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LT3650IMSE-4.2TRPBF Datasheet(PDF) 3 Page - Linear Technology |
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LT3650IMSE-4.2TRPBF Datasheet(HTML) 3 Page - Linear Technology |
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3 / 20 page  LT3650-4.1/LT3650-4.2 3 36504142fb SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS LT3650 VIN VIN Operating Range VIN Start Voltage (Note 3) l l 4.75 32 7.5 V V VIN(OVLO) OVLO Threshold OVLO Hysteresis VIN Rising l 32 35 1 40 V V VIN(UVLO) UVLO Threshold UVLO Hysteresis VIN Rising l 4.6 0.2 4.75 V V VBAT(FLT) Battery Float Voltage LT3650-4.1 l 4.08 4.06 4.1 4.12 4.14 V V LT3650-4.2 l 4.18 4.16 4.2 4.22 4.24 V V ΔVRECHRG Recharge Battery Threshold Threshold Voltage Relative to VBAT(FLT) –100 mV VBAT(PRE) Battery Precondition Threshold Voltage VBAT Rising 2.9 V VBAT(PREHYST) Battery Precondition Threshold Hysteresis 90 mV IVIN Operating Input Supply Current CC/CV Mode, ISW = 0 Standby Mode Shutdown (SHDN = 0) l 2.5 85 15 3.5 mA μA μA IBOOST BOOST Supply Current Switch-On, ISW = 0 2.5V < V(BOOST – SW) < 4.5V 20 mA IBOOST/ISW BOOST Switch Drive ISW = 2A 30 mA/A VSW(ON) Switch-On Voltage Drop VIN – VSW, ISW = 2A 350 mV ISW(MAX) Switch Current Limit l 2.5 A VSENSE(PRE) Precondition Current Sense Voltage VSENSE – VBAT VBAT = 2.5 15 mV VCLP(DC) CLP Threshold Voltage VCLP – VIN; VSENSE – VBAT = 50mV l 37.5 50 62.5 mV ICLP CLP Input Bias Current 200 nA VSENSE(DC) Maximum Current Sense Voltage VSENSE – VBAT; VBAT = 3.5V, VRNG/SS = 1.2V l 95 100 105 mV VSENSE(C/10) C/10 Trigger Sense Voltage l 7.5 10 12.5 mV IBAT BAT Input Bias Current Charging Terminated l 0.1 1 μA ISENSE SENSE Input Bias Current Charging Terminated l 0.1 1 μA IREVERSE Charger Reverse Current: IBAT + ISENSE + ISW VIN = 0V; BAT = SENSE = SW = VBAT(FLT) 1μA VNTC(H) NTC Range Limit (High) VNTC Rising l 1.25 1.36 1.45 V VNTC(L) NTC Range Limit (Low) VNTC Falling l 0.27 0.29 0.315 V VNTC(HYST) NTC Threshold Hysteresis % of Threshold 20 % RNTC(DIS) NTC Disable Impedance Minimum External Impedance to GND l 250 500 k Ω INTC NTC Bias Current VNTC = 0.8V l 47.5 50 52.5 μA IRNG/SS IRNG/SS Bias Current l 45 50 55 μA VRNG/SS/VSENSE Current Limit Programming: VRNG/SS/VSENSE(MAX) VRNG/SS = 0.5 l 8.5 10 11.5 V/V VSHDN Shutdown Threshold Rising l 1.17 1.20 1.23 V VSHDN(HYST) Shutdown Hysteresis 120 mV ISHDN SHDN Input Bias Current –10 nA ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at VIN = 20V, BOOST-SW = 4V, SHDN = 2V, SENSE = BAT = VBAT(FLT), CTIMER = 0.68μF. |
Similar Part No. - LT3650IMSE-4.2TRPBF |
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