Texas Instruments LM2576S-3.3/NOPB Microcontrollers
3.3V 3A Step-Down Regulator, TO-263, 40V In, 52kHz

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM2576S-3.3/NOPB
Series
Base Model
Detailed Description
3.3V 3A Step-Down Regulator, TO-263, 40V In, 52kHz
Package
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Lifecycle Status
Active
Datasheet
LM2576S-3.3/NOPB Datasheet
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Technical Specifications
Texas Instruments LM2576S-3.3/NOPB Microcontrollers technical specifications.
General
Package / Case
TO-263-6, D²Pak
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Output Type
Fixed
Max Input Voltage
40V
Output Current
3A
Switching Frequency
52kHz
Number of Outputs
1
Topology
Buck
Output Configuration
Positive
Alternate Parts Comparison (LM2576S-3.3/NOPB vs LM2576S-5.0 vs LM2576S-12 vs LM2576S-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-263-6, D²Pak | -- | -- | TO-263-6, D²Pak |
| Mounting Type | Surface Mount | -- | -- | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | -- | -- | -40°C ~ 125°C (TJ) |
| Switching Frequency | 52kHz | -- | -- | 52kHz |
| Function | Step-Down | -- | -- | Step-Down |
| Max Input Voltage | 40V | -- | -- | 40V |
| Min Input Voltage | 4V | -- | -- | 4V |
| Number of Outputs | 1 | -- | -- | 1 |
| Output Configuration | Positive | -- | -- | Positive |
| Output Current | 3A | -- | -- | 3A |
| Output Type | Fixed | -- | -- | Fixed |
| Output Voltage | 3.3V | -- | -- | 5V |
| Action |
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