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RT2910A Datasheet(PDF) 7 Page - Richtek Technology Corporation |
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RT2910A Datasheet(HTML) 7 Page - Richtek Technology Corporation |
7 / 20 page RT2910A Copyright © 2017 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. DS2910A-00 August 2017 www.richtek.com 7 Electrical Characteristics (VIN = VENHV = 5V, RRT = 300k, CREF = 0.1F, VHV = 12V, TJ = 40°C to 125°C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Hot Swap Regulator with Over-Voltage Protection VHV Supply Current IVHV VENHV = 0V -- 7 25 A VENHV = 5V (VGATE VOUT) -- 2.3 5 mA GATE Output High Voltage (Note 5) V GATE 8V < VHV < 80V (VGATE VOUT) 10 12 16 V GATE Pull-Up Current IGATE_UP VGATE = 12V 15 40 60 A VGATE = VHV = 48V 30 70 120 GATE Pull-Down Current IGATE_DN Over voltage, VFB = 1.4V, VGATE = 12V 45 80 150 mA Over current, VHV VSNS = 120mV, VGATE = 12V 1 3 4 Shutdown mode, VENHV = 0V, VGATE = 12V 45 80 150 Output FB Voltage VFB VGATE = 12V, VOUT = 12V 1.18 1.25 1.32 V FB Input Current IFB VFB = 1.25V -- 0.3 1 A Over Current Threshold V SNS VHV VSNS VHV = 12V 40 50 58 mV VHV = 48V 38 48 56 SNS Input Current ISNS VSNS = VHV = 12V to 48V -- 120 -- A OUT Pin Input Current IOUT VSNS = VHV = 12V -- 200 500 A VOUT = VHV = 12V, VENHV = 0V -- 0.5 2 mA ENHV Input Voltage VENHV_H VHV = 12V to 48V 3 -- -- V VENHV_L VHV = 12V to 48V -- -- 0.5 ENHV Input Current IENHV VENHV = 3V -- 0.4 -- A TMR Current ITMR_SO Sourcing, VTMR = 1V, VFB = 1.5V or V SNS = 60mV 20 25 30 A ITMR_SI Sinking, VTMR = 1V, VFB = 1V or V SNS = 0V 2.5 3.5 5 A Inverting PWM Converter VIN Supply Voltage Range VIN 4 -- 7 V VIN Supply Current IVIN VNFB = 0.6V, VIN > VUVLO, VCOMP = 0V -- 0.75 1.5 mA UVLO Threshold VUVLO VIN rising -- 3.6 3.9 V VIN falling 3.2 3.5 -- NFB Threshold VNFB No load 0.585 0.6 0.615 V NFB Input Current INFB VNFB = 0.6V -- 0.1 -- A |
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