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STMicroelectronics LDK130M15R — DC-DC Power Modules

ST LDK130M15R LDO Regulator, 1.5V Fixed, 300mA, AEC-Q100

MPNLDK130M15R
End of Life

STMicroelectronics LDK130M15R, Automotive AEC-Q100 series, linear voltage regulator, fixed 1.5V output, 300mA, 55dB PSRR (120Hz~10kHz), SOT-23-5 package, -40°C to 125°C.

$0.87Ref. price · indicative, final on quote
STMicroelectronics LDK130M15R datasheet (PDF)
PackagingSC-74A, SOT-753
RoHSROHS3 Compliant
SeriesAutomotive, AEC-Q100
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

LDK130M15R specifications
ParameterValue
SeriesAutomotive, AEC-Q100
Output typeFixed
MountingSurface Mount
Voltage - input5.5V
Voltage dropout0.4V @ 300mA
Voltage - output (Min (Fixed))1.5V
Output current300mA
Current - supply120 µA
Current - quiescent60 µA
Operating temperature-40°C ~ 125°C (TJ)
PSRR55dB (120Hz ~ 10kHz)
PackageTape & Reel (TR); Cut Tape (CT)
CaseSC-74A, SOT-753
Control featuresEnable
Protection featuresOver Current, Over Temperature
Number of regulators1
Output configurationPositive

Product details

1.5V fixed LDO for automotive power rails

The STMicroelectronics LDK130M15R is a single-output, positive fixed linear regulator delivering 1.5 V at up to 300 mA.

The LDK130M15R comes in a SOT-23-5 package. It is a surface-mount part with an enable pin for shutdown control.

Protection features for harsh environments

Built-in over-current and over-temperature protection cover the common fault conditions in automotive and industrial applications — a shorted load on the output or a hot engine bay during summer operation. These are self-recovering protections; the regulator shuts down and restarts once the fault clears.

It is a current-production part.

Frequently asked questions

Is LDK130M15R AEC-Q100 qualified?

Yes, it is part of the Automotive AEC-Q100 series, qualified for automotive applications.

Is LDK130M15R RoHS compliant?

Yes, it is ROHS3 compliant.

Can LDK130M15R be used as a replacement for LDK130M12R?

The LDK130M12R outputs 1.2 V fixed; the LDK130M15R outputs 1.5 V fixed. They are pin-compatible in the same SOT-23-5 package but the output voltage differs — verify the target rail voltage before substituting.

What are alternatives to LDK130M15R?

The LD39020DTPU33R is a similar AEC-Q100 LDO but outputs 3.3 V at 200 mA with higher PSRR (80 dB at 1 kHz). The LDFP series offers an adjustable output up to 1 A with a 16 V input ceiling, but lacks the fixed 1.5 V option. Neither is a drop-in replacement — check output voltage, current, and package compatibility.