COMMON CATHODE, MULTIPLEXED, 4 DIGITS WITH DECIMAL POINT
Display Height:
10 mm
Forward Current-Max:
0.025 A
Forward Voltage-Max:
2.6 V
JESD-609 Code:
e0
Number of Characters:
4
Number of Functions:
4
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-35 °C
Optoelectronic Device Type:
7 SEG NUMERIC LED DISPLAY
Peak Wavelength:
630 nm
Terminal Finish:
Tin/Lead (Sn/Pb)
LTC-4727E 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 PCB traces as short and wide as possible can help reduce thermal resistance.
To ensure reliable operation in high-temperature environments, it is recommended to follow proper thermal design and layout guidelines, use a heat sink if necessary, and ensure that the device is operated within its specified temperature range. Additionally, using a thermistor or thermal sensor to monitor the device temperature can help prevent overheating.
The recommended input and output capacitors for the LTC-4727E are X5R or X7R ceramic capacitors with a voltage rating of at least 1.5 times the input voltage. The capacitance value should be chosen based on the specific application requirements, but a typical value is 10uF to 22uF for the input capacitor and 10uF to 47uF for the output capacitor.
To troubleshoot issues with the device not turning on or not regulating properly, check the input voltage, output voltage, and enable pin voltage to ensure they are within the specified ranges. Also, verify that the input and output capacitors are properly connected and meet the recommended specifications. If the issue persists, check for any signs of overheating or damage to the device.
Yes, the LTC-4727E can be used in a parallel configuration to increase output current. However, it is recommended to follow proper design guidelines and ensure that the devices are properly synchronized and matched to prevent oscillations and ensure stable operation.
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LTC-4727E Overview
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