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LTC4081EDD-PBF Datasheet(PDF) 7 Page - Linear Technology |
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LTC4081EDD-PBF Datasheet(HTML) 7 Page - Linear Technology |
7 / 24 page LTC4081 7 4081f 2.7 4.2 3 3.6 3.3 3.9 4.5 4081 G24 BATTERY VOLTAGE (V) 40 50 60 30 20 0 10 80 70 L = 10 μH VOUT SET FOR 1.8V BATTERY VOLTAGE (V) 300 200 100 500 400 2.7 4.2 3 3.6 3.3 3.9 4.5 4081 G23 L = 10 μH VOUT SET FOR 1.8V 20 25 35 15 10 5 0 30 L = 10 μH C = 4.7 μF VOUT = 1.8V TEMPERATURE (˚C) –50 10 50 –30 –10 30 70 90 4081 G18 VBAT = 4.2V VBAT = 3.8V VBAT = 2.7V No-Load Buck Input Current (Burst Mode Operation) vs Temperature Buck Main Switch (PMOS) On-Resistance vs Battery Voltage Buck Main Switch (PMOS) On-Resistance vs Temperature Buck Synchronous Switch (NMOS) On-Resistance vs Battery Voltage Buck Synchronous Switch (NMOS) On-Resistance vs Temperature Maximum Output Current (PWM Mode) vs Battery Voltage Maximum Output Current (Burst Mode Operation) vs Battery Voltage 1.0 1.2 0.8 0.6 0.4 0.2 0 4081 G19 BATTERY VOLTAGE (V) 2.5 4.5 5.0 3.0 3.5 4.0 TEMPERATURE ( °C) –50 10 50 –30 –10 30 70 90 4081 G20 1.0 1.2 0.8 0.6 0.4 0.2 0 4081 G21 BATTERY VOLTAGE (V) 2.5 0.8 1.0 1.2 4.5 5.0 0.6 0.4 0 3.0 3.5 4.0 0.2 4081 G22 TEMPERATURE ( °C) –50 10 50 –30 –10 30 70 90 0 0.8 1.0 1.2 0.6 0.4 0.2 TYPICAL PERFORMANCE CHARACTERISTICS (T A = 25°C, VCC = 5V, VBAT = 3.8V, unless otherwise specified) |
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