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LT1790BCS6-3 Datasheet(PDF) 5 Page - Linear Technology |
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LT1790BCS6-3 Datasheet(HTML) 5 Page - Linear Technology |
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5 / 24 page  5 LT1790 1790fa PARAMETER CONDITIONS MIN TYP MAX UNITS Output Voltage (Notes 3, 4) LT1790A 2.49875 2.5 2.50125 V –0.05 0.05 % LT1790B 2.4975 2.5 2.5025 V –0.10 0.10 % LT1790AC q 2.4970 2.5 2.5030 V q –0.120 0.120 % LT1790AI q 2.49563 2.5 2.50438 V q –0.175 0.175 % LT1790BC q 2.49313 2.5 2.50688 V q –0.275 0.275 % LT1790BI q 2.48969 2.5 2.51031 V q –0.4125 0.4125 % Output Voltage Temperature Coefficient (Note 5) TMIN ≤ TA ≤ TMAX LT1790A q 5 10 ppm/ °C LT1790B q 12 25 ppm/ °C Line Regulation 3V ≤ VIN ≤ 18V 50 170 ppm/V q 220 ppm/V Load Regulation (Note 6) IOUT Source = 5mA 80 160 ppm/mA q 250 ppm/mA IOUT Sink = 3mA 70 110 ppm/mA q 300 ppm/mA Dropout Voltage (Note 7) VIN – VOUT, ∆VOUT = 0.1% IOUT = 0mA 50 100 mV q 120 mV IOUT Source = 5mA q 450 mV IOUT Sink = 3mA q 250 mV Supply Current No Load 35 60 µA q 80 µA Minimum Operating Current— VOUT = – 2.5V, 0.1% 100 125 µA Negative Output (See Figure 7) Turn-On Time CLOAD = 1µF 700 µs Output Noise (Note 8) 0.1Hz ≤ f ≤ 10Hz 32 µVP-P 10Hz ≤ f ≤ 1kHz 48 µVRMS Long-Term Drift of Output Voltage (Note 9) 50 ppm/ √kHr Hysteresis (Note 10) ∆T = 0°C to 70°C q 40 ppm ∆T = –40°C to 85°C q 100 ppm The q denotes specifications that apply over the specified temperature range, otherwise specifications are at TA = 25°C. CL = 1µF and VIN = 3V, unless otherwise noted. 2.5V ELECTRICAL CHARACTERISTICS |
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