Skip to main content
Texas Instruments LP5900XRX-2.8/NOPB — Discrete Semiconductors
Texas Instruments

LP5900XRX-2.8/NOPB LDO Regulator, 2.8V Fixed Output, 150mA

MPNLP5900XRX-2.8/NOPB
End of Life

Texas Instruments LP5900XRX-2.8/NOPB, linear voltage regulator, fixed 2.8V output, 150mA, positive, single regulator, PSRR 85dB ~ 40dB (100Hz ~ 100kHz), dropout 0.15V max, quiescent 50µA, 4-DSBGA, -40°C ~ 85°C.

$0.96Ref. price · indicative, final on quote
LP5900XRX-2.8/NOPB datasheet
Packaging4-XFBGA, DSBGA
StockContact for availability
MOQ1 pcs
  • 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
  • Date & lot codes on quoteStated per line before you commit; label photos on request.
  • MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
  • PayPal buyer protectionPay by T/T, PayPal or Payoneer — card payments covered end to end.

Specifications

LP5900XRX-2.8/NOPB Technical Specifications
ParameterValue
Output typeFixed
Mounting typeSurface Mount
Voltage - input5.5V
Voltage dropout0.15V @ 150mA
Voltage - output (Min (Fixed))2.8V
Current - output150mA
Current - supply230 µA
Current - quiescent50 µA
Operating temperature-40°C ~ 85°C
PSRR85dB ~ 40dB (100Hz ~ 100kHz)
PackageTape & Reel (TR); Cut Tape (CT)
Case4-XFBGA, DSBGA
Control featuresEnable
Protection featuresOver Temperature, Short Circuit
Number of regulators1
Output configurationPositive

Product details

Package reality — 4-DSBGA

This part lives in a 4-bump DSBGA package, surface mount only. The supplier device package is listed as 4-DSBGA.

Protection and control

An enable pin lets you gate the output for sequenced power-up or low-power sleep modes. The regulator includes over-temperature and short-circuit protection — standard for this class, but worth noting if the rail feeds a load that can fault to ground. Maximum supply current is 230µA, so the enable pin is the real way to cut draw when the rail is idle.

Sourcing and lifecycle

Status is Active per the manufacturer. The NOPB suffix confirms RoHS3 compliance.

Frequently asked questions

Is LP5900XRX-2.8/NOPB compatible with 5V input?

Yes. The maximum input is 5.5V, so a 5V rail is within the safe operating range with 0.5V of headroom. The regulator will deliver a clean 2.8V output from a 5V supply.

What does the PSRR of 85dB ~ 40dB (100Hz ~ 100kHz) mean in practice?

At 100Hz the PSRR is 85dB, meaning ripple on the input is attenuated by a factor of about 18,000. At 100kHz it drops to 40dB (factor of 100). This makes the part effective at cleaning up low-frequency ripple from a switching pre-regulator, but less effective at high-frequency noise — you still need a bypass cap close to the output pin for the MHz-range hash.