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RT6236AHGQUF Datasheet(PDF) 8 Page - Richtek Technology Corporation |
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RT6236AHGQUF Datasheet(HTML) 8 Page - Richtek Technology Corporation |
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8 / 22 page  RT6236A/B 8 DS6236A/B-02 August 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 highly thermal conductive 4-Layer test board. θJC is measured at the top 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 PVCC Output PVCC Output Voltage VPVCC 6V VIN 18V, 0 < IPVCC 5mA -- 5 -- V PVCC Line Regulation 6V VIN 18V, IPVCC = 5mA -- -- 20 mV PVCC Load Regulation 0 IPVCC 20mA -- -- 100 PVCC Output Current IPVCC VIN = 6V, VPVCC = 4V, TA = 25C -- 150 -- mA Internal MOSFET High-Side On-Resistance RDS(ON)_H VBOOT VSW = 5V -- 51 -- m Low-Side On-Resistance RDS(ON)_L -- 18 -- Current Limit Low-Side Switch Valley Current Limit ILIM 6.6 7.7 8.9 A Thermal Shutdown Thermal Shutdown Threshold TSD -- 150 -- C Thermal Shutdown Hysteresis TSD -- 20 -- On-Time Timer Control On-Time tON VOUT = 1.2V -- 153 -- ns Minimum On-Time tON(MIN) -- 60 -- Minimum Off-Time tOFF(MIN) -- 230 -- Soft-Start Internal Charge Current VSS = 0V 5 6 7 A Power Good PGOOD Good Rising Threshold VFB Rising (Good) 85 90 95 %VFB VFB Rising (Fault) -- 120 -- PGOOD Good Falling Threshold VFB Falling (Good) -- 112 -- VFB Falling (Fault) -- 80 -- PGOOD Sink Current PGOOD = 0.1V 10 20 -- mA Output Under Voltage and Over Voltage Protections OVP Trip Threshold OVP Detect 115 120 125 %VFB OVP Propagation Delay -- 10 -- s UVP Trip Threshold UVP Detect 55 60 65 %VFB Hysteresis -- 10 -- UVP Propagation Delay -- 250 -- s UVP Enable Delay Relative to Soft-Start Time -- tSS x 1.7 -- -- |
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