Unitrode part numbers

Unitrode (UC/UCC PWM controllers and gate drivers) was acquired by Texas Instruments in 1999.

Unitrode is now Texas Instruments (1999). We quote Unitrode parts — current, obsolete and end-of-life — and parts that carry older Unitrode markings. See also all Texas Instruments part numbers.

860 Unitrode heritage part numbers

Part-number families from Unitrode, listed under their current manufacturer.

Part numberManufacturerTypePackageKey specs
UC3833 Texas Instruments linear voltage regulator
UC3833J Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators 100mA2V
UC3842 Texas Instruments AC-DC controller IC
UC3842A Texas Instruments AC-DC controller IC
UC3842AD8TR Texas Instruments AC-DC Controllers And Regulators SOIC-8 500kHz1A
UC3842ADTR Texas Instruments AC-DC Controllers And Regulators SOIC-14 500kHz1A
UC3842AN Texas Instruments AC-DC Controllers And Regulators DIP-8 500kHz1A
UC3842D Texas Instruments AC-DC Controllers And Regulators SOIC-14 100kHz~500kHz200mA
UC3843 Texas Instruments AC-DC controller IC
UC3843A Texas Instruments AC-DC controller IC
UC3843AD8TR Texas Instruments AC-DC Controllers And Regulators SOIC-8 52kHz1A
UC3843ADTR Texas Instruments DC-DC Controllers SOIC-14 500kHz7.6V~30V
UC3843AN Texas Instruments AC-DC Controllers And Regulators DIP-8 500kHz1A
UC3843D8TR Texas Instruments AC-DC Controllers And Regulators SOIC-8 100kHz~500kHz200mA
UC3843DTR Texas Instruments AC-DC Controllers And Regulators SOIC-14 500kHz200mA
UC3844 Texas Instruments AC-DC controller IC
UC3844A Texas Instruments AC-DC controller IC
UC3844AD8 Texas Instruments AC-DC Controllers And Regulators SOIC-8 26kHz1A
UC3844AD8TR Texas Instruments AC-DC Controllers And Regulators SOIC-8 500kHz1A
UC3844AN Texas Instruments AC-DC Controllers And Regulators DIP-8 500kHz1A
UC3844D8 Texas Instruments AC-DC Controllers And Regulators SOIC-8 12V~28V0°C~+70°C
UC3844DTR Texas Instruments AC-DC Controllers And Regulators SOIC-14 50kHz~250kHz1A
UC3845 Texas Instruments AC-DC controller IC
UC3845A Texas Instruments AC-DC controller IC
UC3845AD8TR Texas Instruments AC-DC Controllers And Regulators SOIC-8 500kHz1A
UC3845ADTR Texas Instruments AC-DC Controllers And Regulators SOIC-14 500kHz1A
UC3845AN Texas Instruments AC-DC Controllers And Regulators DIP-8 500kHz1A
UC3845D8TR Texas Instruments AC-DC Controllers And Regulators SOIC-8 500kHz200mA
UC3845N Texas Instruments AC-DC Controllers And Regulators DIP-8 50kHz~250kHz200mA
UC3846 Texas Instruments AC-DC controller IC
UC3846DWTR Texas Instruments AC-DC Controllers And Regulators SOIC-16-300mil 500kHz500mA
UC3846N Texas Instruments DC-DC Converters DIP-16 500kHz500mA
UC385 Texas Instruments AC-DC controller IC
UC3854 Texas Instruments AC-DC controller IC
UC3854B Texas Instruments AC-DC controller IC
UC3854BDWTR Texas Instruments AC-DC Controllers And Regulators SOIC-16-300mil 120kHz, 80kHz1A
UC3854DWTR Texas Instruments AC-DC Controllers And Regulators SOIC-16-300mil 10mA1.5mA
UC3856 Texas Instruments DC-DC converter IC
UC3856DWTR Texas Instruments DC-DC Converters SOIC-16-300mil 170kHz~230kHz5V~5.25V
UC3856N Texas Instruments DC-DC Converters PDIP-16 170kHz~230kHz2A, 500mA
UC385TDKTTT-ADJG3 Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators DDPAK-5(TO-263-5) 5A1.2V~2.5V
UC3865 Texas Instruments AC-DC controller IC
UC3865DW Texas Instruments AC-DC Controllers And Regulators SOIC-16-300mil 10kHz~1MHz10.5V~22V
UC3875 Texas Instruments AC-DC controller IC
UC3875DWPTR Texas Instruments AC-DC Controllers And Regulators SOIC-28-300mil 1MHz9.5V~20V
UC3906 Texas Instruments power management IC
UC3906DW Texas Instruments Battery Management ICs SOIC-16-300mil 1.6mA25mA
UC3907 Texas Instruments battery management IC
UC3907N Texas Instruments Battery Management PDIP-16 4.5V~35V0°C~+70°C
UC7812ACT Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators 1A12V
UCC12040 Texas Instruments power management IC
UCC12040DVE Texas Instruments Isolated DC/DC Converters SOIC-16-300mil 8MHz3kV
UCC12050 Texas Instruments power management IC
UCC12050DVER Texas Instruments Isolated DC/DC Converters SOIC-16-300mil 8MHz5kV
UCC20225 Texas Instruments isolator IC
UCC20225A-Q1 Texas Instruments isolator IC
UCC20225NPLR Texas Instruments Isolators - Gate Drivers VLGA-13(5x5) 6A2500V
UCC20225-Q1 Texas Instruments isolator IC
UCC20520 Texas Instruments isolator IC
UCC21220 Texas Instruments isolator IC

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Frequently asked questions

Is Unitrode still in business?

Unitrode (UC/UCC PWM controllers and gate drivers) was acquired by Texas Instruments in 1999.

Can I still buy Unitrode parts?

Yes. PartnerSemi quotes Unitrode part numbers, including obsolete and end-of-life parts and parts with old Unitrode 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 Unitrode or Texas Instruments distributor.

PartnerSemi is not affiliated with Unitrode or Texas Instruments. Brand names are used to identify parts only.