Specification	LM2678S-ADJ

Current - Output	5 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	Adjustable
Package Leads	7 Leads
Package Name	D2PAK, TO-263 (DDPAK-7)
Synchronous Rectifier	No
Topology	Buck
Voltage - Input (Max)	40 V
Voltage - Input (Min)	8 V
Voltage - Output (Max)	37 V
Voltage - Output (Min/Fixed)	1.21 V

LM2678 Series

Part	Voltage - Input (Max)	Synchronous Rectifier	Output Configuration	Operating Temperature (Max)	Operating Temperature (Min)	Number of Outputs	Function	Frequency - Switching	Output Type	Package / Case	Voltage - Output (Min/Fixed)	Package Width	Package Name	Package Length	Voltage - Input (Min)	Mounting Type	Current - Output	Topology	Package Leads	Voltage - Output (Max)
Texas Instruments LM2678SDX-3.3/NOPB	40 V	No	Positive	125 °C	-40 °C	1	Step-Down	260 kHz	Fixed	14-VDFN Exposed Pad	3.3 V	6 mm	14-VSON	5 mm	8 V	Surface Mount	5 A	Buck
Texas Instruments LM2678SX-3.3/NOPB	40 V	No	Positive	125 °C	-40 °C	1	Step-Down	260 kHz	Fixed		3.3 V		D2PAK TO-263 (DDPAK-7)		8 V	Surface Mount	5 A	Buck	7 Leads
Texas Instruments LM2678S-3.3	40 V	No	Positive	125 °C	-40 °C	1	Step-Down	260 kHz	Fixed		3.3 V		D2PAK DDPAK/TO-263-7 TO-263 (DDPAK-7)		8 V	Surface Mount	5 A	Buck	7 Leads
Texas Instruments LM2678T-12/NOPB	40 V	No	Positive	125 °C	-40 °C	1	Step-Down	260 kHz	Fixed	TO-220-7 Formed Leads	12 V		TO-220-7		15 V	Through Hole	5 A	Buck
Texas Instruments LM2678SX-ADJ/NOPB	40 V	No	Positive	125 °C	-40 °C	1	Step-Down	260 kHz	Adjustable		1.21 V		D2PAK TO-263 (DDPAK-7)		8 V	Surface Mount	5 A	Buck	7 Leads	37 V
Texas Instruments LM2678T-ADJ	40 V	No	Positive	125 °C	-40 °C	1	Step-Down	260 kHz	Adjustable	TO-220-7 Formed Leads	1.21 V		TO-220-7		8 V	Through Hole	5 A	Buck		37 V
Texas Instruments LM2678T-ADJ/NOPB	40 V	No	Positive	125 °C	-40 °C	1	Step-Down	260 kHz	Adjustable	TO-220-7 Formed Leads	1.21 V		TO-220-7		8 V	Through Hole	5 A	Buck		37 V
Texas Instruments LM2678SDX-ADJ/NOPB	40 V	No	Positive	125 °C	-40 °C	1	Step-Down	260 kHz	Adjustable	14-VDFN Exposed Pad	1.21 V	6 mm	14-VSON	5 mm	8 V	Surface Mount	5 A	Buck		37 V
Texas Instruments LM2678SX-12/NOPB	40 V	No	Positive	125 °C	-40 °C	1	Step-Down	260 kHz	Fixed		12 V		D2PAK TO-263 (DDPAK-7)		15 V	Surface Mount	5 A	Buck	7 Leads
Texas Instruments LM2678T-5.0	40 V	No	Positive	125 °C	-40 °C	1	Step-Down	260 kHz	Fixed	TO-220-7 Formed Leads	5 V		TO-220-7		8 V	Through Hole	5 A	Buck

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