Texas Instruments LM2678S-12 DC DC Switching Regulators
8V to 40V, 5A SIMPLE SWITCHER® buck converter with high efficiency
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM2678S-12
Series
Detailed Description
8V to 40V, 5A SIMPLE SWITCHER® buck converter with high efficiency
Package
TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
Key Features
Package / Case: TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
Lifecycle Status
NRND
RoHS State
RoHS Compliant
Datasheet
LM2678S-12 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM2678S-12 DC DC Switching Regulators technical specifications.
General
Series
SIMPLE SWITCHER®
Package / Case
TO-263-8, D²Pak
Operating Temperature
-40°C ~ 125°C (TJ)
Functions
Step-Down
Topology
Buck
Output Type
Fixed
Numberof Outputs
1
Switching Frequency
260kHz
Output Current
5A
Output Configuration
Positive
Alternate Parts Comparison (LM2678S-12 vs LM2576T-5.0/NOPB vs LM2673S-ADJ/NOPB vs LM2673S-ADJ)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C (TJ) |
| Max Input Voltage | 40V | 40V | 40V | 40V |
| Min Input Voltage | 15V | 4V | 8V | 8V |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 5A | 3A | 3A | 3A |
| Output Type | Fixed | Fixed | Adjustable | Adjustable |
| Output Voltage | 12V | 5V | 37V | 1.2V |
| Synchronous Rectifier | No | No | No | No |
| Series | SIMPLE SWITCHER® | SIMPLE SWITCHER® | SIMPLE SWITCHER® | -- |
| Mounting Type | -- | Through Hole | Surface Mount | Surface Mount |
| Number of Outputs | -- | 1 | 1 | 1 |
| Action |
More Parts in DC DC Switching Regulators
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
LM2673S-ADJ/NOPBTexas InstrumentsAdjustable 3A buck converter, featuring an 8V to 40V input voltage range and a maximum output voltage of 37V.
LM2675M-5.0/NOPBTexas Instruments1A, 5V fixed output step-down regulator with a wide 6.5V to 40V input voltage range.
LM2576T-5.0/NOPBTexas Instruments3A, 5V fixed output step-down regulator with a maximum input voltage of 40V.