LT8490 elecTrical characTerisTics Note 1: Stresses beyond those listed under Absolute Maximum Ratings Note 5: Negative voltages on the SW1 and SW2 pins are limited in the may cause permanent damage to the device. Exposure to any Absolute applications by the body diodes of the external NMOS devices M2 and Maximum Rating condition for extended periods may affect device M3 or parallel Schottky diodes when present. The SW1 and SW2 pins reliability and lifetime. are tolerant of these negative voltages in excess of one diode drop below Note 2: Do not force voltage on the V ground, guaranteed by design. C pin. Note 3: The LT8490E is guaranteed to meet performance specifications from Note 6: These thresholds are measured by the internal A-D converter. The 0°C to 125°C junction temperature. Specifications over the –40°C to 125°C A-D reference voltage is AVDD. AVDD, VDD and an additional 2.8mA load are operating junction temperature range are assured by design, characterization regulated by LDO33 to create the AVDD reference for these measurements. and correlation with statistical process controls. The LT8490I is guaranteed The absolute threshold voltages will shift with corresponding changes in over the full –40°C to 125°C junction temperature range. the AVDD voltage. Note 4: Do not apply a voltage or current source to these pins. They must Note 7: 10V minimum VIN required for solar powered start-up if low power be connected to capacitive loads only, otherwise permanent damage may mode is enabled. occur. 8490fa For more information www.linear.com/LT8490 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
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