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LTC3405A-1.5 Datasheet(PDF) 3 Page - Linear Technology |
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LTC3405A-1.5 Datasheet(HTML) 3 Page - Linear Technology |
3 / 16 page 3 LTC3406 LTC3406-1.5/LTC3406-1.8 3406fa SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VRUN RUN Threshold ● 0.3 1 1.5 V IRUN RUN Leakage Current ● ±0.01 ±1 µA The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. VIN = 3.6V unless otherwise specified. ELECTRICAL CHARACTERISTICS Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: The LTC3406E is guaranteed to meet performance specifications from 0°C to 70°C. Specifications over the –40°C to 85°C operating temperature range are assured by design, characterization and correlation with statistical process controls. Note 3: TJ is calculated from the ambient temperature TA and power dissipation PD according to the following formula: LTC3406: TJ = TA + (PD)(250°C/W) Note 4: The LTC3406 is tested in a proprietary test mode that connects VFB to the output of the error amplifier. Note 5: Dynamic supply current is higher due to the gate charge being delivered at the switching frequency. TYPICAL PERFOR A CE CHARACTERISTICS Efficiency vs Input Voltage Efficiency vs Output Current Efficiency vs Output Current Efficiency vs Output Current Reference Voltage vs Temperature Oscillator Frequency vs Temperature (From Figure1a Except for the Resistive Divider Resistor Values) INPUT VOLTAGE (V) 2 50 55 65 70 75 100 85 3 4 3406 G01 60 90 95 80 5 6 IOUT = 600mA VOUT = 1.8V IOUT = 100mA IOUT = 10mA IOUT = 0.1mA IOUT = 1mA OUTPUT CURRENT (mA) 70 80 90 95 0.1 10 100 1000 3406 G02 60 1 85 75 65 VOUT = 1.2V VIN = 2.7V VIN = 4.2V VIN = 3.6V OUTPUT CURRENT (mA) 70 80 90 95 0.1 10 100 1000 3406 G03 60 1 85 75 65 VOUT = 1.5V VIN = 2.7V VIN = 4.2V VIN = 3.6V OUTPUT CURRENT (mA) 70 80 85 95 100 0.1 10 100 1000 3406 G04 60 1 90 75 65 VOUT = 2.5V VIN = 2.7V VIN = 4.2V VIN = 3.6V TEMPERATURE (°C) –50 0.614 0.609 0.604 0.599 0.594 0.589 0.584 25 75 –25 0 50 100 125 VIN = 3.6V 3406 G05 TEMPERATURE (°C) –50 1.70 1.65 1.60 1.55 1.50 1.45 1.40 1.35 1.30 25 75 –25 0 50 100 125 VIN = 3.6V 3406 G06 |
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