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LM2678SX-ADJ/NOPB

LM2678SX-ADJ/NOPB

LM2678SX-ADJ/NOPB

Texas Instruments

7 Terminals 7-Pin LM2678 DC DC Voltage Regulator SWITCHING REGULATOR 1 Outputs 260kHz Tape & Reel (TR) TO-263-8, D2Pak (7 Leads + Tab), TO-263CA

SOT-23

LM2678SX-ADJ/NOPB Datasheet

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In-Stock: 0 items
Specifications
Name Value
Type Parameter
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 6 days ago)
Contact Plating Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case TO-263-8, D2Pak (7 Leads + Tab), TO-263CA
Number of Pins 7
Operating Temperature -40°C~125°C TJ
Packaging Tape & Reel (TR)
Series SIMPLE SWITCHER®
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 7
ECCN Code EAR99
Terminal Position SINGLE
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 245
Base Part Number LM2678
Function Step-Down
Number of Outputs 1
Efficiency 84 %
Voltage - Input (Max) 40V
Output Voltage 37V
Output Type Adjustable
Max Output Current 5A
Operating Supply Voltage 40V
Min Supply Voltage 8V
Analog IC - Other Type SWITCHING REGULATOR
Output Configuration Positive
Quiescent Current 4.2mA
Max Output Voltage 37V
Voltage - Output (Min/Fixed) 1.21V
Topology Buck
Control Mode VOLTAGE-MODE
Frequency - Switching 260kHz
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier No
Min Output Voltage 1.2V
Height 4.65mm
Length 10.1mm
Width 8.89mm
Thickness 4.44mm
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Contains Lead
Pricing & Ordering
Quantity Unit Price Ext. Price
500 $3.65200 $1826
1,000 $3.08000 $3.08
2,500 $2.92600 $5.852
LM2678SX-ADJ/NOPB Product Details

LM2678SX-ADJ/NOPB Description


LM2678SX-ADJ/NOPB developed by Texas Instruments is a type of SIMPLE SWITCHER® high-efficiency 5-A step-down voltage regulator featuring excellent line and load regulation. This monolithic integrated circuit is able to offer all of the active functions for a step-down (buck) switching regulator capable of driving up to 5-A loads. A low on-resistance DMOS power switch is used to achieve high efficiency (>90%). It can be designed using a few external components.



LM2678SX-ADJ/NOPB Features


Efficiency up to 92%

Wide input voltage range: 8 V to 40 V

−40 to 125°C operating junction temperature range

120-mΩ DMOS output switch



LM2678SX-ADJ/NOPB Applications


Battery chargers

Efficient system pre-regulator

High efficiency (>90%) step-down switching regulators


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