Datenblatt-Suchmaschine für elektronische Bauteile |
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RT9746 Datenblatt(PDF) 4 Page - Richtek Technology Corporation |
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RT9746 Datenblatt(HTML) 4 Page - Richtek Technology Corporation |
4 / 10 page RT9746 4 DS9746-00 March 2016 www.richtek.com © Copyright 2016 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. Note 3. Devices are ESD sensitive. Handling precaution is recommended. Note 4. The device is not guaranteed to function outside its operating conditions. Note 5. Guaranteed by design. Parameter Symbol Test Conditions Min TYP Max Unit OVP Hysteresis VOVP_HYS Falling -- 150 -- mV OVP Propagation Delay to Turn Off VBUSOUT tOVP_PD VBUS = 5V to 10V, (6V/s) -- 0.18 0.25 s OVP Recover Delay tOVP_RD VBUS = 10V to 5V -- 8 -- ms OCP Threshold Current IOCP -- 4.5 5 A OCP Blanking Time tOCP_B -- 180 -- s OCP Recover delay tOCP_RD -- 64 -- ms OTP Threshold to turn off only for VBUS_OUT TOTP_FET Rising (Note5) -- 160 -- °C OTP Threshold Hysteresis only for VBUS_OUT TOTP_FET_HYS Falling (Note5) -- 20 -- °C OTP Recover Delay tOTD_RD -- 8 -- ms OCP Soft-Start Time tss -- 8 -- ms FET On Resistance RON_FET IBUS_OUT = 1000mA, VBUS = 5V TA = 25°C -- 35 42 m External OVP Set Threshold VREF_EXT -- 1.2 -- V External OVP Adjustment Range VOVP_EXT 4 -- 20 V External OVP Select Threshold (Rising) VOVP_SEL -- 0.3 -- V External OVP Select Threshold Hysteresis -- 100 -- mV WRNB Open-Drain Impedance VBUS = 5V -- -- 15 |
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Ähnliche Beschreibung - RT9746 |
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