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LTC3670 Datasheet(PDF) 4 Page - Linear Technology |
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LTC3670 Datasheet(HTML) 4 Page - Linear Technology |
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4 / 12 page  LTC3670 4 3670f TYPICAL PERFORMANCE CHARACTERISTICS VIN Supply Current vs VIN Buck Regulated Feedback Voltage vs Temperature Buck Load Regulation LDO Dropout vs Load Current at VIN = 3.6V LDO Short-Circuit Current vs VIN Buck Oscillator Frequency vs Temperature (TA = 25°C unless otherwise noted) Regulated LDO Feedback Pin Voltage vs Temperature LDO Load Regulation LDO Dropout vs Load Current at VIN = 2.5V VIN (V) 2.5 0 20 40 60 80 120 3 3.5 4 4.5 3670 G01 5 5.5 100 ALL THREE OUTPUTS ENABLED, NO LOAD –45°C 25°C 90°C 130°C VIN (V) 2.5 3 3.5 4 4.5 3670 G08 5 5.5 0 100 200 300 400 500 50 150 250 350 450 – 45°C 25°C 90°C TEMPERATURE (˚C) –50 805 810 815 90 800 795 –10 30 –30 10 50 110 70 130 780 790 820 785 3670 G02 VIN = 4.2V VIN = 5.5V VIN = 2.5V VIN = 3.6V UNITY GAIN, V(OUT) = V(BUCKFB) I(OUT) = 100mA TEMPERATURE (˚C) –50 805 810 815 90 110 800 795 –10 30 –30 10 50 70 130 780 790 820 785 3670 G03 UNITY GAIN, V(OUT) = V(LDO_FB) I(OUT) = 0.1mA VIN = 2.5V VIN = 3.6V VIN = 4.2V VIN = 5.5V LOAD CURRENT (mA) 0 805 810 815 350 800 795 100 200 50 150 250 300 400 780 790 820 785 3670 G04 VIN = 3.6V LOAD CURRENT (mA) 0 25 50 75 100 3670 G05 125 150 780 790 800 810 820 785 795 805 815 VIN = 3.6V 130°C – 45°C LOAD CURRENT (mA) 0 25 50 75 100 3670 G06 125 150 VIN = 2.5V 0 100 200 300 50 150 250 25°C 90°C 130°C – 45°C LOAD CURRENT (mA) 0 25 50 75 100 3670 G07 125 150 VIN = 3.6V 0 100 200 300 50 150 250 25°C 90°C TEMPERATURE (˚C) –50 2.20 2.25 2.30 90 2.15 2.10 –10 30 –30 10 50 110 70 130 1.95 1.90 2.05 2.35 2.00 3670 G09 VIN = 4.2V VIN = 2.5V VIN = 3.6V VIN = 5.5V |
Similar Part No. - LTC3670_15 |
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Similar Description - LTC3670_15 |
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