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
LM25119PSQE/NOPB Texas Instruments DC-DC Controllers WQFN-32-EP(5x5) 750kHz4.5V~42V
LM25119PSQ/NOPB Texas Instruments DC-DC Converters WQFN-32-EP(5x5) 750kHz3.3A
LM25122QPWPRQ1 Texas Instruments DC-DC Controllers HTSSOP-20-EP 450kHz3V~42V
LM25122QPWPTQ1 Texas Instruments DC-DC Controllers HTSSOP-20-EP 450kHz3V~42V
LM25145 Texas Instruments power management IC
LM25145RGYT Texas Instruments DC-DC Controllers VQFN-20-EP(3.5x4.5) 1MHz800mV~40V
LM25149 Texas Instruments DC-DC converter IC
LM25149QRGYRQ1 Texas Instruments DC-DC Converters VQFN-24(3.5x5.5) 100kHz~2.2MHz800mV~36V
LM25574 Texas Instruments DC-DC converter IC
LM25574MT/NOPB Texas Instruments DC-DC Converters TSSOP-16 1MHz500mA
LM25574MTX/NOPB Texas Instruments DC-DC Converters TSSOP-16 1MHz500mA
LM25574QMT/NOPB Texas Instruments DC-DC Converters TSSOP-16 1MHz500mA
LM25575 Texas Instruments DC-DC converter IC
LM25575MH/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 1MHz1.5A
LM25575MHX/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 50kHz~1MHz1.5A
LM25575QMH/NOPB Texas Instruments DC-DC Converters HTSSOP-16-EP 1MHz1.5A
LM25576 Texas Instruments DC-DC converter IC
LM25576MH/NOPB Texas Instruments DC-DC Converters HTSSOP-20-EP 50kHz~1MHz3A
LM25576MHX Texas Instruments DC-DC Converters HTSSOP-20-EP 200kHz, 485kHz3A
LM25576MHX/NOPB Texas Instruments DC-DC Converters TSSOP-20-EP 1MHz3A
LM25576QMH/NOPB Texas Instruments DC-DC Converters HTSSOP-20-EP 1MHz3A
LM2574 Texas Instruments DC-DC converter IC
LM2574HV Texas Instruments DC-DC converter IC
LM2574HVM-12/NOPB Texas Instruments DC-DC Converters SOIC-14-300mil 52kHz500mA
LM2574HVM-5.0/NOPB Texas Instruments DC-DC Converters SOIC-14-300mil 52kHz500mA
LM2574HVMX-3.3/NOPB Texas Instruments DC-DC Converters SOIC-14-300mil 52kHz500mA
LM2574HVMX-5.0/NOPB Texas Instruments DC-DC Converters SOIC-14-300mil 52kHz500mA
LM2574HVMX-ADJ/NOPB Texas Instruments DC-DC Converters SOIC-14-300mil 52kHz500mA
LM2574HVN-5.0/NOPB Texas Instruments DC-DC Converters PDIP-8 52kHz500mA
LM2574HVN-ADJ/NOPB Texas Instruments DC-DC Converters PDIP-8 52kHz500mA
LM2574M-5.0/NOPB Texas Instruments DC-DC Converters SOIC-14 52kHz500mA
LM2574MX-3.3/NOPB Texas Instruments DC-DC Converters SOIC-14-300mil 52kHz500mA
LM2574MX-5.0/NOPB Texas Instruments DC-DC Converters SOIC-14-300mil 52kHz500mA
LM2574MX-ADJ/NOPB Texas Instruments DC-DC Converters SOIC-14-300mil 52kHz500mA
LM2574N-12/NOPB Texas Instruments DC-DC Converters DIP-8 52kHz500mA
LM2574N-3.3/NOPB Texas Instruments DC-DC Converters PDIP-8 52kHz500mA
LM2574N-5.0/NOPB Texas Instruments DC-DC Converters DIP-8 52kHz500mA
LM2574N-ADJ/NOPB Texas Instruments DC-DC Converters PDIP-8 52kHz500mA
LM2575 Texas Instruments DC-DC converter IC
LM2575HV Texas Instruments DC-DC converter IC
LM2575HVN-5.0/NOPB Texas Instruments DC-DC Converters DIP-16 52kHz1A
LM2575HVS-12 Texas Instruments DC-DC Converters TO-263-5 52kHz1A
LM2575HVS-12/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-5) 52kHz1A
LM2575HVS-15/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz1A
LM2575HVS-3.3/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-5) 52kHz1A
LM2575HVS-5.0/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-5) 52kHz1A
LM2575HVS-ADJ/NOPB Texas Instruments DC-DC Converters DDPAK(TO-263-5) 52kHz1A
LM2575HVSX-5.0/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz1A
LM2575HVSX-ADJ Texas Instruments DC-DC Converters TO-263-5 52kHz1A
LM2575HVSX-ADJ/NOPB Texas Instruments DC-DC Converters TO-263-5 52kHz1A
LM2575HVT-12/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575HVT-12/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575HVT-15/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575HVT-3.3/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575HVT-3.3/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575HVT-5.0 Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575HVT-5.0/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575HVT-5.0/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575HVT-ADJ/LF03 Texas Instruments DC-DC Converters TO-220-5 52kHz1A
LM2575HVT-ADJ/NOPB Texas Instruments DC-DC Converters TO-220-5 52kHz1A

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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.