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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LP28303ASPF датащи(PDF) 4 Page - Lowpower Semiconductor inc |
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LP28303ASPF датащи(HTML) 4 Page - Lowpower Semiconductor inc |
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4 / 8 page  LP28303A-00 Apr.-2017 Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 4 of 8 Preliminary Datasheet LP28303A Electrical Characteristics (The specifications which apply over the full operating temperature range, otherwise specifications are at TA=25℃, VIN = 5V, unless otherwise noted.) Symbol Parameter Condition Min Typ Max Units VIN Adapter/USB Voltage Range 4.5 5.5 V ICC Input Supply Current Standby Mode (Charge Terminated) 0.1 mA VFLOAT Regulated Output (Float) Voltage 4.158 4.2 4.242 V VCS Current Sense Reference Voltage (For CS to BAT) VTRIKL<VBAT<VFLOAT 50 mV IBAT BAT Pin Current Rcs=50mΩ, Current Mode 1000 mA Rcs=25mΩ, Current Mode 2000 mA Standby Mode 7 μA ITRIKL Trickle Charge Current 1V<VBAT<VTRIKL, RCS=50mΩ 100 mA VBAT<1V, RCS=50mΩ 20 mA VTRIKL Trickle Charge Threshold Voltage RCS=50mΩ, VBAT Rising 2.8 V VTRHYS Trickle Charge Hysteresis Voltage RCS=50mΩ 100 mV VREG Input Regulation Voltage 4.3 V VCHRG CHRG Pin Output Low Voltage ICHRG=5mA 0.5 V VFULL FULL Pin Output Low Voltage IFULL=5mA 0.5 V ΔVRECHRG Recharge Threshold Voltage VFLOAT-VRECHRG 150 mV TLIM Junction Temperature in Constant Temperature Mode 150 ℃ ITERM C/10 Terminal Current RCS=50mΩ 100 mA UVLO Under Voltage Lockout of VIN VIN rising 4.1 V VIN falling 3.9 V VOVP Over Voltage Protection of VIN VIN rising 6.0 V VIN falling 5.7 V FOSC Switch Frequency VIN=5V, Current Mode 600 KHz VNTC Protection Threshold Voltage of VNTC rising 80 %VIN Protection Threshold Voltage of VNTC falling 45 %VIN NTC Disable Voltage 100 mV |
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