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LT8361 Datasheet(PDF) 4 Page - Linear Technology |
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LT8361 Datasheet(HTML) 4 Page - Linear Technology |
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4 / 28 page  LT8361 4 Rev 0 For more information www.analog.com ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, EN/UVLO = 12V unless otherwise noted. 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 reliability and lifetime. Note 2: INTVCC cannot be externally driven. No additional components or loading is allowed on this pin. Note 3: The LT8361E is guaranteed to meet performance specifications from 0°C to 125°C junction temperature. Specifications over the –40°C to 125°C operating junction temperature range are assured by design, characterization and correlation with statistical process controls. The LT8361I is guaranteed over the full –40°C to 125°C operating junction temperature range. The LT8361H is guaranteed over the full –40°C to 150°C operating junction temperature range. Note 4: The IC includes overtemperature protection that is intended to protect the device during overload conditions. Junction temperature will exceed 150°C when overtemperature protection is active. Continuous operation above the specified maximum operating junction temperature will reduce lifetime. Note 5: For SYNC/MODE inputs required to select modes of operation see the Pin Functions and Applications Information sections. Note 6: The IC is tested in a Boost converter configuration with the output voltage programmed for 24V. PARAMETER CONDITIONS MIN TYP MAX UNITS EN/UVLO Logic EN/UVLO Pin Threshold (Rising) Start Switching l 1.576 1.68 1.90 V EN/UVLO Pin Threshold (Falling) Stop Switching l 1.545 1.6 1.645 V EN/UVLO Pin Current VEN/UVLO = 1.6V l –50 50 nA Soft-Start Soft-Start Charge Current SS = 0.5V 2 µA Soft-Start Pull-Down Resistance Fault Condition, SS = 0.1V 220 Ω Error Amplifier Error Amplifier Transconductance FBX = 1.6V FBX = –0.8V 75 60 µA/V µA/V Error Amplifier Voltage Gain FBX = 1.6V FBX = –0.8V 185 145 V/V V/V Error Amplifier Max Source Current VC = 1.1V, Current Out of Pin 7 µA Error Amplifier Max Sink Current VC = 1.1V 7 µA |
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