Texas Instruments TPS54540DDAR DC DC Switching Regulators
5A, 42V input, step-down DC-DC converter with adjustable output voltage from 800mV to 41.1V.

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
TPS54540DDAR
Detailed Description
5A, 42V input, step-down DC-DC converter with adjustable output voltage from 800mV to 41.1V. Features Eco-Mode™ for reduced quiescent current (146µA) and a maximum operating temperature of 125°C. This surface mount component is housed in an 8-SO PowerPAD package (4.89mm L x 3.9mm W x 1.7mm H) and is RoHS compliant.
Package
HSOP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
TPS54540DDAR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments TPS54540DDAR DC DC Switching Regulators technical specifications.
General
Series
Eco-Mode™
RoHS
Yes
Package / Case
8-PowerSOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 150°C (TJ)
Supply Voltage
42V
Package
HSOP
Height
1.7mm
Lead Free
Lead Free
Length
4.89mm
Alternate Parts Comparison (TPS54540DDAR vs TPS72018DRVR vs TPS72012DRVR vs TPS79912QDRVRQ1)
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-PowerSOIC | 6-WDFN Exposed Pad | 6-WDFN Exposed Pad | 6-WDFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C |
| RoHS | Yes | Yes | Yes | Yes |
| Max Input Voltage | 42V | 4.5V | 4.5V | 6.5V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 5A | 350mA | 350mA | 200mA |
| Output Type | Adjustable | Fixed | Fixed | Fixed |
| Output Voltage | 41.1V | 1.8V | 1.2V | 1.2V |
| Package | HSOP | WSON EP | WSON EP | WSON EP |
| Quiescent Current | 146uA | 38 µA | 38 µA | 60 µA |
| Action |
Texas Instruments TPS54540DDAR DC DC Switching Regulators Overview
5A, 42V input, step-down DC-DC converter with adjustable output voltage from 800mV to 41.1V. Features Eco-Mode™ for reduced quiescent current (146µA) and a maximum operating temperature of 125°C. This surface mount component is housed in an 8-SO PowerPAD package (4.89mm L x 3.9mm W x 1.7mm H) and is RoHS compliant.
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