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LTC3730 Datasheet(PDF) 2 Page - Linear Technology |
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LTC3730 Datasheet(HTML) 2 Page - Linear Technology |
2 / 28 page 2 LTC3730 3730fa ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO ELECTRICAL CHARACTERISTICS (Note 1) Topside Driver Voltage (BOOSTN) Range .. 38V to –0.3V Switch Voltage (SWN) Range........................ 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 Range ....................................... 7V to –0.3V PLLIN, RUN/SS, PLLFLTR, FCB Voltages .. VCC to –0.3V ITH Voltage Range ..................................... 2.4V to –0.3V Operating Ambient Temperature Range ....... 0 °C to 70°C Junction Temperature (Notes 2, 7) ....................... 125 °C Storage Temperature Range ..................–65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C ORDER PART NUMBER LTC3730CG 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– AMPOUT 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. The ● 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 0.596 0.600 0.604 V ● 0.594 0.600 0.606 V VSENSEMAX Maximum Current Sense Threshold VEAIN = 0.5V, VITH Open, 65 75 85 mV VSENSE1–, VSENSE2–, VSENSE3– = 0.6V, 1.8V ● 62 75 88 mV IMATCH Maximum Current Threshold 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 ● 0.1 0.5 % Measured in Servo Loop, ∆ITH Voltage = 1.2V to 2V ● –0.1 –0.5 % VREFLNREG Output Voltage Line Regulation VCC = 4.5V to 7V 0.03 %/V gm Transconductance Amplifier gm ITH = 1.2V, Sink/Source 25µA (Note 3) ● 3.6 5 6.6 mmho gmOL Transconductance Amplifier GBW ITH = 1.2V, (gm • ZL, ZL = Series 1k-100kΩ-1nF) 3 MHz VFCB Forced Continuous Threshold ● 0.58 0.60 0.62 V IFCB FCB Bias Current VFCB = 0.65V 0.2 0.7 µA VBINHIBIT Burst Inhibit Threshold Measured at FCB pin VCC – 1.5 VCC – 0.7 VCC – 0.3 V UVR Undervoltage RUN/SS Reset VCC Lowered Until the RUN/SS Pin is Pulled Low 3.2 3.8 4.5 V Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ |
Similar Part No. - LTC3730_15 |
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Similar Description - LTC3730_15 |
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