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RT8498 Datasheet(PDF) 3 Page - Richtek Technology Corporation |
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RT8498 Datasheet(HTML) 3 Page - Richtek Technology Corporation |
3 / 12 page RT8498 3 DS8498-01 April 2017 www.richtek.com © Copyright 2017 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Electrical Characteristics Recommended Operating Conditions (Note 4) Supply Input Voltage, VCC ----------------------------------------------------------------------------------------------- 3V to 18V Junction Temperature Range --------------------------------------------------------------------------------------------- −40°C to 125°C Ambient Temperature Range --------------------------------------------------------------------------------------------- −40°C to 85°C Absolute Maximum Ratings (Note 1) Supply Input Voltage, VCC ----------------------------------------------------------------------------------------------- −0.3V to 21V SW Pin Voltage at Switching Off, ISN --------------------------------------------------------------------------------- −0.3V to 21V DCTL, ACTL Pin Voltage -------------------------------------------------------------------------------------------------- −0.3V to 21V Power Dissipation, PD @ TA = 25 °C SOT-23-6 --------------------------------------------------------------------------------------------------------------------- 0.48W Package Thermal Resistance (Note 2) SOT-23-6, θJA ---------------------------------------------------------------------------------------------------------------- 208.2°C/W Junction Temperature ------------------------------------------------------------------------------------------------------ 150 °C Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------------------- 260 °C Storage Temperature Range --------------------------------------------------------------------------------------------- −65°C to 150°C ESD Susceptibility (Note 3) HBM (Human Body Model) ----------------------------------------------------------------------------------------------- 2kV (VCC = 12V, No Load on any Output, TA = 25 °C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Overall Supply Current IVCC -- -- 3 mA VIN Under Voltage Lockout Threshold VUVLO VIN rising 2.1 2.55 3 V VIN falling 1.8 2.2 2.6 Shutdown Current ISHDN VDCTL < 0.1V -- -- 10 A Enable Voltage Logic-High VDCTL_H 0.65 -- -- V Logic-Low VDCTL_L -- -- 0.2 Current Sense Amplifier Input Threshold (VVCC VISN) VACTL 1.25V 96 100 104 mV Input Current IISN VISN = 12V -- 20 -- A LED Dimming Analog Dimming ACTL Pin Input Current IACTL 0.65 VACTL 3V 2 -- -- A LED Maximum Current on Threshold at ACTL VACTL_ON (VVCC VISN) = 100mV -- 1.33 1.4 V LED Current Off Threshold at ACTL VACTL_OFF 0.57 0.65 0.72 V DCTL Input Current IDCTL 0.3V VDCTL 5V -- 0.5 -- A |
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