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Alternatives to Texas Instruments TPS7A9401DSCR

Texas Instruments TPS7A9401DSCR and its qualified second sources, compared on form, fit and function, stock, lifecycle and price — the same checks Parter runs inside a BOM.

Equivalent and substitute parts for Texas Instruments TPS7A9401DSCR

TPS7A9401DSCR compared against its qualified second sources
TPS7A9401DSCRTexas InstrumentsLT3045EDD#PBFAnalog Devices Inc.TPS7A9101DSKRTexas Instruments+2more
FFF CompatibilityPin assignments differ (e.g., pin 6 is GND vs PGFB, pin 8 is SNS vs GND), meaning it is not a drop-in.It shares the exact same 3 mm x 3 mm package footprint size and 10-pin configuration.Output current is limited to 500 mA on a single chip, which is half of the original 1 A limit.The pinout does not match the target device, and it requires a smaller footprint.The package is a smaller 2.5 mm × 2.5 mm SON-10, compared to the 3.0 mm × 3.0 mm WSON-10 of the target.Output noise is higher (4.7 µVRMS vs 0.46 µVRMS) and the output voltage range is narrower (starts at 0.8 V instead of 0 V).
AI Summary

TPS7A9401DSCR by Texas Instruments: Linear Voltage Regulator IC Positive Adjustable 1 Output 1A 10-WSON (3x3).

A 500-mA ultra-low noise LDO competitor housed in the same 3 mm x 3 mm package. While it has half the current rating of the target, it can be easily paralleled to match the 1-A load.

  • Extremely low noise (0.8 µVRMS) and ultra-high PSRR (117 dB)
  • Matches the physical 3 mm x 3 mm size of the target package
  • Designed for easy paralleling to reach higher current
  • Half the output current capacity (500 mA vs 1 A) on a single unit
  • Requires layout modification due to different pin mappings

A 1-A class noise-sensitive LDO sibling from Texas Instruments. It features a smaller physical form factor and higher noise level, needing pinout and footprint adjustments.

  • Slightly higher output current (1.05 A vs 1 A)
  • Same manufacturer family
  • Significantly higher noise level (4.7 µVRMS vs 0.46 µVRMS)
  • Narrower output voltage range starting at 0.8 V
Lifecycle StatusActiveActiveActive
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