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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RT3612EB датащи(PDF) 8 Page - Richtek Technology Corporation |
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RT3612EB датащи(HTML) 8 Page - Richtek Technology Corporation |
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8 / 47 page  RT3612EB 8 DS3612EB-02 December 2019 www.richtek.com © Copyright 2019 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Electrical Characteristics (VCC = 5V, typical values are referenced to TJ = 25 °C, Min and Max values are referenced to TJ from −10°C to 105°C, unless other noted) Parameter Symbol Test Conditions Min Typ Max Unit Supply Input Supply Voltage VCC 4.5 5 5.5 V Supply Current IVCC VRON = H, not switching -- 6.5 -- mA Supply Current at PS4 IVCC_PS4 VRON = H, not switching -- 0.08 0.097 mA Shutdown Current ISHDN VRON = L -- -- 10 A Slew Rate Dynamic VID Slew Rate Fast Slew Rate SR (Y/U/H-line) SetVID fast 48 -- -- mV/ s Slow Slew Rate SetVID slow, slew rate default = 1/4 fast 12 -- -- EA Amplifier DC Gain ADC RL = 47k 70 -- -- dB Gain-Bandwidth Product GBW CLOAD = 5pF -- 5 -- MHz Slew Rate SREA CLOAD = 10pF (Gain = 4, Rf = 47k , VOUT = 0.5V to 3V) 5 -- -- V/ s Output Voltage Range VCOMP RL = 47k 0.3 -- 3.6 V Maximum Source/Sink Current IOUTEA VCOMP = 2V -- 5 -- mA Input Offset Voltage VOSEA TA = 25°C 3 3 mV Current Sensing Amplifier Input Offset Voltage VOSCS 0.6 -- 0.6 mV Impedance at Positive Input RISENxP 1 -- -- M CS Input Voltage VCSIN Differential voltage range of DCR sense. (VCSIN= Inductor current x DCR x DCR divider) 10 -- 100 mV Current Sense Gain Error AMIRROR Internal current mirror gain of per phase current sense IIMON / ICS,PERx 0.97 1 1.03 A/A TON Setting On-Time Setting tON VIN = 19V,VID = 1.8V, KTON = 1.36 -- 165 -- ns Minimum Off-Time tOFF VDAC = 1.8V under PS1 condition -- 150 -- ns Protections Under-Voltage Lockout Threshold VUVLO Falling edge 3.9 4.1 4.3 V VUVLO Rising edge hysteresis 100 170 250 mV Over-Voltage Protection Threshold VOV Respect to VID voltage, VID > 1.88V VID + 300 VID + 350 VID + 400 mV VID 1.88V -- 2.23 -- V |
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