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LT1790ACS6-2.048-PBF Datasheet(PDF) 10 Page - Linear Technology |
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LT1790ACS6-2.048-PBF Datasheet(HTML) 10 Page - Linear Technology |
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10 / 26 page  LT1790 10 1790fb 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 = 5.5V, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Output Voltage (Notes 3, 4) LT1790A 4.9975 –0.05 5 5.0025 0.05 V % LT1790B 4.995 –0.10 5 5.005 0.10 V % LT1790AC l l 4.99400 –0.120 5 5.00600 0.120 V % LT1790AI l l 4.99125 –0.175 5 5.00875 0.175 V % LT1790BC l l 4.98625 –0.275 5 5.01375 0.275 V % LT1790BI l l 4.97938 –0.4125 5 5.02063 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 5.5V ≤ 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 = – 5V, 0.1% 100 125 μA Turn-On Time CLOAD = 1μF 700 μs Output Noise (Note 8) 0.1Hz ≤ f ≤ 10Hz 10Hz ≤ f ≤ 1kHz 80 118 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 Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LT1790 is guaranteed functional over the operating temperature range of – 40°C to 125°C. The LT1790-1.25 at 125°C is typically less than 2% above the nominal voltage. The other voltage options are typically less than 0.25% above their nominal voltage. Note 3: If the part is stored outside of the specified temperature range, the output voltage may shift due to hysteresis. Note 4: ESD (Electrostatic Discharge) sensitive device. Extensive use of ESD protection devices are used internal to the LT1790, however, high electrostatic discharge can damage or degrade the device. Use proper ESD handling precautions. Note 5: Temperature coefficient is measured by dividing the change in output voltage by the specified temperature range. Incremental slope is also measured at 25°C. Note 6: Load regulation is measured on a pulse basis from no load to the specified load current. Output changes due to die temperature change must be taken into account separately. Note 7: Excludes load regulation errors. |
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