Texas Instruments LM2673S-ADJ/NOPB DC DC Switching Regulators
Adjustable 3A buck converter, featuring an 8V to 40V input voltage range and a maximum output voltage of 37V.
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM2673S-ADJ/NOPB
Series
Base Model
Detailed Description
Adjustable 3A buck converter, featuring an 8V to 40V input voltage range and a maximum output voltage of 37V. This power management IC operates at a 280kHz switching frequency, achieving up to 88% efficiency. Designed for surface mounting in a TO-263-7 package, it offers an adjustable current limit and a single positive output. Operating temperature range spans from -40°C to 125°C.
Package
TO-263-7
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LM2673S-ADJ/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM2673S-ADJ/NOPB DC DC Switching Regulators technical specifications.
General
Series
SIMPLE SWITCHER®
RoHS
Yes
Packaging
Rail/Tube
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Supply Voltage
8V ~ 40V
Package
TO-263-7
Efficiency
88%
Frequency
280kHz
Height
4.57mm
Alternate Parts Comparison (LM2673S-ADJ/NOPB vs LM2673S-ADJ vs LM2673S-5.0 vs LM2673S-5.0/NOPB)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Max Input Voltage | 40V | 40V | 40V | 40V |
| Min Input Voltage | 8V | 8V | 8V | 8V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 3A | 3A | 3A | 3A |
| Output Type | Adjustable | Adjustable | Fixed | Fixed |
| Output Voltage | 37V | 1.2V | 5V | 5V |
| Synchronous Rectifier | No | No | No | No |
| Package / Case | -- | TO-263-8, D²Pak | TO-263-8, D²Pak | TO-263-8, D²Pak |
| Switching Frequency | -- | 260kHz | 260kHz | 260kHz |
| Action |
Texas Instruments LM2673S-ADJ/NOPB DC DC Switching Regulators Overview
Adjustable 3A buck converter, featuring an 8V to 40V input voltage range and a maximum output voltage of 37V. This power management IC operates at a 280kHz switching frequency, achieving up to 88% efficiency. Designed for surface mounting in a TO-263-7 package, it offers an adjustable current limit and a single positive output.
Operating temperature range spans from -40°C to 125°C.
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