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LP28019-00 Datasheet(PDF) 4 Page - Lowpower Semiconductor inc |
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LP28019-00 Datasheet(HTML) 4 Page - Lowpower Semiconductor inc |
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4 / 9 page  Preliminary Datasheet LP28019 LP28019 – 000 Version 1.0 Datasheet FEB.-2012 www.lowpowersemi.com Page 4 of 9 Electrical Characteristics (The specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, unless otherwise noted.) SYMBOL PARAMETER CONDITIONS MIN TYP. MAX UNITS VIN Adapter/USB Voltage Range 2.65 5 7 V ICC Input Supply Current Charge Mode (Note 4), RISET = 10k Standby Mode (Charge Terminated) 300 2000 uA Shutdown Mode (RISET Not Connected, 200 500 VCC < VBAT, or VCC < VUV) 25 50 VFLOAT Regulated Output (Float) Voltage 0°C ≤ TA ≤ 85°C, IBAT = 40mA 4.158 4.2 4.242 V IBAT BAT Pin Current RISET = 1k, Current Mode 1000 mA RISET = 2k, Current Mode 50 Standby Mode, VBAT = 4.2V Shutdown Mode (RISET Not Connected) Sleep Mode, VCC = 0V 0 -2.5 ± 1 ± 1 -6 ± 2 ± 2 uA ITRIKL Trickle Charge Current VBAT < VTRIKL, RISET = 2k (Note 5) 50 mA VTRIKL Trickle Charge Threshold Voltage RISET = 10k, VBAT Rising (Note 5) 2.8 2.9 3.0 V VTRHYS Trickle Charge Hysteresis Voltage RISET = 10k (Note 5) 60 80 110 mV VUV VCC Undervoltage Lockout Threshold From VCC Low to High 3.7 3.8 3.95 V VUVHYS VCC Undervoltage Lockout Hysteresis 150 200 300 mV VMSD Manual Shutdown Threshold Voltage ISET Pin Rising 1.15 1.21 1.30 V ISET Pin Falling 0.9 1.0 1.1 V VASD VCC – VBAT Lockout Threshold Voltage VCC from Low to High 70 100 140 mV VCC from High to Low 5 30 50 mV ITERM C/10 Termination Current Threshold RISET = 10k (Note 6) 0.085 0.10 0.115 mA/mA RISET = 2k 0.085 0.10 0.115 mA/mA VISET ISET Pin Voltage RISET = 10k, Current Mode 0.9 1.0 1.1 V ISTAT STAT Pin Weak Pull-Down Current VSTAT = 5V 8 20 35 uA VSTAT STAT Pin Output Low Voltage ISTAT = 5mA 0.35 0.6 V ΔVRESTAT Recharge Battery Threshold Voltage VFLOAT - VRESTAT 100 150 200 mV TLIM Junction Temperature in Constant Temperature Mode 120 °C RON Power FET “ON” Resistance (Between VCC and BAT) 600 mΩ tSS Soft-Start Time IBAT = 0 to IBAT =850V/RISET 100 uS IISET ISET Pin Pull-Up Current 3 uA VIN OVP Over voltage protection 5.9 6.2 6.5 V |
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