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LTC3732CG Datasheet(PDF) 2 Page - Linear Technology |
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LTC3732CG Datasheet(HTML) 2 Page - Linear Technology |
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2 / 28 page  2 LTC3732 3732f ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO ELECTRICAL CHARACTERISTICS Topside Driver Voltages (BOOSTN) ............ 38V to –0.3V Switch Voltage (SWN)................................... 32V to –5V Boosted Driver Voltage (BOOSTN – SWN) .... 7V to –0.3V Peak Output Current <1ms (TGN, BGN) ..................... 5A Supply Voltage (VCC), PGOOD Pin Voltage .................................................. 7V to –0.3V RUN/SS, PLLFLTR, PLLIN, FCB Voltages .. VCC to –0.3V ITH Voltage ................................................ 2.4V to –0.3V The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = VRUN/SS = 5V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Main Control Loop VREGULATED Regulated Voltage at IN+ (Note 3); VID Code = 11111, VITH = 1.2V 1.067 1.075 1.083 V q 1.064 1.075 1.086 V VSENSEMAX Maximum Current Sense Threshold VEAIN = 0.5V, VITH Open, 65 75 85 mV VSENSE1–, VSENSE2–, VSENSE3– = 0.6V, 1.8V q 62 75 88 mV IMATCH Current Match Worst-Case Error at VSENSE MAX –5 5 % VLOADREG Output Voltage Load Regulation (Note 3) Measured in Servo Loop, ∆ITH Voltage = 1.2V to 0.7V q 0.1 0.5 % Measured in Servo Loop, ∆ITH Voltage = 1.2V to 2V q –0.1 –0.5 % VREFLNREG Output Voltage Line Regulation VCC = 4.5V to 7V 0.03 %/V Operating Ambient Temperature Range ....... 0 °C to 70°C Junction Temperature (Notes 2, 3, 7) ................... 125 °C Storage Temperature Range ..................–65 °C to 150°C Lead Temperature (Soldering, 10 sec) SSOP Package .................................................. 300 °C Reflow Peak Body Temperature QFN Package .................................................... 240 °C (Note 1) ORDER PART NUMBER LTC3732CG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TOP VIEW G PACKAGE 36-LEAD PLASTIC SSOP 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 VID1 PLLIN PLLFLTR FCB IN+ IN– DIFFOUT EAIN SGND SENSE1+ SENSE1– SENSE2+ SENSE2– SENSE3– SENSE3+ RUN/SS ITH VID2 VID0 PGOOD BOOST1 TG1 SW1 BOOST2 TG2 SW2 VCC BG1 PGND BG2 BG3 SW3 TG3 BOOST3 VID4 VID3 TJMAX = 125°C, θJA = 95°C/W Consult LTC Marketing for parts specified with wider operating temperature ranges. ORDER PART NUMBER LTC3732CUHF 13 14 15 16 TOP VIEW UHF PACKAGE 38-LEAD (7mm × 5mm) PLASTIC QFN PADDLE IS SGND (MUST BE CONNECTED TO PCB AND SGND PIN) 17 18 19 38 37 36 35 34 33 32 24 25 26 27 28 29 30 31 8 7 6 5 4 3 2 1 IN+ IN– DIFFOUT EAIN PADDLE SGND SENSE1+ SENSE1– SENSE2+ SENSE2– SENSE3– SENSE3+ TG1 SW1 BOOST2 TG2 SW2 VCC DRVCC BG1 PGND BG2 BG3 SW3 23 22 21 20 9 10 11 12 UNDERSIDE PADDLE IS SGND TJMAX = 125°C, θJA = 34°C/W |
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