National Semiconductor part numbers

National Semiconductor (LM op amps and regulators, LMV/LMH/LMP amplifiers, LP power ICs, DS90 LVDS, DP83 Ethernet PHYs, ADC08/ADC12 converters) was acquired by Texas Instruments in 2011.

National Semiconductor is now Texas Instruments (2011). We quote National Semiconductor parts — current, obsolete and end-of-life — and parts that carry older National Semiconductor markings. See also all Texas Instruments part numbers.

5,372 National Semiconductor heritage part numbers

Part-number families from National Semiconductor, listed under their current manufacturer.

Part numberManufacturerTypePackageKey specs
LM2575IN Texas Instruments DC-DC Converters PDIP-16 52kHz1A
LM2575M-5.0/NOPB Texas Instruments DC-DC Converters SOIC-24-300mil 52kHz1A
LM2575S-12/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-5) 52kHz1A
LM2575S-15/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-5) 52kHz1A
LM2575S-3.3/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-5) 52kHz1A
LM2575S-ADJ/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-5) 52kHz1A
LM2575SX-12/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz1A
LM2575Sx-3.3/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz1A
LM2575SX-5.0/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz1A
LM2575SX-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz1A
LM2575T-12/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575T-15/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575T-15/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575T-3.3/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575T-5.0/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575T-5.0/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575T-ADJ/LF02 Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575T-ADJ/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575T-ADJ/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2576 Texas Instruments DC-DC converter IC
LM2576HV Texas Instruments DC-DC converter IC
LM2576HVS-12/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz3A
LM2576HVS-ADJ/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-5) 52kHz3A
LM2576HVS-ADJ-NS Texas Instruments DC-DC Converters 52kHz3A
LM2576HVSX-12 Texas Instruments DC-DC Converters TO-263-5 52kHz3A
LM2576HVSX-12/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz3A
LM2576HVSX-5.0/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz3A
LM2576HVSX-ADJ Texas Instruments DC-DC Converters TO-263-5 52kHz3A
LM2576HVSX-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz3A
LM2576HVT-12/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576HVT-12/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576HVT-15/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576HVT-5.0 Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576HVT-5.0/LF02 Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576HVT-5.0/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576HVT-ADJ/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576S-12/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz3A
LM2576S-5.0/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz3A
LM2576SX-3.3/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz3A
LM2576SX-5.0/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz3A
LM2576SX-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz3A
LM2576T-12/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576T-15/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576T-15/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576T-3.3/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576T-3.3/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576T-5.0 Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576T-5.0/LF02 Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576T-5.0/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576T-5.0/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576T-ADJ/LF02 Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576T-ADJ/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2576T-ADJ/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2577 Texas Instruments DC-DC converter IC
LM2577S-ADJ/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-5) 52kHz3A
LM2577SX-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz3A
LM2577T-12/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2577T-ADJ/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2577T-ADJ/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz3A
LM2578A Texas Instruments DC-DC converter IC

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Frequently asked questions

Is National Semiconductor still in business?

National Semiconductor (LM op amps and regulators, LMV/LMH/LMP amplifiers, LP power ICs, DS90 LVDS, DP83 Ethernet PHYs, ADC08/ADC12 converters) was acquired by Texas Instruments in 2011.

Can I still buy National Semiconductor parts?

Yes. PartnerSemi quotes National Semiconductor part numbers, including obsolete and end-of-life parts and parts with old National Semiconductor markings. Send the part number and quantity; we reply with price, lead time, date code and origin. We are an independent distributor, not an authorized National Semiconductor or Texas Instruments distributor.

PartnerSemi is not affiliated with National Semiconductor or Texas Instruments. Brand names are used to identify parts only.