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
LM26400YMHX/NOPB Texas Instruments DC-DC Converters TSSOP-16-EP 500kHz2A
LM26400YSD Texas Instruments DC-DC Converters WSON-16(5x5) 520kHz2A
LM2641 Texas Instruments DC-DC converter IC
LM2642 Texas Instruments power management IC
LM26420 Texas Instruments power management IC
LM26420-Q1 Texas Instruments power management IC
LM26420Q1XMHX/NOPB Texas Instruments DC-DC Converters HTSSOP-20-EP 2.2MHz2A
LM26420XMH/NOPB Texas Instruments DC-DC Converters HTSSOP-20-EP 2.2MHz2A
LM26420XSQ/NOPB Texas Instruments DC-DC Converters QFN-16-EP(4x4) 2.2MHz2A
LM26420XSQX/NOPB Texas Instruments DC-DC Converters WQFN-16-EP(4x4) 1.85MHz~2.65MHz2A
LM26420YMH/NOPB Texas Instruments DC-DC Converters HTSSOP-20-EP 550kHz2A
LM2647 Texas Instruments DC-DC converter IC
LM26480 Texas Instruments DC-DC converter IC
LM26480-Q1 Texas Instruments DC-DC converter IC
LM26480QSQ-CF/NOPB Texas Instruments DC-DC Converters WQFN-24-EP(4x4) 2.1MHz300mA, 1.5A
LM26480QSQX-8D/NOPB Texas Instruments Linear Voltage Regulators (LDO) WQFN-24-EP(4x4) 1.7MHz~2.5MHz1.5A
LM26480SQ-AA/NOPB Texas Instruments DC-DC Converters WQFN-24-EP(4x4) 300mA, 1.5A2.8V~5.5V
LM26484 Texas Instruments DC-DC converter IC
LM2650 Texas Instruments DC-DC converter IC
LM2650M-ADJ/NOPB Texas Instruments DC-DC Converters SOIC-24-300mil 90kHz3A
LM2651 Texas Instruments DC-DC converter IC
LM2651MTC-3.3/NOPB Texas Instruments DC-DC Converters TSSOP-16 300kHz1.5A
LM2651MTC-ADJ/NOPB Texas Instruments DC-DC Converters TSSOP-16 300kHz1.5A
LM2651MTCX-3.3/NOPB Texas Instruments DC-DC Converters TSSOP-16 300kHz1.5A
LM2653 Texas Instruments DC-DC converter IC
LM2653MTC-ADJ/NOPB Texas Instruments DC-DC Converters TSSOP-16 300kHz1.5A
LM2655 Texas Instruments DC-DC converter IC
LM2655MTC-3.3/NOPB Texas Instruments DC-DC Converters TSSOP-16 300kHz2.5A
LM2655MTC-ADJ/NOPB Texas Instruments DC-DC Converters TSSOP-16 300kHz2.5A
LM2660 Texas Instruments DC-DC converter IC
LM2660M/NOPB Texas Instruments Charge Pumps SOIC-8 5kHz, 40kHz100mA
LM2660MX/NOPB Texas Instruments Charge Pumps SOIC-8 5kHz100mA
LM2662 Texas Instruments DC-DC converter IC
LM2662M/NOPB Texas Instruments Charge Pumps SOIC-8 10kHz200mA
LM2662MX/NOPB Texas Instruments Charge Pumps SOIC-8 10kHz200mA
LM2663 Texas Instruments DC-DC converter IC
LM2663M/NOPB Texas Instruments DC-DC Converters SOIC-8 75kHz200mA
LM2663MX/NOPB Texas Instruments Charge Pumps SOIC-8 75kHz200mA
LM2664 Texas Instruments DC-DC converter IC
LM2664M6/NOPB Texas Instruments Charge Pumps SOT-23-6 80kHz40mA
LM2664M6X/NOPB Texas Instruments Charge Pumps SOT-23-6 80kHz40mA
LM2665 Texas Instruments DC-DC converter IC
LM2665M6X/NOPB Texas Instruments Charge Pumps SOT-23-6 80kHz40mA
LM2670 Texas Instruments DC-DC converter IC
LM2670S-3.3/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-7) 260kHz3A
LM2670S-5.0/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-7) 260kHz3A
LM2670S-ADJ/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-7) 260kHz~280kHz3A
LM2670T-12/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz3A
LM2670T-5.0/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz3A
LM2670T-ADJ/NOPB Texas Instruments DC-DC Converters TO-220-7 260kHz3A
LM2671 Texas Instruments DC-DC converter IC
LM2671M-12/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz500mA
LM2671M-3.3/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz500mA
LM2671M-5.0/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz500mA
LM2671M-ADJ/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz500mA
LM2671MX-5.0/NOPB Texas Instruments DC-DC Converters SOIC-8 260kHz500mA
LM2671N-12/NOPB Texas Instruments DC-DC Converters PDIP-8 260kHz500mA
LM2671N-5.0/NOPB Texas Instruments DC-DC Converters PDIP-8 260kHz500mA
LM2671N-ADJ/NOPB Texas Instruments DC-DC Converters PDIP-8 260kHz500mA
LM2672 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.