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Product Detailed Parameters
- Description：IC REG LIN POS ADJ 1.5A 8-WSON
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：29V
- Voltage - Output (Min/Fixed)：1.2V
- Voltage - Output (Max)：15V
- Voltage Dropout (Max)：1.5V @ 1.5A
- Current - Output：1.5A
- Current - Quiescent (Iq)：5 mA
- Current - Supply (Max)：10 mA
- PSRR：75dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：8-WDFN Exposed Pad
- Supplier Device Package：8-WSON (4x4)
- Grade：-
- Qualification：-
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Overview
The LM1086ILD-ADJ/NOPB is a positive adjustable Low Dropout (LDO) linear regulator manufactured by Texas Instruments. It provides an output current of up to 1.5A with a maximum input voltage of 30V and a minimum input voltage of 2.6V. The device features a typical dropout voltage of 1.3V at full load, with a maximum of 1.5V. The adjustable output voltage ranges from 1.25V to 27.5V. It utilizes a TO-263-3 (D2PAK) surface-mount package and operates within a temperature range of -40°C to +125°C.
Feature Summary
- Integrated zener-trimmed band gap reference for precise voltage regulation
- Built-in thermal shutdown and current limiting protection circuits
- Compatible pin-out with industry standard LM317 regulators
Applications
- Battery-powered systems requiring efficient power management
- Post-regulation for switching power supplies
- Linear regulators in portable equipment
Procurement Notes
Verify the specific suffix 'NOPB' confirms lead-free and RoHS compliance status as per manufacturer documentation. Ensure the ordering part number matches the exact package type and temperature rating required for the application environment. Cross-reference datasheet specifications against supplier certificates to confirm material composition and environmental standards before finalizing procurement orders.
Selection Notes
Select this component when a high-current 1.5A LDO solution is needed with low dropout characteristics. The adjustable version allows flexibility in setting output voltages using external resistors. Consider the thermal performance of the D2PAK package and ensure adequate PCB copper area or heatsinking is available to dissipate heat effectively under maximum load conditions and elevated ambient temperatures.
Part Context
This device belongs to the LM1086 family of positive LDO regulators from Texas Instruments. The family includes both fixed and adjustable output variants across various packages such as TO-220 and WSON. The LM1086 series is designed to replace older three-terminal adjustable regulators like the LM317, offering improved line and load regulation along with integrated protection features in a compact surface-mount form factor.
Replacement Considerations
- LM1086IS-ADJ/NOPB
- LM1086IT-ADJ/NOPB
FAQ
What is the typical dropout voltage of the LM1086ILD-ADJ/NOPB?
The typical dropout voltage is 1.3V at a load current of 1.5A.
Does the LM1086ILD-ADJ/NOPB include protection features?
Yes, it includes internal current limiting and thermal shutdown protection.
