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LTC3622-23 Datasheet(PDF) 3 Page - Linear Technology |
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LTC3622-23 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 24 page  LTC3622/ LTC3622-2/LTC3622-23/5 3 3622fa For more information www.linear.com/LTC3622 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN1, VIN2 Operating Voltage 2.7 17 V SVIN Operating Voltage MSOP Package 2.7 17 V VOUT Operating Voltage 0.6 VIN V IQ Input Quiescent Current Active Mode, VRUN1 = VRUN2 = 2V (Note 4) Burst Mode Operation, VRUN1 = VRUN2 = 2V, MODE/SYNC = 3V, No Load Shutdown Mode; VRUN1 = VRUN2 = 0V 3 5 0.1 10 ±1 mA µA µA VFB Regulated Feedback Voltage LTC3622/LTC3622-2 l 0.594 0.591 0.6 0.6 0.606 0.609 V IFB FB Input Current LTC3622/LTC3622-2 10 nA VOUT1 Regulated Fixed Output Voltage (Channel 1) LTC3622-23/5 l 4.950 4.925 5.0 5.0 5.050 5.075 V V VOUT2 Regulated Fixed Output Voltage (Channel 2) LTC3622-23/5 l 3.267 3.250 3.3 3.3 3.333 3.350 V V IFB(VOUT) Feedback Input Leakage Current LTC3622-23/5 1 5 µA Reference Voltage Line Regulation VIN = 2.7V to 17V (Note 5) 0.01 0.015 %/V Output Voltage Load Regulation (Note 5) 0.1 % NMOS Switch Leakage PMOS Switch Leakage 0.1 0.1 1 1 µA µA RDS(ON) NMOS On-Resistance PMOS On-Resistance VIN = 5V 0.15 0.37 Ω Ω Maximum Duty Cycle VFB = 0V l 100 % tON(MIN) Minimum On-Time VFB = 0.7V, VIN1 = VIN2 = 5 75 ns VRUN RUN Input High RUN Input Low 0.35 1.0 V V RUN Input Current VRUN = 12V 0.1 ±20 nA VMODE Pulse-Skipping Mode Burst Mode Operation VINTVCC–0.4 0.15 V V PHASE Input Threshold Input Low Input High 2.0 0.4 V V ILIM Input Threshold Input Low Input High VINTVCC–0.1 0.1 INTVCC V V tSS Soft Start Time 0.5 ms ILIM Peak Current Limit VIN > 5V VILIM = 0.1V (Both Channels) VILIM = INTVCC – 0.1V (Both Channels) VILIM = Floating, Channel 1 VILIM = Floating, Channel 2 1.6 0.8 1.6 0.8 1.8 1.0 1.8 1.0 2.0 1.2 2.0 1.2 A A A A VINTVCC Undervoltage Lockout VIN Ramping Up 2.3 2.5 2.65 V VINTVCC Undervoltage Lockout Hysteresis 160 mV VIN Overvoltage Lockout Rising l 18 19 20 V VIN Overvoltage Lockout Hysteresis 300 mV elecTrical characTerisTics The l denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C. VIN1 = VIN2 = 12V, unless otherwise noted. (Notes 3, 6) |
Similar Part No. - LTC3622-23_15 |
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Similar Description - LTC3622-23_15 |
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