Texas Instruments TPS54040QDGQRQ1 DC DC Switching Regulators
IC REG BUCK ADJ 500MA 10MSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
TPS54040QDGQRQ1
Detailed Description
IC REG BUCK ADJ 500MA 10MSOP
Package
10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width)
Key Features
Package / Case: 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
TPS54040QDGQRQ1 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments TPS54040QDGQRQ1 DC DC Switching Regulators technical specifications.
General
Package / Case
10-MSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 150°C (TJ)
Lifecycle Status
Obsolete
Output Type
Adjustable
Max Input Voltage
42V
Output Current
500mA
Switching Frequency
100kHz ~ 2.5MHz
Number of Outputs
1
Topology
Buck
Alternate Parts Comparison (TPS54040QDGQRQ1 vs TPS62044DGQR vs TPS62043DGQR vs TPS62026DGQ)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 10-MSOP | 10-MSOP | 10-MSOP | 10-MSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Switching Frequency | 100kHz ~ 2.5MHz | 1.25MHz | 1.25MHz | 1.25MHz |
| Lifecycle Status | Obsolete | Active | Active | Active |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Max Input Voltage | 42V | 6V | 6V | 6V |
| Min Input Voltage | 3.5V | 2.5V | 2.5V | 2.5V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 500mA | 1.2A | 1.2A | 600mA |
| Output Type | Adjustable | Fixed | Fixed | Fixed |
| 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
Similaronsemi
Pin NoPkg NoElec Mixed
Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 1.2A 12-VDFN Exposed Pad
More Parts in DC DC Switching Regulators
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.