Texas Instruments LM2575SX-12 DC DC Switching Regulators
IC REG BUCK 12V 1A TO263-5
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM2575SX-12
Series
Detailed Description
IC REG BUCK 12V 1A TO263-5
Package
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Key Features
Package / Case: TO-263-6, D²Pak (5 Leads + Tab), TO-263BA; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
LM2575SX-12 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM2575SX-12 DC DC Switching Regulators technical specifications.
General
RoHS
Yes
Package / Case
TO-263-6, D²Pak
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Lifecycle Status
Obsolete
Output Type
Fixed
Max Input Voltage
40V
Output Current
1A
Switching Frequency
52kHz
Number of Outputs
1
Alternate Parts Comparison (LM2575SX-12 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-263-6, D²Pak | TO-220-5 | TO-263-8, D²Pak | 8-SOIC |
| Mounting Type | Surface Mount | 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 | Obsolete | Active | Active | Active |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Max Input Voltage | 40V | 40V | 40V | 40V |
| Min Input Voltage | 4V | 4V | 8V | 6.5V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 1A | 3A | 3A | 1A |
| 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
LM2575D2T-12R4GonsemiDirectonsemi
Pin YesPkg YesElec Yes
12V 1A Buck Regulator, D2PAK, 40V In, SM
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