Texas Instruments LM2576T-ADJ/LF03 DC DC Switching Regulators
IC REG BUCK ADJ 3A TO220-5
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM2576T-ADJ/LF03
Series
Detailed Description
IC REG BUCK ADJ 3A TO220-5
Package
TO-220-5 Formed Leads
Key Features
Package / Case: TO-220-5 Formed Leads; Mounting Type: Through Hole
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LM2576T-ADJ/LF03 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM2576T-ADJ/LF03 DC DC Switching Regulators technical specifications.
General
RoHS
Yes
Package / Case
TO-220-5 Formed Leads
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 125°C (TJ)
Lifecycle Status
Active
Output Type
Adjustable
Max Input Voltage
40V
Output Current
3A
Switching Frequency
52kHz
Number of Outputs
1
Alternate Parts Comparison (LM2576T-ADJ/LF03 vs LM2576T-5.0/NOPB vs LM2673S-ADJ/NOPB vs LM2675M-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 | |
|---|---|---|---|---|
| Package / Case | TO-220-5 Formed Leads | TO-220-5 | TO-263-8, D²Pak | 8-SOIC |
| Mounting Type | Through Hole | Through Hole | 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 | 52kHz | 52kHz | 260kHz | 260kHz |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Control Mode | Voltage mode | Voltage mode | Voltage mode | Voltage mode |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Iq Typ Ma | 5 | 5 | 4.2 | 2.5 |
| Max Input Voltage | 40V | 40V | 40V | 40V |
| Min Input Voltage | 4V | 4V | 8V | 6.5V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
LM2576T-ADJGonsemiSimilaronsemi
Pin YesPkg YesElec Mixed
Adjustable DC-DC Regulator, 3A, 40V In, 37V Out, TO-220
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
