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LTC4088 Datasheet(PDF) 9 Page - Linear Technology |
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LTC4088 Datasheet(HTML) 9 Page - Linear Technology |
9 / 52 page LTC4155 9 4155fc TYPICAL PERFORMANCE CHARACTERISTICS Switching Regulator Efficiency Battery Charger Total Efficiency vs Battery Voltage Battery and VBUS Currents vs VOUT Current Battery and VBUS Currents vs VOUT Current Battery Drain Current vs Temperature VOUT CURRENT (A) 0 0.2 0.4 0.6 0.8 4155 G01 0 –0.2 –0.4 0.2 0.4 0.6 1.0 INPUT CURRENT CHARGE CURRENT 500mA INPUT CURRENT LIMIT MODE VOUT CURRENT (A) 0 –2 –1 0 1 2 3 4 IBUS ICHG 123 4 4155 G02 5 3A INPUT CURRENT LIMIT MODE CURRENT (A) 92.5 1.5 4155 G04 85.0 80.0 0.5 0 1.0 2.0 INCLUDES LOSSES FROM 2 Si7938DP OVP FETS XFL4020-102ME INDUCTOR AND Si5481DU CHARGER FET 77.5 75.0 95.0 90.0 87.5 82.5 3.5 2.0 1.0 0.5 0 4.0 3.0 2.5 1.5 2.5 3.0 3.5 EFFICIENCY TO VOUT EFFICIENCY TO BATTERY POWER LOST TO BATTERY POWER LOST TO VOUT BATTERY VOLTAGE (V) 2.4 0.50 0.75 1.00 1.25 1.50 1.75 2.7 3.0 3.3 3.6 4155 G06 3.9 4.2 500mA MODE 900mA MODE VFLOAT = 4.05V USB Compliant Load Current Available Before Discharging Battery 500mA USB Limited Battery Charge Current vs Battery Voltage 100mA USB Limited Battery Charge Current vs Battery Voltage VOUT Voltage vs Battery Voltage BATTERY VOLTAGE (V) 2.4 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 3.3 3.9 4155 G07 2.7 3.0 3.6 4.2 12.5% CHARGE CURRENT MODE 100% CHARGE CURRENT MODE TEMPERATURE (°C) –25 6 8 10 95 4155 G03 4 2 5 7 9 3 1 0 5 35 65 –10 – 40 110 20 50 80 125 SUSPEND MODE (μA) SHIP AND STORE MODE (μA) VBUS = 0V BATTERY VOLTAGE (V) 2.4 55 60 70 75 80 3.6 100 4155 G05 65 3.0 2.7 3.9 3.3 4.2 85 90 95 12.5% CHARGE CURRENT MODE 100% CHARGE CURRENT MODE IVOUT = 0A = PBAT/PBUS VFLOAT = 4.2V INCLUDES LOSSES FROM 2 Si7938DP OVP FETS XFL4020-102ME INDUCTOR AND Si5481DU CHARGER FET BATTERY VOLTAGE (V) 2.4 0 20 40 60 80 100 2.7 3.0 3.3 3.6 4155 G08 3.9 4.2 VFLOAT = 4.2V BATTERY VOLTAGE (V) 2.4 3.4 3.6 3.5 3.8 3.7 4.0 3.9 4.2 4.1 4.4 4.3 2.7 3.0 3.3 3.6 4155 G09 3.9 4.2 IVOUT = 0A, VFLOAT = 4.2V 100% CHARGE CURRENT MODE 50% CHARGE CURRENT MODE 12.5% CHARGE CURRENT MODE CHARGER DISABLED TA = 25°C (Note 2). VBUS = 5V, BATSNS = 3.7V, DVCC = 3.3V, RCLPROG1 = RCLPROG2 = 1.21k, RPROG = 499Ω, unless otherwise noted. |
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Similar Description - LTC4088 |
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