Texas Instruments LM2574N-12/NOPB Microcontrollers
8V to 40V, 500mA SIMPLE SWITCHER® buck converter with 4 external components 8-PDIP -40 to 125
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM2574N-12/NOPB
Base Model
Detailed Description
8V to 40V, 500mA SIMPLE SWITCHER® buck converter with 4 external components 8-PDIP -40 to 125
Package
8-DIP (0.300", 7.62mm)
Lifecycle Status
Active
Datasheet
LM2574N-12/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM2574N-12/NOPB Microcontrollers technical specifications.
General
RoHS
Yes
Package / Case
8-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 125°C (TJ)
Lifecycle Status
Active
Output Type
Fixed
Max Input Voltage
40V
Output Current
500mA
Switching Frequency
52kHz
Number of Outputs
1
Alternate Parts Comparison (LM2574N-12/NOPB vs LM2574N-12G vs LM2574N-ADJ/NOPB vs LM2574N-12G)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-DIP | 8-DIP | 8-DIP | 8-DIP |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| 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 | 52kHz | 52kHz |
| 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-Up, Step-Down, Step-Up/Step-Down | Step-Down | Step-Up, Step-Down, Step-Up/Step-Down |
| Max Input Voltage | 40V | 40V | 40V | 40V |
| Min Input Voltage | 4V | 4.75V | 4V | 4.75V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive or Negative | Positive | Positive or Negative |
| 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
LM2574N-12GonsemiDirectonsemi
Pin YesPkg YesElec Yes
Buck Regulator, Switching, Adjustable Output Voltage, 0.5 A 12 V, 8 LEAD PDIP, 50-TUBE
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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.
LM2574N-12GonsemiBuck Regulator, Switching, Adjustable Output Voltage, 0.5 A 12 V, 8 LEAD PDIP, 50-TUBE
