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LTC3101 Datasheet(PDF) 5 Page - Linear Technology |
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LTC3101 Datasheet(HTML) 5 Page - Linear Technology |
5 / 34 page LTC3101 5 3101fb TYPICAL PERFORMANCE CHARACTERISTICS Buck Efficiency 2 AA Cells to 1.5V Buck Efficiency 2 AA Cells to 1.2V Buck Efficiency USB (5V) to 1.8V Buck-Boost Efficiency 2 AA Cells to 3.3V Buck-Boost Efficiency USB (5V) to 3.3V Buck-Boost Efficiency Li-Ion to 3.3V Buck Burst Mode Threshold No-Load Quiescent Current in Burst Mode Operation Standby Quiescent Current (TA = 25°C unless otherwise specified) LOAD CURRENT (mA) 0.1 0 10 30 40 50 100 70 1 10 3101 G01 20 80 90 60 100 1000 L = 4.7μH VBAT = 3.2V VBAT = 1.8V PWM Mode Burst Mode OPERATION LOAD CURRENT (mA) 0.1 0 10 30 40 50 100 70 1 10 3101 G02 20 80 90 60 100 1000 L = 4.7μH VBAT = 3.2V VBAT = 1.8V PWM Mode Burst Mode OPERATION LOAD CURRENT (mA) 0.1 0 10 30 40 50 100 70 1 10 3101 G03 20 80 90 60 100 1000 L = 4.7μH PWM Mode Burst Mode OPERATION LOAD CURRENT (mA) 0 10 30 40 50 100 70 1 10 3101 G04 20 80 90 60 100 1000 L = 4.7μH VBAT = 3.2V VBAT = 1.8V PWM Mode Burst Mode OPERATION LOAD CURRENT (mA) 0 10 30 50 40 100 L = 4.7μH 70 1 10 3101 G05 20 80 90 60 100 1000 PWM Mode Burst Mode OPERATION LOAD CURRENT (mA) 0 10 30 50 40 100 70 1 10 3101 G06 20 80 90 60 100 1000 PWM Mode Burst Mode OPERATION L = 4.7μH VBAT = 3.0V VBAT = 4.2V SUPPLY VOLTAGE, VBAT OR VUSB (V) 1.5 20 25 35 4.5 3101 G07 15 10 2.5 3.5 5.5 5 0 30 L = 4.7μH VOUT = 0.8V VOUT = 1.2V VOUT = 1.8V SUPPLY VOLTAGE, VBAT OR VUSB (V) 1 50 60 70 5 3101 G08 40 30 234 6 20 10 0 BUCK1, BUCK2 AND BUCK-BOOST ENABLED BUCK-BOOST ENABLED BOTH BUCKS DISABLED SUPPLY VOLTAGE, VBAT OR VUSB (V) 1 12 16 20 5 3101 G09 8 4 10 14 18 6 2 0 2 3 4 6 LDO AND MAX OUTPUTS ACTIVE PWRON = 0V, PWRKEY= FLOATING |
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