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LTC3417A-1 Datasheet(PDF) 3 Page - Linear Technology |
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LTC3417A-1 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 20 page  LTC3417A-1 3 3417a1fa The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V unless otherwise specified (Note 2). ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VFB1, VFB2 Feedback Voltage (Note 3) l 0.784 0.8 0.816 V ΔVLINEREG Reference Voltage Line Regulation. %/V is the Percentage Change in VOUT with a Change in VIN VIN = 2.25V to 5V (Note 3) 0.02 0.2 %/V ΔVLOADREG Output Voltage Load Regulation ITH1, ITH2 = 0.36V (Note 3) ITH1, ITH2 = 0.84V (Note 3) 0.02 –0.02 0.2 –0.2 % % gm(EA) Error Amplifier Transconductance ITH1, ITH2(PINLOAD) = ±5μA (Note 3) 1400 μS IS Input DC Supply Current (Note 4) Active Mode VFB1 = VFB2 = 0.75V, VSYNC/MODE = VIN, VRUN1 = VRUN2 = VIN 400 600 μA IS Half Active Mode (VRUN2 = 0V, 1.5A Only) VFB1 = 0.75V, VSYNC/MODE = VIN, VRUN1 = VIN 260 400 μA Half Active Mode (VRUN1 = 0V, 1A Only) VFB2 = 0.75V, VSYNC/MODE = VIN, VRUN2 = VIN 260 400 μA Both Channels in Sleep Mode VFB1 = VFB2 = 1V, VSYNCMODE = VIN, VRUN1 = VRUN2 = VIN 125 250 μA Shutdown VRUN1 = VRUN2 = 0V 0.01 1 μA fOSC Oscillator Frequency VFREQ = VIN VFREQ: RT = 143k VFREQ: Resistor (Note 6) 1.2 0.85 1.5 1 1.8 1.25 4 MHz MHz MHz ILIM1 Peak Switch Current Limit on SW1 (1.5A) 2.1 2.5 A ILIM2 Peak Switch Current Limit on SW2 (1A) 1.4 1.7 A RDS(ON)1 SW1 Top Switch On-Resistance (1.5A) SW1 Bottom Switch On-Resistance VIN1 = 3.6V (Note 5) VIN1 = 3.6V (Note 5) 0.088 0.084 Ω Ω RDS(ON)2 SW2 Top Switch On-Resistance (1A) SW2 Bottom Switch On-Resistance VIN2 = 3.6V (Note 5) VIN2 = 3.6V (Note 5) 0.16 0.15 Ω Ω ISW1(LKG) Switch Leakage Current SW1 (1.5A) VIN1 = 6V, VRUN1 = 0V 0.01 1 μA ISW2(LKG) Switch Leakage Current SW2 (1A) VIN2 = 6V, VRUN2 = 0V 0.01 1 μA VUVLO Undervoltage Lockout Threshold VIN1, VIN2 Ramping Down VIN1, VIN2 Ramping Up 1.9 1.95 2.07 2.12 2.2 2.25 V V VTH(POR) Power-On-Reset Threshold Percentage Deviation of VFB Voltage from Steady State Value (Typically 0.8V) VFB1 or VFB2 Ramping Up –6 % VFB1 or VFB2 Ramping Down –8 % RPOR Power-On-Reset Pull Down On-Resistance 120 300 Ω tPOR Power-On-Reset De-Assertion Delay from Fault Removal FREQ = VIN 212,992 Clock Cycles FREQ Tied to GND Through 143k Resistor 294,912 Clock Cycles VRUN1, VRUN2 RUN1, RUN2 Threshold 0.3 0.85 1.5 V VPHASE PHASE Threshold High-CMOS Levels VIN –0.5 V PHASE Threshold Low-CMOS Levels 0.5 V IRUN1, IRUN2, IPHASE, ISYNC/MODE RUN1, RUN2, PHASE and SYNC/MODE Leakage Current VIN = 6V, Pin Under Test = 3V ±0.01 ±1 μA VTLSYNC/MODE SYNC/MODE Threshold Voltage Low 0.5 V VTHSYNC/MODE SYNC/MODE Threshold Voltage High VIN –0.5 V VTHFREQ FREQ Threshold Voltage High VIN –0.5 V |
Similar Part No. - LTC3417A-1_15 |
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Similar Description - LTC3417A-1_15 |
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