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LTC3557 Datasheet(PDF) 7 Page - Linear Technology |
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LTC3557 Datasheet(HTML) 7 Page - Linear Technology |
7 / 28 page LTC3557/LTC3557-1 7 35571fc TYPICAL PERFORMANCE CHARACTERISTICS IBAT vs VBAT Input Disconnect Waveform Forward Voltage vs Ideal Diode Current (No External FET) Forward Voltage vs Ideal Diode Current (with Si2333DS External FET) TA = 25°C unless otherwise specified Input Connect Waveform Switching from 1x to 5x Mode WALL Connect Waveform WALL Disconnect Waveform Switching from Suspend Mode to 5x Mode VBAT (V) 2.0 0 100 200 300 400 600 2.4 2.8 3.2 3.6 35571 G10 4.0 4.4 500 VBUS = 5V 10x MODE RPROG = 2k RCLPROG = 2k IBAT (A) 0 0 0.05 0.10 0.15 0.20 0.25 0.2 0.4 0.6 0.8 35571 G11 1.0 1.2 VBAT = 3.2V VBUS = 0V TA = 25°C VBAT = 4.2V VBAT = 3.6V IBAT (A) 0 15 20 25 0.6 1.0 35571 G12 10 5 0 0.2 0.4 0.8 30 35 40 VBAT = 3.8V VBUS = 0V TA = 25°C VBUS 5V/DIV VOUT 5V/DIV IBUS 0.5A/DIV IBAT 0.5A/DIV VBAT = 3.75V IOUT = 100mA RCLPROG = 2k RPROG = 2k 1ms/DIV 35571 G25 VBUS 5V/DIV VOUT 5V/DIV IBUS 0.5A/DIV IBAT 0.5A/DIV VBAT = 3.75V IOUT = 100mA RCLPROG = 2k RPROG = 2k 1ms/DIV 35571 G26 ILIM0/ILIM1 5V/DIV IBUS 0.5A/DIV IBAT 0.5A/DIV VBAT = 3.75V IOUT = 50mA RCLPROG = 2k RPROG = 2k 1ms/DIV 35571 G27 ILIM0 5V/DIV VOUT 5V/DIV IBUS 0.5A/DIV IBAT 0.5A/DIV VBAT = 3.75V IOUT = 100mA RCLPROG = 2k RPROG = 2k ILIM1 = 5V 100μs/DIV 35571 G28 WALL 5V/DIV VOUT 5V/DIV IWALL 0.5A/DIV IBAT 0.5A/DIV VBAT = 3.75V IOUT = 100mA RPROG = 2k 1ms/DIV 35571 G29 WALL 5V/DIV VOUT 5V/DIV IWALL 0.5A/DIV IBAT 0.5A/DIV VBAT = 3.75V IOUT = 100mA RPROG = 2k 1ms/DIV 35571 G30 |
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