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LTC3602 Datasheet(PDF) 3 Page - Linear Technology |
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LTC3602 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 28 page  LTC3633A-2/LTC3633A-3 3 3633a23f The l denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at TJ = 25°C (Note 2). PVIN1 = PVIN2 = SVIN = 12V unless otherwise noted. ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS SVIN Supply Range l 3.6 20 V PVIN1 Supply Range PVIN2 Supply Range 3.6V < SVIN < 20V l l 1.5 1.5 20 20 V V Output Voltage Range (Note 4) LTC3633A-2, VON = VOUT LTC3633A-3, VON = VOUT 0.6 1.5 6 12 V V IQ Input DC Supply Current (PVIN1 + PVIN2 + SVIN) Both Channels Active (Note 5) Sleep Current Shutdown MODE = 0V MODE = INTVCC, VFB1, VFB2 > 0.6 RUN1 = RUN2 = 0V 1.3 500 13 mA μA μA VFB Feedback Reference Voltage l 0.594 0.6 0.606 V ΔVLINE_REG Reference Voltage Line Regulation PVIN = 3.6V to 20V 0.002 %/V ΔVLOAD_REG Output Voltage Load Regulation ITH = 0.8V to 1.6V 0.05 % IFB Feedback Pin Input Current ±30 nA gm(EA) Error Amplifier Transconductance ITH = 1.2V 1.8 mS tON Minimum On Time VON = 0.6V, PVIN = 4V 20 ns tOFF Minimum Off Time PVIN = 6V 45 ns fOSC Oscillator Frequency VRT = INTVCC RT = 162k RT = 80.6k 1.4 1.7 3.4 2 2 4 2.6 2.3 4.6 MHz MHz MHz ILIM Valley Switch Current Limit 2.6 3.5 4.5 A RDS(ON) Top Switch On-Resistance Bottom Switch On-Resistance 130 65 mΩ mΩ ISW(LKG) Switch Leakage Current PVIN = 20V, VRUN = 0V 0.01 ±1 μA VVIN-OV VIN Overvoltage Lockout Threshold PVIN Rising PVIN Falling 20.3 22.5 21.5 22.5 V V INTVCC Voltage 3.6V < SVIN < 20V, 0mA Load 3.1 3.3 3.5 V INTVCC Load Regulation 0mA to 50mA Load, SVIN = 4V to 20V 1.3 % RUN Threshold Rising RUN Threshold Falling l l 1.18 0.98 1.22 1.01 1.26 1.04 V V RUN Leakage Current 0±3 μA PGOOD Good-to-Bad Threshold VFB Rising VFB Falling 8 –8 10 –10 % % PGOOD Bad-to-Good Threshold VFB Rising VFB Falling –3 3 –5 5 % % RPGOOD PGOOD Pull-Down Resistance 10mA Load 20 Ω tPGOOD Power Good Filter Time 20 40 μs tSS Internal Soft-Start Time 10% to 90% Rise Time 400 700 μs VFB During Tracking TRACKSS = 0.3V 0.28 0.3 0.315 V ITRACKSS TRACKSS Pull-Up Current 1.4 μA |
Similar Part No. - LTC3602 |
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Similar Description - LTC3602 |
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