TO-263-8, D²Pak (7 Leads + Tab), TO-263CA

Integrated Circuits (ICs)

LM2673S-5.0

LTB

Texas Instruments

IC REG BUCK 5V 3A DDPAK

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Integrated Circuits (ICs)

LM2673S-5.0

LTB

Texas Instruments

IC REG BUCK 5V 3A DDPAK

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LM2673S-5.0

Current - Output	3 A
Frequency - Switching	260 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	1.81 mOhm
Package / Case	D2PAK (7 Leads + Tab), TO-263-8, TO-263CA
Supplier Device Package	TO-263 (DDPAK-7)
Synchronous Rectifier	False
Topology	Buck
Voltage - Input (Min) [Min]	8 V
Voltage - Output (Min/Fixed)	5 V

LM2673 Series

Part	Mounting Type	Output Type	Output Configuration	Package / Case	Number of Outputs	Frequency - Switching	Function	Voltage - Output (Max)	Supplier Device Package	Voltage - Output (Min/Fixed)	Current - Output	Topology	Voltage - Input (Min) [Min]	Operating Temperature [Min]	Operating Temperature [Max]	Output Type	Voltage - Output	Main Purpose	Utilized IC / Part	Board Type	Outputs and Type	Outputs and Type	Voltage - Input [Max]	Voltage - Input [Min]	Regulator Topology	Supplied Contents
Texas Instruments LM2673T-ADJ-TI	Through Hole	Adjustable	Positive	TO-220-7 Formed Leads	1	260 kHz	Step-Down	37 V	TO-220-7	1.2 V	3 A	Buck	8 V	-40 °C	125 ¯C
Texas Instruments LM2673S-ADJ	Surface Mount	Adjustable	Positive	D2PAK (7 Leads + Tab) TO-263-8 TO-263CA	1	260 kHz	Step-Down	37 V	TO-263 (DDPAK-7)	1.2 V	3 A	Buck	8 V	-40 °C	125 ¯C
Texas Instruments LM2673SDX-3.3	Surface Mount		Positive	14-VDFN Exposed Pad	1	260 kHz	Step-Down		14-VSON (5x6)	3.3 V	3 A	Buck	8 V	-40 °C	125 ¯C	1.81 mOhm
Texas Instruments LM2673SD-5.0/NOPB	Surface Mount		Positive	14-VDFN Exposed Pad	1	260 kHz	Step-Down		14-VSON (5x6)	5 V	3 A	Buck	8 V	-40 °C	125 ¯C	1.81 mOhm
Texas Instruments LM2673SD-12	Surface Mount		Positive	14-VDFN Exposed Pad	1	260 kHz	Step-Down		14-VSON (5x6)	12 V	3 A	Buck	8 V	-40 °C	125 ¯C	1.81 mOhm
Texas Instruments LM2673SX-ADJ/NOPB	Surface Mount	Adjustable	Positive	D2PAK (7 Leads + Tab) TO-263-8 TO-263CA	1	260 kHz	Step-Down	37 V	TO-263 (DDPAK-7)	1.2 V	3 A	Buck	8 V	-40 °C	125 ¯C
Texas Instruments LM2673SX-3.3/NOPB	Surface Mount		Positive	D2PAK (7 Leads + Tab) TO-263-8 TO-263CA	1	260 kHz	Step-Down		TO-263 (DDPAK-7)	3.3 V	3 A	Buck	8 V	-40 °C	125 ¯C	1.81 mOhm
Texas Instruments LM2673S-5.0	Surface Mount		Positive	D2PAK (7 Leads + Tab) TO-263-8 TO-263CA	1	260 kHz	Step-Down		TO-263 (DDPAK-7)	5 V	3 A	Buck	8 V	-40 °C	125 ¯C	1.81 mOhm
Texas Instruments LM2673-5.0EVAL						260 kHz					3 A						5 V	DC/DC Step Down	LM2673	Fully Populated	Non-Isolated	1	12 V	8 V	Buck	Board(s)
Texas Instruments LM2673S-5.0/NOPB	Surface Mount		Positive	D2PAK (7 Leads + Tab) TO-263-8 TO-263CA	1	260 kHz	Step-Down		TO-263 (DDPAK-7)	5 V	3 A	Buck	8 V	-40 °C	125 ¯C	1.81 mOhm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 7.86
		10	$ 7.10
		45	$ 6.77
		135	$ 5.88
		270	$ 5.61
		540	$ 5.12

Description

General part information

LM2673 Series

Buck Switching Regulator IC Positive Fixed 5V 1 Output 3A TO-263-8, D2PAK (7 Leads + Tab), TO-263CA

Documents

Technical documentation and resources