Texas Instruments LM2596S-3.3 Microcontrollers
3.3V 3A Step-Down Regulator, 4.5-40V In, 150kHz, TO-263
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM2596S-3.3
Base Model
Detailed Description
3.3V 3A Step-Down Regulator, 4.5-40V In, 150kHz, TO-263
Package
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Lifecycle Status
Not For New Designs
Datasheet
LM2596S-3.3 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM2596S-3.3 Microcontrollers technical specifications.
General
RoHS
Yes
Package / Case
TO-263-6, D²Pak
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Lifecycle Status
Not For New Designs
Output Type
Fixed
Max Input Voltage
40V
Output Current
3A
Switching Frequency
150kHz
Number of Outputs
1
Alternate Parts Comparison (LM2596S-3.3 vs LM2596S-ADJ vs LM2596S-5.0/NOPB vs LM2596S-3.3/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-263-6, D²Pak | TO-263-6, D²Pak | TO-263-5 | TO-263-6, 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 | 150kHz | 150kHz | 150 kHz | 150kHz |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Not For New Designs | Active | Active | Active |
| Max Input Voltage | 40V | 40V | 40 V | 40V |
| Min Input Voltage | 4.5V | 4.5V | 4.5 V | 4.5V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 3A | 3A | 3 A | 3A |
| Output Type | Fixed | Adjustable | Fixed | Fixed |
| Output Voltage | 3.3V | 1.2V | 5 V | 3.3V |
| 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
LM2596DSADJGonsemiSimilaronsemi
Pin YesPkg YesElec Mixed
DC-DC Buck Converter 3A 40V In, 37V Out, TO-263-5
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
LM2596S-ADJ/NOPBTexas InstrumentsSIMPLE SWITCHER® 4.5V to 40V, 3A Low Component Count Step-Down Regulator
LM2596S-3.3/NOPBTexas InstrumentsSIMPLE SWITCHER® 4.5V to 40V, 3A Low Component Count Step-Down Regulator
LM2596S-ADJTexas Instruments7.5A SWITCHING REGULATOR, 173kHz SWITCHING FREQ-MAX, PSSO5, TO-263, SMT-5