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
Not For New Designs
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®
RoHS
Yes
Package / Case
TO-263-8, D²Pak
Operating Temperature
-40°C ~ 125°C (TJ)
Lifecycle Status
Not For New Designs
Functions
Step-Down
Topology
Buck
Output Type
Fixed
Number of Outputs
1
Switching Frequency
260kHz
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 | |
|---|---|---|---|---|
| Package / Case | TO-263-8, D²Pak | TO-220-5 | TO-263-8, D²Pak | TO-263-8, D²Pak |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Switching Frequency | 260kHz | 52kHz | 260kHz | 260kHz |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Not For New Designs | Active | Active | Not For New Designs |
| Control Mode | Voltage mode | Voltage mode | Voltage mode | Voltage mode |
| Duty Cycle Max | 91 | 98 | 91 | 91 |
| Iq Typ Ma | 4.2 | 5 | 4.2 | 4.2 |
| Max Input Voltage | 40V | 40V | 40V | 40V |
| Min Input Voltage | 15V | 4V | 8V | 8V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Operating Temperature Range C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Action |
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