COMMON CATHODE, MULTIPLEXED, 3 DIGITS WITH DECIMAL POINT
Display Height:
7 mm
Forward Current-Max:
0.03 A
Number of Functions:
3
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-35 °C
Optoelectronic Device Type:
7 SEG NUMERIC LED DISPLAY
LTC-2721WC Frequently Asked Questions (FAQs)
A good PCB layout for the LTC-2721WC involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces. It's also recommended to use a shielded inductor and to keep the switching node (SW) away from sensitive analog nodes.
To optimize the compensation network, start by selecting the recommended values for RCOMP and CCOMP from the datasheet. Then, adjust these values based on the specific application requirements, such as output voltage and load current. It's also important to consider the effects of component tolerances and temperature variations.
The maximum allowed input voltage for the LTC-2721WC is 28V, but it's recommended to keep the input voltage below 24V to ensure reliable operation and to prevent damage to the IC.
To ensure the LTC-2721WC operates within its SOA, monitor the input voltage, output current, and junction temperature. Make sure the input voltage is within the recommended range, the output current is below the maximum rating, and the junction temperature is below 125°C.
The EN (enable) pin on the LTC-2721WC is used to enable or disable the converter. When the EN pin is high, the converter is enabled, and when it's low, the converter is disabled. This pin can be used to implement power sequencing or to shut down the converter during idle modes.
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LTC-2721WC Overview
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