Datasheet LTC3839 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | Fast, Accurate, 2-Phase, Single-Output Step-Down DC/DC Controller with Differential Output Sensing |
| Pages / Page | 50 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| File Format / Size | PDF / 944 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. (http://www.linear.com/product/LTC3839#orderinfo)
Model Line for this Datasheet
Text Version of Document
LTC3839
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN Voltage ... –0.3V to 40V BOOST1, BOOST2 Voltages ... –0.3V to 46V + – SW1, SW2 Voltages .. –5V to 40V V RNG SENSE2 SENSE2 SGND RUN BOOST2 TG2 SW2 INTV 32 31 30 29 28 27 26 25 CC, DRVCC1, DRVCC2, EXTVCC, PGOOD, RUN, (BOOST1-SW1), (BOOST2-SW2), MODE/PLLIN PHASMD 1 24 BG2 Voltages ... –0.3V to 6V MODE/PLLIN 2 23 DRVCC2 CLKOUT 3 22 EXTV V + – CC OUTSENSE , VOUTSENSE , SENSE1+, SENSE2+, SGND 4 33 21 INTVCC SENSE1–, SENSE2– Voltages ... –0.6V to 6V RT 5 PGND 20 PGND TRACK/SS Voltage ... –0.3V to 5V ITH 6 19 VIN DTR, PHASMD, RT, VRNG, TRACK/SS 7 18 DRVCC1 ITH Voltages ... –0.3V to (INTV V + OUTSENSE 8 17 BG1 CC + 0.3V) Operating Junction Temperature Range 9 10 11 12 13 14 15 16 – + – (Notes 2, 3, 4) .. –40°C to 125°C DTR TG1 SW1 Storage Temperature Range .. –65°C to 150°C PGOOD SENSE1 SENSE1 BOOST1 V OUTSENSE UH PACKAGE 32-LEAD (5mm × 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 44°C/W EXPOSED PAD (PIN 33) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION (http://www.linear.com/product/LTC3839#orderinfo) LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3839EUH#PBF LTC3839EUH#TRPBF 3839 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LTC3839IUH#PBF LTC3839IUH#TRPBF 3839 32-Lead (5mm × 5mm) 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.
Comparison of LTC3839 and LTC3838 Options PART NUMBER DESCRIPTION
LTC3839 Single Output, ±0.67% Differential Output Regulation, Continuous 30mV to 100mV Current Sense Range Control LTC3838 Dual or Single Output, ±0.67% Differential Output Regulation on Channel 1, ±1% Output Regulation on Channel 2, Separate-Per-Channel Continuous 30mV to 100mV Current Sense Range Controls LTC3838-1 Dual or Single Output, ±0.67% and ±0.75% Output Regulation on Channel 1 and 2, Both Channels Differential, Single-Pin 30mV/60mV Current Sense Range Control, Improved Current Limit Accuracy than LTC3838 and LTC3839 LTC3838-2 Dual Output (Internal Reference on Channel 1, External Reference on Channel 2) or Single Output (External Reference), ±0.67% Differential Output Regulation with Internal Reference on Channel 1, 0.6V ≤ VOUT ≤ 5.5V ±4mV Differential Output Regulation with External Reference Voltage on Channel 2, 0.4V ≤ VOUT2 ≤ 5.5V, Fixed 30mV Current Sense Range, Improved Current Limit Accuracy than LTC3838 and LTC3839 3839fa 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Functional Diagram Operation Typical Applications Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW IN Voltage ... –0.3V to 40V BOOST1, BOOST2 Voltages ... –0.3V to 46V + – SW1, SW2 Voltages .. –5V to 40V V RNG SENSE2 SENSE2 SGND RUN BOOST2 TG2 SW2 INTV 32 31 30 29 28 27 26 25 CC, DRVCC1, DRVCC2, EXTVCC, PGOOD, RUN, (BOOST1-SW1), (BOOST2-SW2), MODE/PLLIN PHASMD 1 24 BG2 Voltages ... –0.3V to 6V MODE/PLLIN 2 23 DRVCC2 CLKOUT 3 22 EXTV V + – CC OUTSENSE , VOUTSENSE , SENSE1+, SENSE2+, SGND 4 33 21 INTVCC SENSE1–, SENSE2– Voltages ... –0.6V to 6V RT 5 PGND 20 PGND TRACK/SS Voltage ... –0.3V to 5V ITH 6 19 VIN DTR, PHASMD, RT, VRNG, TRACK/SS 7 18 DRVCC1 ITH Voltages ... –0.3V to (INTV V + OUTSENSE 8 17 BG1 CC + 0.3V) Operating Junction Temperature Range 9 10 11 12 13 14 15 16 – + – (Notes 2, 3, 4) .. –40°C to 125°C DTR TG1 SW1 Storage Temperature Range .. –65°C to 150°C PGOOD SENSE1 SENSE1 BOOST1 V OUTSENSE UH PACKAGE 32-LEAD (5mm × 5mm) PLASTIC QFN TJMAX = 125°C, θJA = 44°C/W EXPOSED PAD (PIN 33) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION (http://www.linear.com/product/LTC3839#orderinfo) LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3839EUH#PBF LTC3839EUH#TRPBF 3839 32-Lead (5mm × 5mm) Plastic QFN –40°C to 125°C LTC3839IUH#PBF LTC3839IUH#TRPBF 3839 32-Lead (5mm × 5mm) 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.
Comparison of LTC3839 and LTC3838 Options PART NUMBER DESCRIPTION
LTC3839 Single Output, ±0.67% Differential Output Regulation, Continuous 30mV to 100mV Current Sense Range Control LTC3838 Dual or Single Output, ±0.67% Differential Output Regulation on Channel 1, ±1% Output Regulation on Channel 2, Separate-Per-Channel Continuous 30mV to 100mV Current Sense Range Controls LTC3838-1 Dual or Single Output, ±0.67% and ±0.75% Output Regulation on Channel 1 and 2, Both Channels Differential, Single-Pin 30mV/60mV Current Sense Range Control, Improved Current Limit Accuracy than LTC3838 and LTC3839 LTC3838-2 Dual Output (Internal Reference on Channel 1, External Reference on Channel 2) or Single Output (External Reference), ±0.67% Differential Output Regulation with Internal Reference on Channel 1, 0.6V ≤ VOUT ≤ 5.5V ±4mV Differential Output Regulation with External Reference Voltage on Channel 2, 0.4V ≤ VOUT2 ≤ 5.5V, Fixed 30mV Current Sense Range, Improved Current Limit Accuracy than LTC3838 and LTC3839 3839fa 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Functional Diagram Operation Typical Applications Typical Application Related Parts
