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PQ1LA303MSPQ is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Sharp Microelectronics. Its product description is IC REG LINEAR 3V 300MA SOT89. Review the specifications below when checking this part for your BOM.
The Sharp Microelectronics PQ1LA303MSPQ is a positive fixed linear low-dropout (LDO) voltage regulator. It provides a fixed output voltage of 3.0V with a maximum continuous output current of 500mA. The device supports a maximum input voltage of 15V and features a typical dropout voltage of 0.7V at full load. It incorporates enable control functionality and includes protection mechanisms for overcurrent and thermal overload conditions. The component operates within an ambient temperature range of -40°C to 85°C and is housed in a surface-mount SOT-89 package.
Verify the specific suffix MSPQ against official Sharp Microelectronics documentation to confirm package variant and tape-and-reel specifications. Confirm RoHS compliance status as historical data indicates potential non-compliance for certain PQ1L series variants. Validate lead-free solderability requirements prior to assembly integration.
Select this component when a stable 3.0V rail is required from inputs up to 15V. Ensure the application load does not exceed 500mA continuously. Verify that the input-to-output differential remains within the specified dropout limits to maintain regulation. Consider the SOT-89 thermal performance for the expected power dissipation levels in the target enclosure.
This part belongs to the PQ1L series of linear regulators designed for general-purpose power management applications. The series offers various fixed and adjustable output options with different current ratings. The PQ1LA303MSPQ specifically addresses needs for compact, efficient 3.0V generation in space-constrained designs requiring moderate current drive capabilities.
Public confirmed substitute part numbers are not available in the provided source material.
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