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
LP2951DR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8 100mA1.235V~30V, 5V
LP2951JAN Texas Instruments linear voltage regulator
LP2951-N Texas Instruments linear voltage regulator
LP2951-Q1 Texas Instruments linear voltage regulator
LP2952-N Texas Instruments linear voltage regulator
LP2953 Texas Instruments linear voltage regulator
LP2953QML Texas Instruments linear voltage regulator
LP2953QML-SP Texas Instruments linear voltage regulator
LP2954 Texas Instruments linear voltage regulator
LP2954A Texas Instruments linear voltage regulator
LP2954IMX/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOIC-8-150mil 250mA1.23V~29V
LP2957 Texas Instruments linear voltage regulator
LP2957A Texas Instruments linear voltage regulator
LP2960 Texas Instruments linear voltage regulator
LP2966 Texas Instruments linear voltage regulator
LP2975AIMM-3.3/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators VSSOP-8 3.3V24V
LP2980-ADJ Texas Instruments linear voltage regulator
LP2980AIM5-3.0/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 50mA3V
LP2980AIM5-5.0/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 50mA5V
LP2980AIM5X-5.0/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 50mA5V
LP2980AITPX-157 Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators USMD-5(0.9x1.1) 50mA1.57V
LP2980IM5-5.0/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 50mA5V
LP2980IM5-ADJ/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 50mA1.23V~15V
LP2980IM5X-3.0/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 50mA3V
LP2980IM5X-3.3/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 50mA3.3V
LP2980IM5X-5.0 Texas Instruments Linear Voltage Regulators (LDO) SOT-23-5 50mA5V
LP2980IM5X-5.0/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 50mA5V
LP2980-N Texas Instruments linear voltage regulator
LP2981 Texas Instruments linear voltage regulator
LP2981-29DBVR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA63dB@(1kHz)
LP2981-30DBVR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA3V
LP2981-33DBVR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA3.3V
LP2981-33DBVTE4 Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA3.3V
LP2981A Texas Instruments linear voltage regulator
LP2981AIM5-3.0/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA3V
LP2981AIM5-3.3/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA3.3V
LP2981IM5-3.3/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA3.3V
LP2981IM5-5.0/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 100mA5V
LP2981-N Texas Instruments linear voltage regulator
LP2982 Texas Instruments linear voltage regulator
LP2983 Texas Instruments linear voltage regulator
LP2985 Texas Instruments linear voltage regulator
LP2985-18DBVR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA1.8V
LP2985-28DBVR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA2.8V
LP2985-33DBVR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA3.3V
LP2985-33DBVRM3 Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA3.3V
LP2985-33DBVT Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA3.3V
LP2985-50DBVR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA5V
LP2985-50DBVT Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA5V
LP2985A Texas Instruments linear voltage regulator
LP2985A-10DBVR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA10V
LP2985A-18DBVR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA1.8V
LP2985A-33DBVR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA3.3V
LP2985A-33DBVRM3 Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA3.3V
LP2985A-33DBVT Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA3.3V
LP2985A-50DBVR Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA5V
LP2985A-50DBVT Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA5V
LP2985AIM5-3.0/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA3V
LP2985AIM5-3.3/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA3.3V
LP2985AIM5-3.6/NOPB Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators SOT-23-5 150mA3.6V

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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.