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
LM2677T-3.3/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz5A
LM2677T-5.0/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz5A
LM2677T-ADJ/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz5A
LM2678 Texas Instruments DC-DC converter IC
LM2678S-12/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-7) 260kHz5A
LM2678S-3.3/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-7) 260kHz5A
LM2678S-5.0/NOPB Texas Instruments DC-DC Converters TO-263-7 260kHz5A
LM2678S-ADJ/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-7) 260kHz5A
LM2678SX-5.0/NOPB Texas Instruments DC-DC Converters TO-263-7 260kHz5A
LM2678SX-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-7 260kHz5A
LM2678T-3.3/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz5A
LM2678T-5.0/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz5A
LM2678T-ADJ/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz5A
LM2679 Texas Instruments DC-DC converter IC
LM2679S-12/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-7) 260kHz5A
LM2679S-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-7 260kHz5A
LM2679SX-12/NOPB Texas Instruments DC-DC Converters TO-263-7 260kHz5A
LM2679T-12/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz5A
LM2679T-3.3/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz5A
LM2679T-5.0/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz5A
LM2681 Texas Instruments DC-DC converter IC
LM2681M6X/NOPB Texas Instruments Charge Pumps SOT-23-6 80kHz20mA
LM2682 Texas Instruments power management IC
LM2682MM/NOPB Texas Instruments DC-DC Converters VSSOP-8-0.65mm 6kHz10mA
LM2687MM/NOPB Texas Instruments Charge Pumps MSOP-8 100kHz10mA
LM2694 Texas Instruments DC-DC converter IC
LM2694MT/NOPB Texas Instruments DC-DC Converters TSSOP-14 1MHz600mA
LM2695 Texas Instruments power management IC
LM2695MH/NOPB Texas Instruments DC-DC Converters HTSSOP-14-EP 1.25A8V~30V
LM2696 Texas Instruments power management IC
LM2696MXA/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 500kHz3A
LM2698 Texas Instruments DC-DC converter IC
LM2698MM-ADJ/NOPB Texas Instruments DC-DC Converters MSOP-8 600kHz, 1.25MHz1.9A
LM26CIM5-DPB/NOPB Texas Instruments Temperature Sensors SOT-23-5 2.7V~5.5V±3°C
LM26CIM5-RPA/NOPB Texas Instruments Temperature Sensors SOT-23-5 2.7V~5.5V±3°C
LM26CIM5-YHA/NOPB Texas Instruments Temperature Sensors SOT-23-5 2.7V~5.5V-55°C~+125°C
LM26LV Texas Instruments sensor IC
LM26LVEVM Texas Instruments Specialized Sensors
LM26LV-Q1 Texas Instruments DC-DC converter IC
LM26NV Texas Instruments DC-DC converter IC
LM27 Texas Instruments DC-DC converter IC
LM2700 Texas Instruments DC-DC converter IC
LM2700MT-ADJ/NOPB Texas Instruments DC-DC Converters TSSOP-14 600kHz, 1.25MHz3.6A
LM2700MTX-ADJ/NOPB Texas Instruments DC-DC Converters TSSOP-14 600kHz, 1.25MHz2.5A
LM2700QMT-ADJ/NOPB Texas Instruments DC-DC Converters TSSOP-14 600kHz, 1.25MHz2.55A
LM2703 Texas Instruments DC-DC converter IC
LM2703MF-ADJ/NOPB Texas Instruments DC-DC Converters SOT-23-5 350mA21V
LM2704 Texas Instruments DC-DC converter IC
LM2704MF-ADJ/NOPB Texas Instruments DC-DC Converters SOT-23-5 550mA20V
LM2705 Texas Instruments DC-DC converter IC
LM2705MF-ADJ/NOPB Texas Instruments DC-DC Converters SOT-23-5 20V2.2V~7V
LM2717 Texas Instruments DC-DC converter IC
LM2717MT-ADJ/NOPB Texas Instruments DC-DC Converters TSSOP-24 600kHz3.2A, 2.2A
LM2717MT/NOPB Texas Instruments DC-DC Converters TSSOP-24 600kHz3.2A, 2.2A
LM2727 Texas Instruments DC-DC converter IC
LM2727MTC/NOPB Texas Instruments DC-DC Converters TSSOP-14 2MHz600mV~13.2V
LM2731 Texas Instruments DC-DC converter IC
LM27313 Texas Instruments DC-DC converter IC
LM27313XMF/NOPB Texas Instruments DC-DC Converters SOT-23-5 1.6MHz800mA
LM27313XMFX/NOPB Texas Instruments DC-DC Converters SOT-23-5 1.6MHz800mA

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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.