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LT1579 Datasheet(PDF) 3 Page - Linear Technology |
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LT1579 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 20 page  3 LT1579 ELECTRICAL CHARACTERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS Regulated Output LT1579-3 VIN1 = VIN2 = 3.5V, ILOAD = 1mA, TJ = 25°C 2.950 3.000 3.050 V Voltage (Note 1) 4V < VIN1 < 20V, 4V < VIN2 < 20V, 1mA < ILOAD < 300mA q 2.900 3.000 3.100 V LT1579-3.3 VIN1 = VIN2 = 3.8V, ILOAD = 1mA, TJ = 25°C 3.250 3.300 3.350 V 4.3V < VIN1 < 20V, 4.3V < VIN2 < 20V, 1mA < ILOAD < 300mA q 3.200 3.300 3.400 V LT1579-5 VIN1 = VIN2 = 5.5V, ILOAD = 1mA, TJ = 25°C 4.925 5.000 5.075 V 6V < VIN1 < 20V, 6V < VIN2 < 20V, 1mA < ILOAD < 300mA q 4.850 5.000 5.150 V Adjust Pin Voltage LT1579 VIN1 = VIN2 = 3.2V, ILOAD = 1mA, TJ = 25°C (Note 2) 1.475 1.500 1.525 V 3.7V < VIN1 < 20V, 3.7V < VIN2 < 20V, 1mA < ILOAD < 300mA q 1.450 1.500 1.550 V Line Regulation LT1579-3 ∆VIN1 = 3.5V to 20V, ∆VIN2 = 3.5V to 20V, ILOAD = 1mA q 1.5 10 mV LT1579-3.3 ∆VIN1 = 3.8V to 20V, ∆VIN2 = 3.8V to 20V, ILOAD = 1mA q 1.5 10 mV LT1579-5 ∆VIN1 = 5.5V to 20V, ∆VIN2 = 5.5V to 20V, ILOAD = 1mA q 1.5 10 mV LT1579 ∆VIN1 = 3.2V to 20V, ∆VIN2 = 3.2V to 20V, ILOAD = 1mA (Note 2) q 1.5 10 mV Load Regulation LT1579-3 VIN1 = VIN2 = 4V, ∆ILOAD = 1mA to 300mA, TJ = 25°C 3 12 mV VIN1 = VIN2 = 4V, ∆ILOAD = 1mA to 300mA q 25 mV LT1579-3.3 VIN1 = VIN2 = 4.3V, ∆ILOAD = 1mA to 300mA, TJ = 25°C 3 12 mV VIN1 = VIN2 = 4.3V, ∆ILOAD = 1mA to 300mA q 25 mV LT1579-5 VIN1 = VIN2 = 6V, ∆ILOAD = 1mA to 300mA, TJ = 25°C 5 15 mV VIN1 = VIN2 = 6V, ∆ILOAD = 1mA to 300mA q 35 mV LT1579 VIN1 = VIN2 = 3.7V, ∆ILOAD = 1mA to 300mA, TJ = 25°C (Note 2) 2 10 mV VIN1 = VIN2 = 3.7V, ∆ILOAD = 1mA to 300mA q 20 mV Dropout Voltage ILOAD = 10mA, TJ = 25°C 0.10 0.28 V (Notes 3, 4) ILOAD = 10mA q 0.39 V VIN1 = VIN2 = ILOAD = 50mA, TJ = 25°C 0.18 0.35 V VOUT(NOMINAL) ILOAD = 50mA q 0.45 V ILOAD = 150mA, TJ = 25°C 0.25 0.47 V ILOAD = 150mA q 0.60 V ILOAD = 300mA, TJ = 25°C 0.34 0.60 V ILOAD = 300mA q 0.75 V Ground Pin Current ILOAD = 0mA, TJ = 25°C 50 100 µA (Note 5) ILOAD = 0mA q 400 µA VIN1 = VIN2 = ILOAD = 1mA, TJ = 25°C 100 200 µA VOUT(NOMINAL) + 1V ILOAD = 1mA q 500 µA ILOAD = 50mA q 0.7 1.5 mA ILOAD = 150mA q 24 mA ILOAD = 300mA q 5.8 12 mA Standby Current IVIN2: VIN1 = 20V, VIN2 = VOUT(NOMINAL) + 0.5V, VSS = Open (HI) q 3.3 7.0 µA (Note 6) ILOAD = 0mA IVIN1: VIN1 = VOUT(NOMINAL) + 0.5V, VIN2 = 20V, VSS = 0V q 2.0 7.0 µA Shutdown Threshold VOUT = Off to On q 0.9 2.8 V VOUT = On to Off q 0.25 0.75 V Shutdown Pin Current VSHDN = 0V q 1.3 5 µA (Note 7) Quiescent Current in IVIN1: VIN1 = 20V, VIN2 = 6V, VSHDN = 0V q 512 µA Shutdown (Note 9) IVIN2: VIN1 = 6V, VIN2 = 20V, VSHDN = 0V q 512 µA ISRC: VIN1 = VIN2 = 20V, VSHDN = 0V 3 µA |
Similar Part No. - LT1579_15 |
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Similar Description - LT1579_15 |
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