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RT8206M Datasheet(PDF) 11 Page - Richtek Technology Corporation |
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RT8206M Datasheet(HTML) 11 Page - Richtek Technology Corporation |
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11 / 27 page  RT8206L/M 11 DS8206L/M-07 June 2012 www.richtek.com © Copyright 2012 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Parameter Symbol Test Conditions Min Typ Max Unit ILIM Current Temperature Coefficient On the basis of 25 °C -- 4700 -- ppm/ °C ILIM Adjustment Range VILIMx = ILIMx × RILIMx 0.5 -- 2 V VILIMx = 0.5V 40 50 60 VILIMx = 1V 85 100 115 Current-Limit Threshold GND − PHASEx VILIMx = 2V 180 200 220 mV Zero-Current Threshold SKIP = GND or REF, GND − PHASEx -- 3 -- mV Internal Regulator and Reference LDO Output Voltage VLDO BYP = GND, 6V < VIN < 25V, 0 < ILDO < 70mA 4.9 5 5.1 V LDO Output Current ILDO BYP = GND, VIN = 6V to 25V 70 -- -- mA LDO Short-Circuit Current LDO = GND, BYP = GND -- 200 300 mA LDO 5V Switchover Threshold to BYP VBYP Falling Edge, Rising Edge with FB1 Regulation Point 4.53 4.66 4.79 V LDO Switchover Equivalent Resistance RSW LDO to BYP, 10mA -- 1.5 3 Ω REF Output Voltage VREF No External Load 1.98 2 2.02 V REF Load Regulation IREF = 0 to 50μA -- 10 -- mV REF Sink Current REF in Regulation 10 -- -- μA UVLO Rising Edge -- 4.35 4.5 PVCC UVLO Threshold VUVLO Falling Edge 3.9 4.05 4.2 V Power Good PGOODx Threshold PGOOD Detect, FBx Falling edge 86 90 94 % PGOODx Hysteresis Rising Edge with Soft-Start Delay Time -- 3 -- % PGOODx Propagation Delay Falling Edge -- 10 -- μs PGOODx Leakage Current High State, Forced to 5.5V -- -- 1 μA PGOODx Output Low Voltage ISINK = 4mA -- -- 0.3 V Fault Detection OVP Trip Threshold VFB_OVP OVP Detect, FBx Rising edge 108 112 116 % OVP Propagation Delay FBx with 50mV Overdrive -- 10 -- μs UVP Trip Threshold UVP Detect, FBx Falling edge 50 55 60 % UVP Shutdown Blanking Time tSHDN_UVP From ENx Enable -- 5 -- ms Thermal Shutdown Thermal Shutdown TSHDN -- 150 -- °C Thermal Shutdown Hysteresis ΔTSHDN -- 10 -- °C |
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