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LT1790BIS6-3-PBF Datasheet(PDF) 6 Page - Linear Technology |
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LT1790BIS6-3-PBF Datasheet(HTML) 6 Page - Linear Technology |
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6 / 26 page  LT1790 6 1790fb 2.5V ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified temperature range, otherwise specifications are at TA = 25°C. CL = 1μF and VIN = 3V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Output Voltage (Notes 3, 4) LT1790A 2.49875 –0.05 2.5 2.50125 0.05 V % LT1790B 2.4975 –0.1 2.5 2.5025 0.1 V % LT1790AC l l 2.4970 –0.12 2.5 2.5030 0.12 V % LT1790AI l l 2.49563 –0.175 2.5 2.50438 0.175 V % LT1790BC l l 2.49313 –0.275 2.5 2.50688 0.275 V % LT1790BI l l 2.48969 –0.4125 2.5 2.51031 0.4125 V % Output Voltage Temperature Coefficient (Note 5) TMIN ≤ TA ≤ TMAX LT1790A LT1790B l l 5 12 10 25 ppm/°C ppm/°C Line Regulation 3V ≤ VIN ≤ 18V l 50 170 220 ppm/V ppm/V Load Regulation (Note 6) IOUT Source = 5mA l 80 160 250 ppm/mA ppm/mA IOUT Sink = 3mA l 70 110 300 ppm/mA ppm/mA Dropout Voltage (Note 7) VIN – VOUT, ΔVOUT = 0.1% IOUT = 0mA IOUT Source = 5mA IOUT Sink = 3mA l l l 50 100 120 450 250 mV mV mV mV Supply Current No Load l 35 60 80 μA μA Minimum Operating Current— Negative Output (See Figure 7) VOUT = – 2.5V, 0.1% 100 125 μA Turn-On Time CLOAD = 1μF 700 μs Output Noise (Note 8) 0.1Hz ≤ f ≤ 10Hz 10Hz ≤ f ≤ 1kHz 32 48 μVP-P μVRMS Long-Term Drift of Output Voltage (Note 9) 50 ppm/√kHr Hysteresis (Note 10) ΔT = 0°C to 70°C ΔT = –40°C to 85°C l l 25 40 ppm ppm PARAMETER CONDITIONS MIN TYP MAX UNITS Output Noise (Note 8) 0.1Hz ≤ f ≤ 10Hz 10Hz ≤ f ≤ 1kHz 22 41 μVP-P μVRMS Long-Term Drift of Output Voltage (Note 9) 50 ppm/√kHr Hysteresis (Note 10) ΔT = 0°C to 70°C ΔT = –40°C to 85°C l l 25 40 ppm ppm 2.048V ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified temperature range, otherwise specifications are at TA = 25°C. CL = 1μF and VIN = 2.8V, unless otherwise noted. |
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