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LTC3409A Datasheet(PDF) 4 Page - Linear Technology |
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LTC3409A Datasheet(HTML) 4 Page - Linear Technology |
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4 / 16 page  LTC3409A 4 3409af (TA = 25°C, from Typical Application on the front page except for the resistive divider resistor values) TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Input Voltage VOUT = 1.2V, Pulse-Skipping Efficiency vs Load Current, VOUT = 1.2V Reference Voltage vs Temperature Pulse-Skipping Efficiency/Power Lost vs Load Current, VOUT = 1.8V Efficiency vs Input Voltage, VOUT = 1.2V, Burst Mode Operation Efficiency vs Load Current, VOUT = 2.5V Oscillator Frequency vs Temperature Oscillator Frequency Shift vs Input Voltage TEMPERATURE (°C) –50 2.1 2.4 2.7 2.6 2.5 2.2 2.3 1.9 2.0 1.6 1.7 1.3 1.4 25 75 125 100 3409A G07 1.8 1.5 1.2 –25 0 50 VIN = 1.6V VIN = 1.6V VIN = 2.7V VIN = 2.7V OSC 2.6MHz OSC 1.7MHz VIN = 4.2V VIN = 4.2V INPUT VOLTAGE (V) 1.5 –2 0 2 fLOW 1.7MHz fHIGH 2.6MHz 5.5 3409A G08 –4 –6 –10 2.5 3.5 4.5 –8 6 4 LOAD CURRENT (mA) 0 100 60 70 80 90 40 20 50 30 10 0 1 0.01 0.1 0.001 10 3409A G01 1000 100 1 VIN = 2.5V VIN = 3.6V VIN = 4.2V VIN = 2.5V VIN = 3.6V VIN = 4.2V EFFICIENCY POWER LOST INPUT VOLTAGE (VIN) 100 60 70 80 90 40 20 50 30 10 0 2.6 3409A G02 4.6 5.5 3.6 1.6 IOUT = 0.1mA IOUT = 1mA IOUT = 10mA IOUT = 100mA IOUT = 600mA INPUT VOLTAGE (VIN) 100 60 70 80 90 40 20 50 30 10 0 2.5 3409A G03 4.5 5.5 3.5 1.5 IOUT = 0.1mA IOUT = 1mA IOUT = 100mA IOUT = 10mA IOUT = 600mA LOAD CURRENT (mA) 100 60 70 80 90 40 20 50 30 10 0 1 3409A G04 100 1000 10 0.1 2.7VIN 2.7VIN 4.2VIN 4.2VIN 3.6VIN 3.6VIN BURST PULSE-SKIPPING LOAD CURRENT (mA) 100 60 70 80 90 40 20 50 30 10 0 1 3409A G05 100 1000 10 0.1 1.6VIN 1.6VIN 3.1VIN 3.1VIN 2.5VIN 2.5VIN BURST PULSE-SKIPPING TEMPERATURE (°C) 0.616 0.614 0.615 0.612 0.610 0.613 0.611 0.609 0.608 –30 3409A G06 125 110 90 70 50 30 10 –10 –50 |
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Similar Description - LTC3409A |
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