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RT2519W Datasheet(PDF) 5 Page - Richtek Technology Corporation |
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RT2519W Datasheet(HTML) 5 Page - Richtek Technology Corporation |
5 / 13 page RT2519W 5 DS2519W-00 May 2019 www.richtek.com © Copyright 2019 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Parameter Symbol Test Conditions Min Typ Max Unit Enable Voltage Enable Threshold Voltage VIH VEN rising 2.2V VIN 6V, ROUT = 1k 1.2 -- -- V VIL VEN falling, ROUT = 1k -- -- 0.4 Enable Input Current IIH VIN = 6V, VEN = 6V -- 0.02 1 A Feedback Input Current IFB VIN = 5.5V, VFB = 0.8V -- 0.02 1 A Current Limit Output Current Limit ILIM VIN = 3.3V, VOUT = 0.85 x VOUT 1.1 1.4 2 A Power-Up Time Power-Up Time VOUT = 3.3V, ROUT = 3.3k, COUT = 4.7F CNR = 1nF -- 0.16 -- ms CNR = 10nF -- 1.6 -- Dropout Voltage Dropout Voltage VDROP VOUT + 0.5V VIN 6V, VFB = 0V VIN 2.2V, IOUT = 500mA -- -- 160 mV VIN 2.5V, IOUT = 750mA -- -- 210 VIN 2.5V, IOUT = 1A -- -- 370 Power Supply Ripple Rejection and Noise Power Supply Ripple Rejection PSRR VIN = 4.3V, VOUT = 3.3V, IOUT = 750mA f = 100Hz -- 48 -- dB f = 1kHz -- 63 -- f = 10kHz -- 63 -- f = 1MHz -- 38 -- Output Noise Voltage BW = 100Hz to 100kHz, VIN = 4.3V, VOUT = 3.3V, IOUT = 100mA CNR = 1nF -- 15.6 x VOUT -- VRMS CNR = 10nF -- 15.6 x VOUT -- CNR = 0.1F -- 15.1 x VOUT -- Over-Temperature Protection Thermal Shutdown TSD -- 160 -- °C Thermal Shutdown Recovery -- 140 -- |
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