Datasheet LTC3839 (Analog Devices) - 2

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