 11 12 13 14 15 16 SENSE2– 15 24 NC – + I LIM SENSE2+ 16 23 TG2 RUN2 SW2 TG2 VID21 PGOOD RUN2 17 SW2 SENSE2 SENSE2 22 UH PACKAGE VID21 18 21 PGOOD1 32-LEAD (5mm s 5mm) PLASTIC QFN I 19 PGOOD2 T 20 LIM JMAX = 125°C, θJA = 34°C/W, θJC = 3°C/W EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB FE PACKAGE 38-LEAD PLASTIC TSSOP TJMAX = 125°C, θJA = 25°C/W EXPOSED PAD (PIN 39) IS SGND, MUST BE SOLDERED TO PCB 3865fb 2
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) ... –0.3V to 40V ITH1, ITH2 Voltages .. –0.3V to 2.7V Topside Driver Voltages INTVCC DC Output Current (Note 9) ...80mA BOOST1, BOOST2 .. –0.3V to 46V Operating Junction Temperature Range (Notes 2, 3) Switch Voltage (SW1, SW2) ... –5V to 40V LTC3865/LTC3865-1 .. –40°C to 125°C INTVCC, RUN1, RUN2, PGOOD(s), EXTVCC, Storage Temperature Range ... –65°C to 125°C (BOOST1-SW1), (BOOST2-SW2) ... –0.3V to 6V Lead Temperature (Soldering, 10 sec) SENSE1+, SENSE2+, SENSE1–, SENSE2– FE Package ... 300°C VOSENSE1, VOSENSE2 Voltages .. –0.3V to 5.8V MODE/PLLIN, ILIM, TK/SS1, TK/SS2, VID11, VID12, VID21, VID22, FREQ Voltages ... –0.3V to INTVCC
PIN CONFIGURATION
LTC3865 LTC3865 TOP VIEW RUN1 1 38 FREQ SENSE1+ 2 37 VID22 TOP VIEW SENSE– 3 36 MODE/PLLIN – + NC 4 35 SW1 V 5 34 OSENSE1 TG1 SENSE1 SENSE1 RUN1 FREQ VID22 MODE/PLLIN SW1 TG1 TK/SS1 6 33 BOOST1 32 31 30 29 28 27 26 25 V 1 24 I 7 32 PGND1 OSENSE1 BOOST1 TH1 TK/SS1 2 23 BG1 SGND 8 31 BG1 I VID11 9 30 V TH1 3 22 VIN IN 39 VID11 4 VID12 10 29 INTV 33 21 INTVCC CC SGND VID12 5 SGND 20 EXTVCC I 11 28 TH2 EXTVCC ITH2 6 19 BG2 TK/SS2 12 27 BG2 TK/SS2 7 18 PGND V 13 26 OSENSE2 PGND2 V 8 17 OSENSE2 BOOST2 NC 14 25 BOOST2 9 10 11 12 13 14 15 16 SENSE2– 15 24 NC – + I LIM SENSE2+ 16 23 TG2 RUN2 SW2 TG2 VID21 PGOOD RUN2 17 SW2 SENSE2 SENSE2 22 UH PACKAGE VID21 18 21 PGOOD1 32-LEAD (5mm s 5mm) PLASTIC QFN I 19 PGOOD2 T 20 LIM JMAX = 125°C, θJA = 34°C/W, θJC = 3°C/W EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB FE PACKAGE 38-LEAD PLASTIC TSSOP TJMAX = 125°C, θJA = 25°C/W EXPOSED PAD (PIN 39) IS SGND, MUST BE SOLDERED TO PCB 3865fb 2