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
LM3409QHVMY/NOPB Texas Instruments LED Drivers HVSSOP-10-EP-0.5mm 9V~75V1
LM3409QHVMYX/NOPB Texas Instruments LED Drivers HVSSOP-10-EP-0.5mm 5A9V~75V
LM3409QMY/NOPB Texas Instruments LED Drivers HVSSOP-10-EP-0.5mm 6V~42V1
LM3409QMYX/NOPB Texas Instruments LED Drivers HVSSOP-10-EP-0.5mm 6V~42V1
LM340AT-5.0 Texas Instruments Linear Voltage Regulators (LDO) TO-220 1A5V
LM340AT-5.0/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-220 1.5A5V
LM340L Texas Instruments linear voltage regulator
LM340LAZ-5.0 Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-92-3
LM340LAZ-5.0/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-92 100mA5V
LM340-MIL Texas Instruments battery management IC
LM340MP-5.0/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-223 1A5V
LM340S-5.0/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-263-3 1.5A5V
LM340SX-12/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DDPAK(TO-263-3) 1.5A12V
LM340T-12/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-220 1A12V
LM340T-15/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators TO-220 1.5A15V
LM341 Texas Instruments driver IC
LM3410 Texas Instruments driver IC
LM3410-Q1 Texas Instruments battery management IC
LM3410XMF/NOPB Texas Instruments LED Drivers SOT-23-5 1.6MHz2.8A
LM3410XSDE/NOPB Texas Instruments LED Drivers WSON-6-EP(3x3) 1.6MHz3V~24V
LM3410YMFX/NOPB Texas Instruments LED Drivers SOT-23-5 525kHz2.8A
LM3410YMY/NOPB Texas Instruments LED Drivers HVSSOP-8 525kHz2.8A
LM3410YMYX/NOPB Texas Instruments LED Drivers HVSSOP-8 525kHz3V~24V
LM3410YQMFX/NOPB Texas Instruments LED Drivers SOT-23-5 525kHz2.8A
LM3410YSD/NOPB Texas Instruments LED Drivers WSON-6-EP(3x3) 525kHz2.1A
LM3411 Texas Instruments battery management IC
LM3414 Texas Instruments driver IC
LM3414HV Texas Instruments driver IC
LM3414HVMRX/NOPB Texas Instruments LED Drivers SOIC-8-EP 250kHz~1MHz1A
LM3414HVSD/NOPB Texas Instruments LED Drivers WSON-8-EP(3x3) 500kHz1A
LM3414MRX/NOPB Texas Instruments LED Drivers ESOP-8 500kHz1A
LM3420 Texas Instruments battery management IC
LM3420M5X-8.4/NOPB Texas Instruments Battery Management SOT-23-5 8.4V15mA
LM3421 Texas Instruments driver IC
LM3421MH/NOPB Texas Instruments LED Drivers TSSOP-16-EP 4.5V~75V1
LM3421MHX/NOPB Texas Instruments LED Drivers TSSOP-16-EP 4.5V~75V-40°C~+125°C
LM3421Q0MHX/NOPB Texas Instruments LED Drivers HTSSOP-20-EP 2MHz4.5V~75V
LM3421-Q1 Texas Instruments driver IC
LM3421Q1MH/NOPB Texas Instruments LED Drivers HTSSOP-16 2MHz4.5V~75V
LM3423 Texas Instruments driver IC
LM3423-Q1 Texas Instruments driver IC
LM3423Q1MHX/NOPB Texas Instruments LED Drivers HTSSOP-20-EP 2MHz4.5V~75V
LM3424 Texas Instruments driver IC
LM3424MHX/NOPB Texas Instruments LED Drivers HTSSOP-20-EP 164kHz~669kHz1A
LM3424-Q1 Texas Instruments battery management IC
LM3424QMHX/NOPB Texas Instruments LED Drivers HTSSOP-20-EP 250kHz1A
LM3429 Texas Instruments driver IC
LM3429MH/NOPB Texas Instruments LED Drivers TSSOP-14 2MHz4.5V~75V
LM3429MHX/NOPB Texas Instruments LED Drivers HTSSOP-14-EP 2MHz4.5V~75V
LM3429-Q1 Texas Instruments driver IC
LM3429Q1MH/NOPB Texas Instruments LED Drivers HTSSOP-14 2MHz4.5V~75V
LM3429Q1MHX/NOPB Texas Instruments LED Drivers HTSSOP-14-EP 2MHz4.5V~75V
LM3431 Texas Instruments driver IC
LM3431MHX/NOPB Texas Instruments LED Drivers HTSSOP-28-EP 200kHz~1MHz200mA
LM3431-Q1 Texas Instruments battery management IC
LM3435 Texas Instruments battery management IC
LM3444 Texas Instruments driver IC
LM3444MA/NOPB Texas Instruments LED Drivers SOIC-8 30kHz~1MHz1A
LM3445 Texas Instruments driver IC
LM3445MM/NOPB Texas Instruments LED Drivers VSSOP-10-0.5mm 5.85kHz1A

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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.