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LTC3261 Datasheet(PDF) 5 Page - Linear Technology |
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LTC3261 Datasheet(HTML) 5 Page - Linear Technology |
5 / 16 page LTC3245 5 3245f For more information www.linear.com/LTC3245 Typical perForMance characTerisTics 5V Output Impedance vs Temperature (Boost Mode) 3.3V Output Impedance vs Temperature (Boost Mode) Output Current vs Input Voltage (VOUT 5% Below Regulation) 5V Fixed Output Voltage vs Falling Input Voltage (Burst Mode Operation) 3.3V Fixed Output Voltage vs Falling Input Voltage (Burst Mode Operation) ADJ Regulation Voltage vs Temperature TA = 25°C, unless otherwise noted. VIN (V) 2 4.900 4.925 4.950 4.975 5.000 5.050 5.025 5.075 5.100 3 4 5 6 8 7 9 3245 G10 10 11 14 12 13 15 IOUT = 250mA IOUT = 1mA –55°C 25°C 125°C VIN (V) 2 3.200 3.225 3.250 3.275 3.300 3.350 3.325 3.375 3.400 3 4 5 6 8 7 9 3245 G11 10 11 14 12 13 15 IOUT = 250mA IOUT = 1mA –55°C 25°C 125°C TEMPERATURE (°C) –60 0 5 10 15 20 25 30 –30 0 30 60 3245 G13 90 120 150 VIN = 2.7V VIN = 3.3V LOW NOISE Burst Mode OPERATION TEMPERATURE (°C) –60 0 5 10 15 30 25 20 35 40 –30 0 30 3245 G14 60 90 120 150 VIN = 2.7V VIN = 3.3V LOW NOISE Burst Mode OPERATION VIN (V) 2 0 100 200 300 700 600 500 400 800 3 4 5 6 3245 G15 7 8 9 10 11 12 13 14 5V Burst Mode OPERATION 3.3V Burst Mode OPERATION 3.3V LOW NOISE 5V LOW NOISE TEMPERATURE (°C) –60 1.180 1.185 1.190 1.195 1.200 1.210 1.205 1.215 1.220 –30 0 30 60 3245 G12 90 120 150 VOUT (V) 2.5 0 1 2 7 6 5 4 3 8 11 10 9 12 3 3245 G17 3.5 4 4.5 5 BUCK LDO FALLING RISING RISING FALLING BOOST IOUT = 150mA VOUT (V) 2.5 0 1 2 7 6 5 4 3 8 11 10 9 12 3 3245 G18 3.5 4 4.5 5 BUCK LDO FALLING RISING RISING FALLING BOOST IOUT = 250mA VOUT (V) 2.5 0 1 2 7 6 5 4 3 8 11 10 9 12 3 3245 G16 3.5 4 4.5 5 BUCK IOUT = 1mA LDO FALLING RISING RISING FALLING BOOST Operating Mode Transition Voltage vs Input Voltage Operating Mode Transition Voltage vs Input Voltage Operating Mode Transition Voltage vs Input Voltage |
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