Texas Instruments LM2673S-ADJ/NOPB DC DC Switching Regulators
IC REG BUCK ADJ 3A TO263-7
Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments LM2673S-ADJ/NOPB DC DC Switching Regulators technical specifications.
General
Related Parts Comparison (LM2673S-ADJ/NOPB vs LM2673S-ADJ vs LM2673S-5.0 vs LM2673S-5.0/NOPB)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | TO-263-8, D²Pak | TO-263-8, D²Pak | TO-263-8, D²Pak | TO-263-8, D²Pak |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| 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 | 260kHz | 260kHz | 260kHz |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Not For New Designs | Not For New Designs | Active |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| 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 |
| 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.
