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
LM2672LD-ADJ/NOPB Texas Instruments DC-DC Converters WSON-16-EP(5x5) 260kHz1A
LM2672M-5.0/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz1A
LM2672M-ADJ/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz1A
LM2672MX-5.0/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz1A
LM2672MX-ADJ/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz1A
LM2672N-12/NOPB Texas Instruments DC-DC Converters PDIP-8 260kHz1A
LM2672N-3.3/NOPB Texas Instruments DC-DC Converters PDIP-8 260kHz1A
LM2672N-5.0/NOPB Texas Instruments DC-DC Converters PDIP-8 260kHz1A
LM2673 Texas Instruments DC-DC converter IC
LM2673S-12/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-7) 260kHz3A
LM2673S-3.3/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-7) 260kHz3A
LM2673S-5.0/NOPB Texas Instruments DC-DC Converters TO-263-7 260kHz3A
LM2673S-ADJ/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-7) 260kHz3A
LM2673SD-ADJ/NOPB Texas Instruments DC-DC Converters VSON-14-EP(5x6) 260kHz3A
LM2673T-12/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz3A
LM2673T-ADJ/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz3A
LM2674 Texas Instruments DC-DC converter IC
LM2674M-12/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz500mA
LM2674M-3.3/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz500mA
LM2674M-5.0/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz500mA
LM2674M-ADJ/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz500mA
LM2674MX-5.0/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz500mA
LM2674MX-ADJ/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz500mA
LM2674N-3.3/NOPB Texas Instruments DC-DC Converters PDIP-8 260kHz500mA
LM2674N-5.0/NOPB Texas Instruments DC-DC Converters PDIP-8 260kHz500mA
LM2674N-ADJ/NOPB Texas Instruments DC-DC Converters PDIP-8 260kHz500mA
LM2675 Texas Instruments DC-DC converter IC
LM2675M-12/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz1A
LM2675M-3.3/NOPB Texas Instruments DC-DC Converters SOP-8 260kHz1A
LM2675M-5.0/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz1A
LM2675M-ADJ/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz1A
LM2675MX-3.3/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz1A
LM2675MX-5.0/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz1A
LM2675MX-ADJ/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz1A
LM2675N-12/NOPB Texas Instruments DC-DC Converters PDIP-8 260kHz1A
LM2675N-3.3/NOPB Texas Instruments DC-DC Converters PDIP-8 260kHz1A
LM2675N-5.0/NOPB Texas Instruments DC-DC Converters PDIP-8 260kHz1A
LM2675N-ADJ/NOPB Texas Instruments DC-DC Converters PDIP-8 260kHz1A
LM2676 Texas Instruments DC-DC converter IC
LM2676S-12/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-7) 260kHz3A
LM2676S-3.3/NOPB Texas Instruments DC-DC Converters TO-263-7 260kHz3A
LM2676S-5.0 Texas Instruments DC-DC Converters TO-263-7 260kHz3A
LM2676S-5.0/NOPB Texas Instruments DC-DC Converters TO-263-7 260kHz3A
LM2676SD-3.3/NOPB Texas Instruments DC-DC Converters VSON-14-EP(5x6) 260kHz3A
LM2676SDX-5.0/NOPB Texas Instruments DC-DC Converters VSON-14-EP(5x6) 260kHz3A
LM2676SX-3.3 Texas Instruments DC-DC Converters D2PAK-7(TO-263-7) Step-down type
LM2676SX-3.3/NOPB Texas Instruments DC-DC Converters TO-263-7 225kHz~280kHz3A
LM2676SX-5.0/NOPB Texas Instruments DC-DC Converters TO-263-7 260kHz3A
LM2676SX-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-7 260kHz3A
LM2676T-12/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz3A
LM2676T-3.3/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz3A
LM2676T-5.0/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz3A
LM2676T-ADJ/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz3A
LM2677 Texas Instruments DC-DC converter IC
LM2677S-12/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-7) 260kHz5A
LM2677S-3.3/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-7) 260kHz5A
LM2677S-ADJ Texas Instruments DC-DC Converters D2PAK(TO-263-7) 260kHz5A
LM2677S-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-7 260kHz5A
LM2677SX-12/NOPB Texas Instruments DC-DC Converters TO-263 260kHz5A
LM2677T-12/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz5A

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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.