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LTC3566 Datasheet(PDF) 3 Page - Linear Technology |
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LTC3566 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 28 page  LTC3566 3 3566fa SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IOUT (PowerPath) VOUT Current Available Before Loading BAT 1x Mode, BAT = 3.3V 5x Mode, BAT = 3.3V 10x Mode, BAT = 3.3V Suspend Mode 135 672 1251 0.32 mA mA mA mA VCLPROG CLPROG Servo Voltage in Current Limit 1x, 5x, 10x Modes Suspend Mode 1.188 100 V mV VUVLO_VBUS VBUS Undervoltage Lockout Rising Threshold Falling Threshold 3.95 4.30 4.00 4.35 V V VUVLO_VBUS -VBAT VBUS to BAT Differential Undervoltage Lockout Rising Threshold Falling Threshold 200 50 mV mV VOUT VOUT Voltage 1x, 5x, 10x Modes, 0V < BAT < 4.2V, IOUT = 0mA, Battery Charger Off 3.4 BAT + 0.3 4.7 V USB Suspend Mode, IOUT = 250μA 4.5 4.6 4.7 V fOSC Switching Frequency ● 1.8 2.25 2.7 MHz RPMOS_PowerPath PMOS On-Resistance 0.18 Ω RNMOS_PowerPath NMOS On-Resistance 0.30 Ω IPEAK_PowerPath Peak Switch Current Limit 1x, 5x Modes 10x Mode 2 3 A A Battery Charger VFLOAT BAT Regulated Output Voltage ● 4.179 4.165 4.200 4.200 4.221 4.235 V V ICHG Constant Current Mode Charge Current RPROG = 5k 980 185 1022 204 1065 223 mA mA IBAT Battery Drain Current VBUS > VUVLO, Battery Charger Off, IOUT = 0μA VBUS = 0V, IOUT = 0μA (Ideal Diode Mode) 2 3.5 27 5 38 μA μA VPROG PROG Pin Servo Voltage 1.000 V VPROG_TRIKL PROG Pin Servo Voltage in Trickle Charge VBAT < VTRIKL 0.100 V VC/10 C/10 Threshold Voltage at PROG 100 mV hPROG Ratio of IBAT to PROG Pin Current 1022 mA/mA ITRKL Trickle Charge Current BAT < VTRKL 100 mA VTRIKL Trickle Charge Threshold Voltage BAT Rising 2.7 2.85 3.0 V ΔVTRKL Trickle Charge Hysteresis Voltage 135 mV VRECHRG Recharge Battery Threshold Voltage Threshold Voltage Relative to VFLOAT –75 –100 –125 mV tTERM Safety Timer Termination Timer Starts When BAT = VFLOAT 3.3 4 5 Hour tBADBAT Bad Battery Termination Time BAT < VTRKL 0.42 0.5 0.63 Hour hC/10 End of Charge Indication Current Ratio (Note 5) 0.088 0.1 0.112 mA/mA VCHRG CHRG Pin Output Low Voltage ICHRG = 5mA 65 100 mV ICHRG CHRG Pin Leakage Current VCHRG = 5V 1 μA ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VBUS = 5V, VBAT = 3.8V, DVCC = 3.3V, RCLPROG = 3.01k, RPROG = 1k, VIN1 = VOUT1 = 3.8V unless otherwise noted. |
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