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LT1460JCS3-2.5 Datasheet(PDF) 4 Page - Linear Technology |
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LT1460JCS3-2.5 Datasheet(HTML) 4 Page - Linear Technology |
4 / 12 page 4 LT1460S3 (SOT-23) TYPICAL PERFORMANCE CHARACTERISTICS 2.5V Minimum Input-Output Voltage Differential 2.5V Load Regulation, Sourcing 2.5V Load Regulation, Sinking ELECTRICAL CHARACTERISTICS 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: Thermal regulation is caused by die temperature gradients created by load current or input voltage changes. This effect must be added to normal line or load regulation. This parameter is not 100% tested. Note 8: Excludes load regulation errors. Note 9: Peak-to-peak noise is measured with a single pole highpass filter at 0.1Hz and 2-pole lowpass filter at 10Hz. The unit is enclosed in a still-air environment to eliminate thermocouple effects on the leads. The test time is 10 sec. RMS noise is measured with a single pole highpass filter at 10Hz and a 2-pole lowpass filter at 1kHz. The resulting output is full wave rectified and then integrated for a fixed period, making the final reading an average as opposed to RMS. A correction factor of 1.1 is used to convert from average to RMS and a second correction of 0.88 is used to correct for the nonideal bandpass of the filters. Note 10: Long-term stability typically has a logarithmic characteristic and therefore, changes after 1000 hours tend to be much smaller than before that time. Total drift in the second thousand hours is normally less than one third that of the first thousand hours with a continuing trend toward reduced drift with time. Long-term stability will also be affected by differential stresses between the IC and the board material created during board assembly. Note 11: Hysteresis in output voltage is created by package stress that differs depending on whether the IC was previously at a higher or lower temperature. Output voltage is always measured at 25 °C, but the IC is cycled to 70 °C or 0°C before successive measurements. Hysteresis is roughly proportional to the square of the temperature change. Hysteresis is not normally a problem for operational temperature excursions where the instrument might be stored at high or low temperature. See Applications Information. Characteristic curves are similar for most LT1460S3s. Curves from the LT1460S3-2.5 and the LT1460-10 represent the extremes of the voltage options. Characteristic curves for other output voltages fall between these curves, and can be estimated based on their voltage output. INPUT-OUTPUT VOLTAGE (V) 0 0.1 10 125 °C 25 °C 100 0.5 1.0 1.5 2.0 2.5 1460S3 G01 1 –55 °C OUTPUT CURRENT (mA) 0.1 – 2.0 – 1.0 0 1 10 100 1460s3 G02 – 3.0 – 2.5 – 1.5 – 0.5 – 3.5 – 4.0 –55 °C 25 °C 125 °C OUTPUT CURRENT (mA) 0 0 20 40 60 80 100 120 123 4 –55 °C 1460S3 G03 5 125 °C 25 °C |
Similar Part No. - LT1460JCS3-2.5 |
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Similar Description - LT1460JCS3-2.5 |
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