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
LM51561H-Q1 Texas Instruments DC-DC converter IC
LM51561-Q1 Texas Instruments DC-DC converter IC
LM5156H Texas Instruments DC-DC converter IC
LM5156H-Q1 Texas Instruments DC-DC converter IC
LM5156-Q1 Texas Instruments DC-DC converter IC
LM5157 Texas Instruments DC-DC converter IC
LM51571-Q1 Texas Instruments DC-DC converter IC
LM5157-Q1 Texas Instruments DC-DC converter IC
LM5158 Texas Instruments DC-DC converter IC
LM51581 Texas Instruments DC-DC converter IC
LM51581-Q1 Texas Instruments DC-DC converter IC
LM5158-Q1 Texas Instruments DC-DC converter IC
LM5160 Texas Instruments power management IC
LM5160A Texas Instruments DC-DC converter IC
LM5160ADNTJ Texas Instruments DC-DC Converters WSON-12-EP(4x4) 300kHz2A
LM5160ADNTR Texas Instruments DC-DC Converters WSON-12-EP(4x4) 1MHz2A
LM5160ADNTT Texas Instruments DC-DC Converters WSON-12-EP(4x4) 1MHz2A
LM5160DNTJ Texas Instruments DC-DC Converters WSON-12-EP(4x4) 1MHz2A
LM5160DNTR Texas Instruments DC-DC Converters WSON-12-EP(4x4) 1MHz2A
LM5160-Q1 Texas Instruments DC-DC converter IC
LM5160QPWPRQ1 Texas Instruments DC-DC Converters HTSSOP-14-EP 1MHz2A
LM5161 Texas Instruments power management IC
LM5161PWPR Texas Instruments DC-DC Converters HTSSOP-14-EP 1MHz1A
LM5161-Q1 Texas Instruments DC-DC converter IC
LM5161QPWPRQ1 Texas Instruments DC-DC Converters HTSSOP-14-EP 1MHz1A
LM5161QPWPTQ1 Texas Instruments DC-DC Converters HTSSOP-14-EP 1MHz1A
LM5163 Texas Instruments DC-DC converter IC
LM5163H-Q1 Texas Instruments DC-DC converter IC
LM5163-Q1 Texas Instruments DC-DC converter IC
LM5164 Texas Instruments DC-DC converter IC
LM5164DDAR Texas Instruments DC-DC Converters SO-8-EP 1MHz1A
LM5164-Q1 Texas Instruments DC-DC converter IC
LM5165 Texas Instruments DC-DC converter IC
LM5165DRCR Texas Instruments DC-DC Converters SON-10-EP(3.1x3.1) 150mA1.223V~65V
LM5165-Q1 Texas Instruments DC-DC converter IC
LM5165XQDGSRQ1 Texas Instruments DC-DC Converters VSSOP-10 220kHz150mA
LM5166 Texas Instruments power management IC
LM5166DRCT Texas Instruments DC-DC Converters VSON-10-EP(3x3) 600kHz500mA
LM5168 Texas Instruments DC-DC converter IC
LM5168E Texas Instruments DC-DC converter IC
LM5168-Q1 Texas Instruments DC-DC converter IC
LM5169 Texas Instruments DC-DC converter IC
LM5169-Q1 Texas Instruments DC-DC converter IC
LM5170 Texas Instruments DC-DC converter IC
LM5170-Q1 Texas Instruments DC-DC converter IC
LM5171 Texas Instruments DC-DC converter IC
LM5171-Q1 Texas Instruments DC-DC converter IC
LM5175 Texas Instruments DC-DC converter IC
LM5175PWPR Texas Instruments DC-DC Converters HTSSOP-28 100kHz~600kHz800mV~55V
LM5175PWPT Texas Instruments DC-DC Controllers HTSSOP-28-EP-4.5mm 600kHz800mV~55V
LM5175-Q1 Texas Instruments DC-DC converter IC
LM5175QPWPRQ1 Texas Instruments DC-DC Converters HTSSOP-28 100kHz~600kHz800mV~55V
LM5175RHFR Texas Instruments DC-DC Controllers QFN-28-EP(4x5) 100kHz~600kHz800mV~55V
LM5176 Texas Instruments power management IC
LM5176PWPR Texas Instruments DC-DC Converters HTSSOP-28-EP 600kHz2A
LM5176PWPT Texas Instruments DC-DC Controllers HTSSOP-28-EP-4.5mm 600kHz800mV~55V
LM5176-Q1 Texas Instruments DC-DC converter IC
LM5177 Texas Instruments DC-DC converter IC
LM51770 Texas Instruments DC-DC converter IC
LM517701 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.