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LTC3826_15 Datasheet, PDF (2/36 Pages) Linear Technology – 30A IQ, Dual, 2-Phase Synchronous Step-Down Controller
LTC3826
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supply Voltage (VIN) ......................... 36V to –0.3V
Top Side Driver Voltages
(BOOST1, BOOST2) ............................... 42V to –0.3V
Switch Voltage (SW1, SW2) ......................... 36V to –5V
(BOOST1-SW1), (BOOST2-SW2) ............. 8.5V to –0.3V
RUN1, RUN2 ............................................... 7V to –0.3V
SENSE1+, SENSE2+, SENSE1–,
SENSE2– Voltages ................................ 11V to –0.3V
PLLIN/MODE, PLLLPF, Voltages ........... INTVCC to –0.3V
PHASMD, FOLDDIS, TRACK/SS1, TRACK/SS2
Voltages ........................................... INTVCC to –0.3V
EXTVCC ...................................................... 10V to –0.3V
ITH1, ITH2, VFB1, VFB2 Voltages ................. 2.7V to –0.3V
PGOOD1, PGOOD2 Voltages ..................... 8.5V to –0.3V
Peak Output Current <10μs (TG1, TG2, BG1, BG2).....3A
Operating Temperature Range (Note 2).... –40°C to 85°C
Junction Temperature (Note 3) ............................. 125°C
Storage Temperature Range .................. –65°C to 125°C
PIN CONFIGURATION
TOP VIEW
32 31 30 29 28 27 26 25
SENSE1– 1
24 BOOST1
PLLLPF 2
23 BG1
PHASMD 3
CLKOUT 4
PLLIN/MODE 5
SGND 6
RUN1 7
22 VIN
21 PGND
33
20 EXTVCC
19 INTVCC
18 BG2
RUN2 8
17 BOOST2
9 10 11 12 13 14 15 16
UH PACKAGE 32-LEAD (5mm s 5mm) PLASTIC QFN
TJMAX = 125°C, QJA = 34°C/W
EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3826EUH#PBF
LTC3826EUH#TRPBF 3826
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 85°C
LTC3826IUH#PBF
LTC3826IUH#TRPBF
3826
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 85°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3826EUH
LTC3826EUH#TR
3826
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 85°C
LTC3826IUH
LTC3826IUH#TR
3826
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 85°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/
3826fc
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