Texas Instruments LM2577T-12/NOPB DC DC Switching Regulators
3A, 12V fixed output step-up regulator with a 3.5V to 40V input voltage range.
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM2577T-12/NOPB
Series
Base Model
Detailed Description
3A, 12V fixed output step-up regulator with a 3.5V to 40V input voltage range. This boost regulator offers 80% efficiency and operates from -40°C to 125°C. Packaged in a TO-220 case for through-hole mounting, it features a low component count design. The device supports a maximum output current of 3A and a nominal output voltage of 12V.
Package
TO-220
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LM2577T-12/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM2577T-12/NOPB DC DC Switching Regulators technical specifications.
General
Series
LM2577
RoHS
Yes
Packaging
Rail/Tube
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 125°C
Supply Voltage
40V
Package
TO-220
Efficiency
80%
Height
8.89mm
Lead Free
Contains Lead
Alternate Parts Comparison (LM2577T-12/NOPB vs LM2577T-ADJ/J7002816 vs LM2577T-ADJ/LB02 vs LM2577T-ADJ/LF03)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| 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 | 3.5V | 3.5V | 3.5V | 3.5V |
| Output Current | 3A | 3A | 3A (Switch) | 3A (Switch) |
| Output Type | Fixed | Adjustable | Adjustable | Adjustable |
| Output Voltage | 12V | 0V | 1.23V | 1.23V |
| Topology | Boost, Flyback | Boost, Flyback, Forward Converter | Boost, Flyback, Forward Converter | Boost, Flyback, Forward Converter |
| Number of Outputs | 1 | -- | 1 | 1 |
| Package / Case | -- | TO-220-5 Formed Leads | TO-220-5 Formed Leads | TO-220-5 Formed Leads |
| Switching Frequency | -- | 52kHz | 52kHz | 52kHz |
| Output Configuration | -- | Positive or Negative | Positive | Positive |
| Action |
Texas Instruments LM2577T-12/NOPB DC DC Switching Regulators Overview
3A, 12V fixed output step-up regulator with a 3.5V to 40V input voltage range. This boost regulator offers 80% efficiency and operates from -40°C to 125°C. Packaged in a TO-220 case for through-hole mounting, it features a low component count design. The device supports a maximum output current of 3A and a nominal output voltage of 12V.
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