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RT8206M Datasheet(PDF) 10 Page - Richtek Technology Corporation |
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RT8206M Datasheet(HTML) 10 Page - Richtek Technology Corporation |
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10 / 27 page  RT8206L/M 10 DS8206L/M-07 June 2012 www.richtek.com © Copyright 2012 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Electrical Characteristics (VIN = 12V, VEN1 = VEN2 = VCC = 5V, VBYP = 5V, PVCC = 5V, VENLDO = 5V, No Load on LDO, VOUT1, VOUT2 and REF, TA = 25 °C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Input Supply VIN Standby Supply Current IVIN_SBY VIN = 6V to 25V, Both SMPS Off, VENLDO = 5V -- 180 250 μA VIN Shutdown Supply Current IVIN_SHDH VIN = 6V to 25V, ENx = ENLDO = GND -- 20 40 μA Quiescent Power Consumption IQ Both SMPSs On, FB1 = SKIP = GND, FB2 = VCC, VOUT1 = VBYP = 5.3V, VOUT2 = 3.5V (Note 5) -- 5 7 mW SMPS Output and FB Voltage VOUT1 Output Voltage in Fixed Mode VOUT1 VIN = 6V to 25V, FB1= GND, VSKIP = 5V 4.975 5.05 5.125 V VOUT2 Output Voltage in Fixed Mode VOUT2 VIN = 6V to 25V, FB2 = VCC, VSKIP = 5V 3.285 3.33 3.375 V SECFB Voltage VSECFB VIN = 6V to 25V (RT8206L) 1.92 2 2.08 V Output Voltage Adjust Range SMPS1, SMPS2 2 -- 5.5 V FBx Adjustable Mode Threshold Voltage Fixed or Adj-Mode comparator threshold 0.2 0.4 0.55 V Either SMPS, SKIP = VCC 1.975 2 2.025 V Either SMPS, SKIP = REF -- 2.012 -- V FBx in Output Adjustable Mode VLOAD Either SMPS, SKIP = GND -- 2.012 -- V Line Regulation VLINE Either SMPS, VIN = 6V to 25V -- 0.005 -- %/V On-Time SMPS1 = 5.05V (200kHz) 1895 2105 2315 TON = VCC SMPS2 = 3.33V (300kHz) 832.5 925 1018 SMPS1 = 5.05V (300kHz) 1227 1403 1579 TON = REF SMPS2 = 3.33V (400kHz) 606 694 782 SMPS1 = 5.05V (400kHz) 895 1052 1209 On-Time Pulse Width tON TON = GND SMPS2 = 3.33V (500kHz) 475 555 635 ns Minimum Off-Time tOFF (MIN) 200 300 400 ns Ultrasonic Mode Frequency SKIP = REF 25 33 -- kHz Soft-Start Soft-Start Time tSSx Zero to 200mV current limit threshold from ENx enable -- 2 -- ms Current Sense Current Limit Threshold (Default) VILIMx = VCC, GND − PHASEx 85 100 115 mV Current Limit Current Source ILIMX 4.75 5 5.25 μA |
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