COMMON ANODE, MULTIPLEXED, 3 DIGITS WITH DECIMAL POINT
Display Height:
10 mm
Forward Current-Max:
0.015 A
Number of Functions:
3
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-35 °C
Optoelectronic Device Type:
7 SEG NUMERIC LED DISPLAY
LTC-4624B Frequently Asked Questions (FAQs)
The recommended PCB layout for optimal thermal performance involves placing the device on a 2-layer or 4-layer board with a solid ground plane on the bottom layer, and using thermal vias to connect the exposed pad to the ground plane. Additionally, keeping the copper traces wide and short can help to reduce thermal resistance.
To ensure reliable operation in high-temperature environments, it is recommended to derate the device's power dissipation according to the temperature derating curve provided in the datasheet. Additionally, using a heat sink or thermal interface material can help to reduce the device's junction temperature.
The recommended input and output capacitors for the LTC-4624B are low-ESR ceramic capacitors with a voltage rating of at least 2x the input voltage. A minimum capacitance value of 10uF is recommended for the input capacitor, and 22uF for the output capacitor.
To troubleshoot issues with the device's enable pin, first ensure that the enable pin is properly connected to a logic-level signal source. Then, verify that the enable pin is not being pulled low by an external circuit. If the issue persists, check the device's shutdown mode and ensure that it is not in shutdown mode.
The recommended method for soldering the LTC-4624B is to use a reflow soldering process with a peak temperature of 260°C. Hand soldering is not recommended due to the device's small size and lead pitch.
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LTC-4624B Overview
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