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Product Detailed Parameters
- Description：IC REG LINEAR POS ADJ 3A TO3-2
- Series：-
- Mfr：Texas Instruments
- Package：Tray
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：35V
- Voltage - Output (Min/Fixed)：1.2V
- Voltage - Output (Max)：33V
- Voltage Dropout (Max)：-
- Current - Output：3A
- Current - Quiescent (Iq)：-
- Current - Supply (Max)：-
- PSRR：65dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-55°C ~ 150°C
- Mounting Type：Through Hole
- Package / Case：TO-204AA, TO-3
- Supplier Device Package：TO-3-2
- Grade：-
- Qualification：-
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Overview
The LM150K STEEL/NOPB is a positive adjustable linear regulator from Texas Instruments, part of the LM150/LM350 family. It delivers up to 3 A output current with an adjustable output voltage range of 1.2 V to 33 V. Designed for through-hole mounting in TO-3-2 packages, it supports a maximum power dissipation of 30 W and operates within a temperature range of -55 °C to +125 °C. The device features internal current limiting, thermal shutdown, and safe area compensation.
Feature Summary
- Internal current limiting and thermal overload protection
- Safe area compensation for stable operation under varying loads
- Adjustable output voltage capability
Applications
- High-current power supplies
- Adjustable voltage regulators
- Power management systems requiring robust thermal performance
Procurement Notes
Verify the exact suffix 'STEEL/NOPB' against the manufacturer's latest datasheet to confirm lead-free compliance and specific package variant. Ensure the ordering code matches the required military or industrial grade specifications if applicable. Cross-reference the Mouser or TI direct part number to avoid confusion with similar TO-3 variants.
Selection Notes
Select this component when high current handling (3 A) and wide input voltage ranges are required. The TO-3 package offers superior heat dissipation compared to smaller packages. Consider the thermal resistance and heatsinking requirements based on the expected power dissipation of 30 W at maximum load conditions.
Part Context
This part belongs to the LM150/LM350 series of 3-Amp adjustable regulators. It shares functional similarities with the LM350 but may differ in specific electrical characteristics or qualification standards. The 'STEEL' designation typically refers to the case material or construction style common in older or specialized industrial components.
Replacement Considerations
The LM350K STEEL/NOPB is a direct functional replacement within the same pinout and package configuration. Verify that the substitute part meets the same current and voltage ratings. Check for any differences in thermal resistance or packaging materials that might affect mechanical integration.
