LM2678S-3.3 National Semiconductor, LM2678S-3.3 Datasheet - Page 2

• Manufacturer Part Number: LM2678S-3.3
• Description: DC/DC Converter IC
• Manufacturer: National Semiconductor

Specifications of LM2678S-3.3

• Input Voltage: 40V
• Output Voltage: 3.3V
• No. Of Pins: 7
• Termination Type: SMD
• Mounting Type: Through Hole
• Voltage Regulator Type: Buck Switching
• Output Current Max: 5A
• Peak Reflow Compatible (260 C): No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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Connection Diagrams and Ordering Information
Ordering Information for LLP Package
Output Voltage
ADJ
ADJ
3.3
3.3
5.0
5.0
12
12
See NSC Package Number TS7B
LM2678S-12 or LM2678S-ADJ
LM2678S-3.3, LM2678S-5.0,
TO-263 Package
LM2678SD-12
LM2678SDX-12
LM2678SD-3.3
LM2678SDX-3.3
LM2678SD-5.0
LM2678SDX-5.0
LM2678SD-ADJ
LM2678SDX-ADJ
Order Number
Top View
Order Information
See NS package Number SRC14A
10088601
Top View
S0003BB
S0003BB
S0003CB
S0003CB
S0003DB
S0003DB
S0003EB
S0003EB
LLP-14
Package Marking
2
See NSC Package Number TA07B
LM2678T-12 or LM2678T-ADJ
LM2678T-3.3, LM2678T-5.0,
10088641
250 Units on Tape and Reel
2500 Units on Tape and Reel
250 Units on Tape and Reel
2500 Units on Tape and Reel
250 Units on Tape and Reel
2500 Units on Tape and Reel
250 Units on Tape and Reel
2500 Units on Tape and Reel
TO-220 Package
Order Number
Top View
Supplied As
10088602