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LTC1629I-PG Datasheet(PDF) 2 Page - Linear Technology |
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LTC1629I-PG Datasheet(HTML) 2 Page - Linear Technology |
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2 / 28 page  2 LTC1629/LTC1629-PG ORDER PART NUMBER LTC1629CG LTC1629IG LTC1629CG-PG LTC1629IG-PG ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 TOP VIEW G PACKAGE 28-LEAD PLASTIC SSOP *PGOOD ON LTC1629-PG 28 27 26 25 24 23 22 21 20 19 18 17 16 15 RUN/SS SENSE1+ SENSE1– EAIN PLLFLTR PLLIN PHASMD ITH SGND VDIFFOUT VOS– VOS+ SENSE2– SENSE2+ CLKOUT TG1 SW1 BOOST1 VIN BG1 EXTVCC INTVCC PGND BG2 BOOST2 SW2 TG2 AMPMD* TJMAX = 125°C, θJA = 95°C/W Consult factory for Military grade parts. ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 15V, VRUN/SS = 5V unless otherwise noted. (Note 1) Input Supply Voltage (VIN).........................36V to –0.3V Topside Driver Voltages (BOOST1,2) .........42V to – 0.3V Switch Voltage (SW1, 2) .............................36V to – 5 V SENSE1+, SENSE2 +, SENSE1–, SENSE2 – Voltages ........................ (1.1)INTVCC to –0.3V EAIN, VOS+, VOS–, EXTVCC, INTVCC, RUN/SS, AMPMD, PGOOD Voltages ............7V to – 0.3V Boosted Driver Voltage (BOOST-SW) .......... 7V to – 0.3V PLLFLTR, PLLIN, CLKOUT, PHASMD, VDIFFOUT Voltages ................................ INTVCC to –0.3V ITH Voltage ................................................2.7V to –0.3V Peak Output Current <1 µs(TGL1,2, BG1,2)................ 5A INTVCC RMS Output Current ................................ 50mA Operating Ambient Temperature Range LTC1629C/LTC1629C-PG .......................... 0 °C to 85°C LTC1629I/LTC1629I-PG ....................... – 40 °C to 85°C Junction Temperature (Note 2) ............................. 125 °C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Main Control Loop VEAIN Regulated Feedback Voltage (Note 3); ITH Voltage = 1.2V q 0.792 0.800 0.808 V VSENSEMAX Maximum Current Sense Threshold VSENSE– = 5V q 62 75 88 mV VSENSE1, 2 = 5V; LTC1629 Only 65 75 85 mV IINEAIN Feedback Current (Note 3) – 5 – 50 nA VLOADREG Output Voltage Load Regulation (Note 3) Measured in Servo Loop; ITH Voltage = 0.7V q 0.1 0.5 % Measured in Servo Loop; ITH Voltage = 2V q – 0.1 – 0.5 % VREFLNREG Reference Voltage Line Regulation VIN = 3.6V to 30V (Note 3) 0.002 0.02 %/V VOVL Output Overvoltage Threshold Measured at VEAIN q 0.84 0.86 0.88 V UVLO Undervoltage Lockout VIN Ramping Down 3 3.5 4 V gm Transconductance Amplifier gm ITH = 1.2V; Sink/Source 5µA; (Note 3) 3 mmho gmOL Transconductance Amplifier Gain ITH = 1.2V; (gmxZL; No Ext Load); (Note 3) 1.5 V/mV IQ Input DC Supply Current (Note 4) Normal Mode EXTVCC Tied to VOUT; VOUT = 5V 470 µA Shutdown VRUN/SS = 0V 20 40 µA IRUN/SS Soft-Start Charge Current VRUN/SS = 1.9V – 0.5 – 1.2 µA VRUN/SS RUN/SS Pin ON Threshold VRUN/SS Rising 1.0 1.5 1.9 V VRUN/SSLO RUN/SS Pin Latchoff Arming VRUN/SS Rising from 3V 4.1 4.5 V ISCL RUN/SS Discharge Current Soft Short Condition VEAIN = 0.5V; VRUN/SS = 4.5V 0.5 2 4 µA ISDLDO Shutdown Latch Disable Current VEAIN = 0.5V 1.6 5 µA |
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Similar Description - LTC1629I-PG |
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