Datasheet LTC3828 (Analog Devices) - 2
| Fabricante | Analog Devices |
| Descripción | Dual, 2-Phase Step-Down Controller with Tracking |
| Páginas / Página | 32 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. … |
| Formato / tamaño de archivo | PDF / 388 Kb |
| Idioma del documento | Inglés |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING
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LTC3828
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) .. 30V to –0.3V PGOOD .. 5.5V to –0.3V Top Side Driver Voltages ITH1, ITH2, VOSENSE1, VOSENSE2 Voltages ... 2.7V to –0.3V BOOST1, BOOST2 ... 36V to –0.3V Peak Output Current <10μs (TG1, TG2, BG1, BG2) .. 3A Switch Voltage (SW1, SW2) .. 30V to –5V INTVCC Peak Output Current (Note 8) ... 50mA INTVCC, DRVCC, RUN1, RUN2, (BOOST1-SW1), Operating Temperature Range (Note 7) (BOOST2-SW2) ... 7V to –0.3V LTC3828E .. –40°C to 85°C SENSE1+, SENSE2+, SENSE1–, Junction Temperature (Note 2) .. 125°C SENSE2– Voltages .. (1.1)INTVCC to –0.3V Storage Temperature Range .. –65°C to 125°C FCB/PLLIN, PLLFLTR, CLKOUT, Refl ow Peak Body Temperature (UH Package) ... 260°C PHSMD Voltage .. INTVCC to –0.3V Lead Temperature (Soldering, 10 sec) TRCKSS1, TRCKSS2 ... INTVCC to –0.3V G Package ... 300°C
PIN CONFIGURATION
TOP VIEW – + TOP VIEW 1 28 TRCKSS1 CLKOUT SENSE1 SENSE1 I TH1 TRCKSS1 CLKOUT PGOOD BOOST1 TG1 2 27 I PGOOD TH1 32 31 30 29 28 27 26 25 3 26 SENSE1+ BOOST1 V 1 24 OSENSE1 SW1 4 25 SENSE1– TG1 PLLFLTR 2 23 VIN 5 24 V SW1 OSENSE1 RUN1 3 22 INTVCC 6 23 PLLFLTR VIN PHSMD 4 21 DRVCC 7 22 RUN1 INTVCC 33 FCB/PLLIN 5 20 PGND 8 21 FCB/PLLIN PGND 9 20 SGND 6 19 BG1 SGND BG1 10 19 TRCKSS2 BG2 TRCKSS2 7 18 BG2 11 18 SENSE2– SW2 NC 8 17 SW2 12 17 SENSE2+ TG2 9 10 11 12 13 14 15 16 13 16 I BOOST2 – + TH2 NC 14 15 I TH2 TG2 V RUN2 OSENSE2 RUN2 SENSE2 SENSE2 OSENSE2 BOOST2 V G PACKAGE 28-LEAD PLASTIC SSOP UH PACKAGE 32-LEAD (5mm s 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 95°C/W TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3828EG#PBF LTC3828EG#TRPBF LTC3828EG 28-Lead Plastic SSOP –40°C to 85°C LTC3828EUH#PBF LTC3828EUH#TRPBF 3828 32-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 3828fc 2
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) .. 30V to –0.3V PGOOD .. 5.5V to –0.3V Top Side Driver Voltages ITH1, ITH2, VOSENSE1, VOSENSE2 Voltages ... 2.7V to –0.3V BOOST1, BOOST2 ... 36V to –0.3V Peak Output Current <10μs (TG1, TG2, BG1, BG2) .. 3A Switch Voltage (SW1, SW2) .. 30V to –5V INTVCC Peak Output Current (Note 8) ... 50mA INTVCC, DRVCC, RUN1, RUN2, (BOOST1-SW1), Operating Temperature Range (Note 7) (BOOST2-SW2) ... 7V to –0.3V LTC3828E .. –40°C to 85°C SENSE1+, SENSE2+, SENSE1–, Junction Temperature (Note 2) .. 125°C SENSE2– Voltages .. (1.1)INTVCC to –0.3V Storage Temperature Range .. –65°C to 125°C FCB/PLLIN, PLLFLTR, CLKOUT, Refl ow Peak Body Temperature (UH Package) ... 260°C PHSMD Voltage .. INTVCC to –0.3V Lead Temperature (Soldering, 10 sec) TRCKSS1, TRCKSS2 ... INTVCC to –0.3V G Package ... 300°C
PIN CONFIGURATION
TOP VIEW – + TOP VIEW 1 28 TRCKSS1 CLKOUT SENSE1 SENSE1 I TH1 TRCKSS1 CLKOUT PGOOD BOOST1 TG1 2 27 I PGOOD TH1 32 31 30 29 28 27 26 25 3 26 SENSE1+ BOOST1 V 1 24 OSENSE1 SW1 4 25 SENSE1– TG1 PLLFLTR 2 23 VIN 5 24 V SW1 OSENSE1 RUN1 3 22 INTVCC 6 23 PLLFLTR VIN PHSMD 4 21 DRVCC 7 22 RUN1 INTVCC 33 FCB/PLLIN 5 20 PGND 8 21 FCB/PLLIN PGND 9 20 SGND 6 19 BG1 SGND BG1 10 19 TRCKSS2 BG2 TRCKSS2 7 18 BG2 11 18 SENSE2– SW2 NC 8 17 SW2 12 17 SENSE2+ TG2 9 10 11 12 13 14 15 16 13 16 I BOOST2 – + TH2 NC 14 15 I TH2 TG2 V RUN2 OSENSE2 RUN2 SENSE2 SENSE2 OSENSE2 BOOST2 V G PACKAGE 28-LEAD PLASTIC SSOP UH PACKAGE 32-LEAD (5mm s 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 95°C/W TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3828EG#PBF LTC3828EG#TRPBF LTC3828EG 28-Lead Plastic SSOP –40°C to 85°C LTC3828EUH#PBF LTC3828EUH#TRPBF 3828 32-Lead (5mm × 5mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/ 3828fc 2