Description:Display Modules - LED Character and Numeric Red 7-Segment 3 Character Common Anode 2.1V 20mA 0.504" H x 1.182" W x 0.276" D (12.80mm x 30.02mm x 7.00mm) 15-DIP (0.400", 10.16mm), 12 Leads
COMMON ANODE, MULTIPLEXED, 3 DIGITS WITH DECIMAL POINT
Display Height:
10 mm
Forward Current-Max:
0.015 A
Forward Voltage-Max:
2.6 V
JESD-609 Code:
e3
Number of Characters:
3
Number of Functions:
3
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-35 °C
Optoelectronic Device Type:
7 SEG NUMERIC LED DISPLAY
Peak Wavelength:
697 nm
Terminal Finish:
Tin (Sn)
LTC-4624P 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-4624P 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 oscillations or instability issues with the LTC-4624P, check the PCB layout for any signs of parasitic inductance or capacitance, and ensure that the input and output capacitors are properly selected and placed. Additionally, verify that the device is operated within its recommended operating conditions and that the feedback loop is properly compensated.
The recommended soldering profile for the LTC-4624P involves a peak temperature of 260°C, with a dwell time of 10-30 seconds above 220°C. The device should be soldered using a reflow soldering process, and the soldering iron should be set to a temperature of 350°C maximum.
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LTC-4624P Overview
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