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LTC4214-2 Datasheet(PDF) 3 Page - Linear Technology |
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LTC4214-2 Datasheet(HTML) 3 Page - Linear Technology |
3 / 32 page LTC4214-1/LTC4214-2 3 421412f ISENSE SENSE Pin Input Current VSENSE = 50mV q –15 –30 µA IINP UV, OV Pin Input Current UV = OV = 2.5V q ±0.1 ±1 µA VTMRH TIMER Pin Voltage High Threshold 3V VTMRL TIMER Pin Voltage Low Threshold 1.7 V ITMR TIMER Pin Current Timer On (Initial Cycle/Latchoff/ –5 µA Shutdown Cooling, Sourcing), VTMR = 2.2V Timer Off (Initial Cycle, Sinking), VTMR = 2.2V 28 mA Timer On (Circuit Breaker, Sourcing, –40 µA IDRN = 0µA), VTMR = 2.2V Timer On (Circuit Breaker, Sourcing, –200 µA IDRN = 20µA), VTMR = 2.2V Timer Off (Circuit Breaker/ 5 µA Shutdown Cooling, Sinking), VTMR = 2.2V ∆ITMRACC [(ITMR at IDRN = 20µA) – (ITMR at IDRN = 0µA)] Timer On (Circuit Breaker with IDRN = 20µA) 8 µA/µA ∆IDRN 20 µA VDRNL DRAIN Pin Voltage Low Threshold For PWRGD Status q 1.109 1.232 1.355 V IDRNL DRAIN Leakage Current VDRAIN = 2.5V ±0.1 ±1 µA VDRNCL DRAIN Pin Clamp Voltage IDRN = 20µA 3.5 4.2 5 V VPGL PWRGD Output Low Voltage IPG = 1.6mA q 0.2 0.4 V IPG = 5mA q 1.1 V IPGH PWRGD Pull-Up Current VPWRGD = 0V (Sourcing) q –30 –50 –70 µA tSS SS Default Ramp Period SS Pin Floating, VSS Ramps from 0.2V to 1.4V 130 µs tPLLUG UV Low to Gate Low 0.4 µs tPHLOG OV High to Gate Low 0.4 µs ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, UV = OV = 2.5V unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to VEE unless otherwise specified. TYPICAL PERFOR A CE CHARACTERISTICS TEMPERATURE ( °C) 800 900 1000 4214 G01 700 600 400 500 1200 1100 –55 105 –15 25 65 –35 125 545 85 VIN = 12V VIN (V) 0.8 1.0 1.2 4214 G02 0.6 0.4 0 0.2 1.6 1.4 018 16 48 12 220 610 14 TA = –40°C TA = 25°C TA = 85°C TA = 125°C TEMPERATURE ( °C) –55 6 5.8 5.6 5.4 5.2 5 4.8 4.6 4.4 4.2 4 –15 25 45 125 4214 G03 –35 5 65 85 105 IIN vs Temperature IIN vs VIN Undervoltage Lockout VLKO vs Temperature All voltages are referenced to VEE Unless otherwise specified. |
Similar Part No. - LTC4214-2_15 |
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Similar Description - LTC4214-2_15 |
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