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LTC3564EDCB-TRPBF Datasheet(PDF) 3 Page - Linear Technology |
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LTC3564EDCB-TRPBF Datasheet(HTML) 3 Page - Linear Technology |
3 / 20 page 3 LTC3564 3564f SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IS Input DC Bias Current (Note 5) Active Mode VFB = 0.5V or VOUT = 90%, ILOAD = 0A 300 400 μA Sleep Mode VFB = 0.62V or VOUT = 103%, ILOAD = 0A 20 35 μA Shutdown VRUN = 0V, VIN = 4.2V 0.1 1 μA fOSC Oscillator Frequency VFB = 0.6V or VOUT = 100% ● 1.8 2.25 2.7 MHz RPFET RDS(ON) of P-Channel FET S5 Package 0.15 0.2 Ω DCB Package 0.15 Ω RNFET RDS(ON) of N-Channel FET S5 Package 0.15 0.2 Ω DCB Package 0.15 Ω ILSW SW Leakage VRUN = 0V, VSW = 0V or 5V, VIN = 5V ±0.01 ±1 μA VRUN RUN Threshold ● 0.3 1 1.5 V IRUN RUN Leakage Current ● ±0.01 ±1 μA tSOFTSTART Soft-Start Time VFB from 10% to 90% Full Scale 0.6 0.9 1.2 ms The ● denotes specifications which apply over the full operating junction temperature range, otherwise specifications are TA = 25°C. VIN = 3.6V unless otherwise specified. ELECTRICAL CHARACTERISTICS Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliabilty and lifetime. Note 2: The LTC3564E is guaranteed to meet performance specifications from 0 °C to 125°C junction temperature. Specifications over the –40°C to 125 °C operating junction termperature range are assured by design, characterization and correlation with statistical process controls. The LTC3564I is guaranteed over the full –40 °C to 125°C operating junction temperature range. High junction temperatures degrade operating lifetimes. Operating lifetime is derated at junction temperatures greater than 125 °C. Note 3: TJ is calculated from the ambient temperature TA and power dissipation PD according to the following formula: LTC3564ES5: TJ = TA + (PD)(215°C/W) LTC3564EDCB: TJ = TA + (PD)(64°C/W) Note 4: The LTC3564 is tested in a proprietary test mode. Note 5: Dynamic supply current is higher due to the gate charge being delivered at the switching frequency. Note 6: This IC includes overtemperature protection that is intended to protect the device during momentary overload conditions. Junction temperature will exceed 125 °C when overtemperature protection is active. Continuous operation above the specified maximum operating junction temperature may impair device reliability. |
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