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RT9629A Datasheet(PDF) 6 Page - Richtek Technology Corporation |
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RT9629A Datasheet(HTML) 6 Page - Richtek Technology Corporation |
6 / 14 page RT9629A 6 DS9629A-03 October 2012 www.richtek.com © Copyright 2012 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Note 1. Stresses beyond those listed “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions may affect device reliability. Note 2. θJA is measured at TA = 25°C on a high effective thermal conductivity four-layer test board per JEDEC 51-7. θJC is measured at the exposed pad of the package. Note 3. Devices are ESD sensitive. Handling precaution is recommended. Note 4. The device is not guaranteed to function outside its operating conditions. Parameter Symbol Test Conditions Min Typ Max Unit EN Input ENx Rising Threshold VENH -- 1.3 1.6 V ENx Falling Threshold VENL 0.7 1 -- V PWM Input Maximum Input Current IPWM VPWMx = 0V or 5V -- 160 -- μA PWMx Floating Voltage VPWM_fl PWMx = Open -- 1.8 -- V PWMx Rising Threshold VPWM_rth 2.3 2.8 3.2 V PWMx Falling Threshold VPWM_fth 0.7 1.1 1.4 V Timing UGATEx Rising Time tUGATEr 3nF load -- 25 -- ns UGATEx Falling Time tUGATEf 3nF load -- 12 -- ns LGATEx Rising Time tLGATEr 3nF load -- 24 -- ns LGATEx Falling Time tLGATEf 3nF load -- 10 -- ns tUGATEpgh -- 30 -- tUGATEpdl VBOOTx − VPHASEx = 12V See Timing Diagram -- 22 -- ns tLGATEpdh -- 30 -- Propagation Delay tLGATEpdl See Timing Diagram -- 8 -- ns Output UGATEx Drive Source RUGATEsr VBOOT − VPHASE = 12V, ISource = 100mA -- 1.7 -- Ω UGATEx Drive Sink RUGATEsk VBOOT − VPHASE = 12V, ISink = 100mA -- 1.4 -- Ω LGATEx Drive Source RLGATEsr ISource = 100mA -- 1.6 -- Ω LGATEx Drive Sink RLGATEsk ISink = 100mA -- 1.1 -- Ω |
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