Description:Single Digit LED Numeric Displays : 5 packaged of character height 8mm, 10.16mm, 13mm, 14.6mm and 25.4mm are in lineup. Blue-color emission types are available for packages of character height 8mm, 10.16mm and 14.6mm.
ROHM recommends a 4-layer PCB with a solid ground plane and a separate power plane for the LA-601VB. The input and output pins should be placed on opposite sides of the IC to minimize noise coupling. Additionally, a 10nF decoupling capacitor should be placed close to the VCC pin.
To ensure the LA-601VB operates within its recommended operating conditions, the input voltage should be within the range of 4.5V to 5.5V, and the ambient temperature should be between -40°C to 85°C. Additionally, the device should be operated within its recommended power dissipation rating of 500mW.
Although the recommended input voltage range is 4.5V to 5.5V, the LA-601VB can tolerate an absolute maximum input voltage of 6.5V for a short duration (less than 10ms). However, it's essential to ensure the input voltage remains within the recommended range for reliable operation.
While the LA-601VB is rated for operation up to 85°C, it's essential to consider the device's power dissipation and thermal resistance when operating in high-temperature environments. ROHM recommends derating the power dissipation by 2.5mW/°C above 25°C to ensure reliable operation.
To troubleshoot issues with the LA-601VB, start by verifying the PCB layout and ensuring that the input and output pins are properly decoupled. Check the input voltage and ensure it's within the recommended range. Also, verify that the device is operated within its recommended power dissipation rating. If issues persist, consult ROHM's application notes and technical support resources for further guidance.
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LA-601VB Overview
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