Texas Instruments TPS54427DDAR Microcontrollers
4.5-18V In, 4A Sync Step-Down Converter, 7V Out, 8-SO PowerPAD
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
TPS54427DDAR
Detailed Description
4.5-18V In, 4A Sync Step-Down Converter, 7V Out, 8-SO PowerPAD
Package
8-PowerSOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
TPS54427DDAR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments TPS54427DDAR Microcontrollers technical specifications.
General
RoHS
Yes
Package / Case
8-PowerSOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Lifecycle Status
Active
Output Type
Adjustable
Max Input Voltage
18V
Output Current
4A
Switching Frequency
650kHz
Number of Outputs
1
Alternate Parts Comparison (TPS54427DDAR vs TPS2376DDAR-HG4 vs TPS5430DDARG4 vs TPS566250DDAR)
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 | 8-PowerSOIC | 8-PowerSOIC | 8-PowerSOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) |
| Lifecycle Status | Active | Active | Active | Active |
| Switching Frequency | 650kHz | -- | 500kHz | 650kHz |
| Function | Step-Down | -- | Step-Down | Step-Down |
| Max Input Voltage | 18V | -- | 36V | 17V |
| Min Input Voltage | 4.5V | -- | 5.5V | 4.5V |
| Number of Outputs | 1 | -- | 1 | 1 |
| Output Configuration | Positive | -- | Positive | Positive |
| Output Current | 4A | -- | 3A | 5A |
| Output Type | Adjustable | -- | Adjustable | Adjustable |
| 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
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Pin NoPkg NoElec Upgrade
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