Description:Display Modules - LED Character and Numeric Green 7-Segment 3 Character Common Anode 2.1V 10mA 0.512" H x 0.866" W x 0.197" D (13.00mm x 22.00mm x 5.00mm) 12-DIP (0.362", 9.20mm)
COMMON ANODE, MULTIPLEXED, 3 DIGITS WITH DECIMAL POINT
Display Height:
8 mm
Forward Current-Max:
0.02 A
JESD-609 Code:
e1
Number of Characters:
3
Number of Functions:
3
Operating Temperature-Max:
75 °C
Operating Temperature-Min:
-25 °C
Optoelectronic Device Type:
7 SEG NUMERIC LED DISPLAY
Peak Wavelength:
563 nm
Terminal Finish:
Tin/Silver/Copper (Sn/Ag/Cu)
LB-303MA Frequently Asked Questions (FAQs)
ROHM recommends a 4-layer PCB with a solid ground plane and a separate power plane for the IC. The input and output pins should be routed away from each other to minimize noise coupling. A detailed layout guide is available in the ROHM application note AN11984.
The LB-303MA requires a bias voltage of 5V ± 10% on the VCC pin, and a bias current of 10mA ± 10% on the IBIAS pin. Ensure that the bias voltage and current are stable and noise-free to achieve optimal performance.
The LB-303MA is rated for operation from -40°C to +125°C, but the maximum junction temperature (TJ) should not exceed 150°C. Ensure proper thermal design and heat sinking to maintain a safe operating temperature.
The LB-303MA is not hermetically sealed, so it's not recommended for use in high-humidity environments. If operation in humid environments is necessary, consider using a conformal coating or potting the device to protect it from moisture.
ROHM recommends using a TVS (Transient Voltage Suppressor) diode or a Zener diode with a voltage rating of 5.5V or higher to protect the LB-303MA from ESD damage. Ensure that the ESD protection device is connected as close as possible to the IC pins.
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LB-303MA Overview
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