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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RT5002 датащи(PDF) 12 Page - Richtek Technology Corporation |
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RT5002 датащи(HTML) 12 Page - Richtek Technology Corporation |
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12 / 40 page  RT5002 12 DS5002-00 November 2011 www.richtek.com Charger Unit : (VIN = 5V, VBAT = 4V, TA = 25 °C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Supply Input VIN Under Voltage Lockout Threshold VUVLO VIN = 0V to 4V 3.1 3.3 3.5 V VIN Under Voltage Lockout Hysteresis ΔVUVLO VIN = 4V to 0V -- 240 -- mV ISYS = IBAT = 0mA, ENCH = 0 (VBAT > VREGx) -- 1 2 VIN Supply Current ISUPPLY ISYS = IBAT = 0mA, ENCH = 1 (VBAT > VREGx) -- 0.8 1.5 mA VIN Suspend Current IUSUS VIN = 5V, USUS = 1 -- 195 300 μA VIN − BAT VOS Rising VOS_H -- 200 300 mV VIN − BAT VOS Falling VOS_L 10 50 -- mV Voltage Regulation System Regulation Voltage VSYS ISYS = 800mA 4.3 4.4 4.5 V Battery Regulation Voltage VREG1 0 to 85°C, Loading = 20mA, when VSET = 1 4.16 4.2 4.23 V Battery Regulation Voltage VREG2 0 to 85°C, Loading = 20mA, when VSET = 0 4.01 4.05 4.08 V To be continued Parameter Symbol Test Conditions Min Typ Max Unit Control Logic-High 1.3 -- -- EN1234, TSSEL Input Voltage Threshold Logic-Low -- -- 0.4 V EN1234, TSSEL Sink Current -- 1 6 μA Thermal Protection Thermal Shutdown TSD -- 155 -- °C Thermal Shutdown Hysteresis ΔTSD -- 20 -- °C RTC LDO Standby Current VDDM = 4.2V -- 3 6 μA VOUT (RTCPWR) IOUT = 0mA, VDDM = 4.2V 3.23 3.3 3.37 V Max Output Current (Current Limit) VDDM = 4.2V 60 130 200 mA IOUT = 50mA -- -- 1000 IOUT = 10mA -- -- 150 Dropout Voltage IOUT = 3mA -- -- 60 mV WAKE Up Detector WAKE Impulse High Duration tWAKEUP VIN or BAT plug in, RTCPWR = 3.3V -- 55 -- ms High Level VWAKE_H Source Current 0.5mA, RTCPWR = 3.3V -- RTCPWR − 0.3 RTCPWR WAKE Output Low Level VWAKE_L Sink Current −0.5mA, RTCPWR = 3.3 0 0.3 -- V VIN Threshold to Wake Up 3.1 3.3 3.5 V BAT Threshold to Wake Up -- 2.7 -- V BAT Threshold Hysteresis to Wake Up -- 150 -- mV |
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