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Product Detailed Parameters
- Description：IC REG LIN POS ADJ 1A SOT-223-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：15V
- Voltage - Output (Min/Fixed)：1.25V
- Voltage - Output (Max)：13.6V
- Voltage Dropout (Max)：1.4V @ 800mA
- Current - Output：1A
- Current - Quiescent (Iq)：10 mA
- Current - Supply (Max)：-
- PSRR：70dB (120Hz)
- Control Features：Current Limit
- Protection Features：Over Current, Over Temperature, Transient Voltage
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-261-4, TO-261AA
- Supplier Device Package：SOT-223-3
- Grade：-
- Qualification：-
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Overview
The LB1117AADBADJ is a low-dropout linear regulator manufactured by Diodes Incorporated. It provides an adjustable output voltage ranging from 1.25 V to 13.6 V with a maximum input voltage of 15 V. The device supports up to 1 A output current and features a maximum dropout voltage specification. It is housed in a TO-261-4 package and operates as a single-channel positive regulator within the power management IC category.
Feature Summary
- Adjustable output voltage capability
- Low dropout linear regulation
- Single channel positive polarity
Applications
- General purpose power supply circuits
- Battery-powered equipment
- Embedded system voltage regulation
Procurement Notes
Verify component authenticity through authorized Diodes Incorporated channels due to potential counterfeit risks. Confirm package integrity and pin alignment against official datasheet specifications before integration. Ensure storage conditions comply with moisture sensitivity levels to prevent soldering defects during assembly processes.
Selection Notes
Select this component for applications requiring stable adjustable voltage regulation under moderate load conditions. Evaluate thermal dissipation requirements based on the difference between input and output voltages at full load. Ensure the selected package variant meets the printed circuit board layout constraints and available mounting space.
Part Context
This part belongs to the LB1117 series of low-dropout regulators produced by Diodes Incorporated. It shares functional similarities with other adjustable LDO devices but is distinguished by its specific package configuration and electrical ratings. The series targets cost-sensitive applications requiring reliable linear regulation without complex external feedback networks.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative LDO regulators by matching output current, dropout voltage, and package dimensions before implementation.
