- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for LOC111S
- Part Number LOC111S
- Manufacturer LITTELFUSE
- Pin Count 8
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - 8-Pin Surface Mount_2023
- Released Date Feb 23, 2023
- Last Modified Date Nov 3, 2023 6:27 AM UTC
- Pinout / Pin List Click Here (Member Only)
LOC111S Details
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Manufacturer Part Number:
LOC111S
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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HTS Code:
8541.40.80.00
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Manufacturer:
Littelfuse Inc
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Additional Feature:
IEC-60950-1, UL RECOGNIZED
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Configuration:
DUAL, SIMULTANEOUS OPERATION
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JESD-609 Code:
e3
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Mounting Feature:
SURFACE MOUNT
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Number of Terminals:
8
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Operating Temperature-Max:
85 °C
LOC111S Frequently Asked Questions (FAQs)
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A good PCB layout for the LOC111S should ensure that the input and output pins are separated as much as possible to minimize noise coupling. Additionally, the PCB should have a solid ground plane and a low-impedance path for the output current. It's also recommended to use a small footprint and a low-inductance path for the sense resistor.
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The sense resistor value depends on the desired overcurrent threshold and the maximum current rating of the LOC111S. A smaller sense resistor value will result in a lower overcurrent threshold, while a larger value will result in a higher threshold. The datasheet provides a formula to calculate the sense resistor value based on the desired overcurrent threshold.
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The response time of the LOC111S is typically around 1-2 microseconds, depending on the sense resistor value and the overcurrent threshold. This fast response time helps to protect the system from damage due to overcurrent conditions.
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The LOC111S is rated for operation up to 125°C, but its performance may degrade at higher temperatures. It's recommended to derate the device's current rating and sense resistor value according to the temperature derating curve provided in the datasheet.
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The LOC111S has an internal reset circuit that resets the device after the overcurrent condition is removed. However, it's recommended to add an external reset capacitor to ensure that the device is properly reset and to prevent false triggering.
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LOC111S Overview
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