EmbeddedRelated.com
The 2026 Embedded Online Conference
L5150BNTR

L5150BNTR

STMicroelectronics
Linear Voltage Regulator IC Positive Fixed 1 Output 150mA SOT-223
Active99,211 in stock

Overview

The L5150BNTR is a positive fixed output linear voltage regulator from STMicroelectronics, capable of supplying up to 150mA. It is housed in a compact SOT-223 package and features an input voltage range up to 40V. This regulator is designed with protection features including over temperature and short circuit protection.

Why Choose This Part

This regulator offers high reliability for demanding environments, with an extended operating temperature range of -40 degrees C to 150 degrees C and an input voltage up to 40V. Its built-in thermal shutdown and short-circuit protection enhance system safety and robustness. The low quiescent current of 50 uA makes it suitable for power-sensitive applications.

Applications

Automotive Electronic Control Units (ECUs)
Providing stable 5V power to microcontrollers and other components in automotive applications due to its robust operating temperature range and high input voltage capability.
Infotainment Systems
Regulating power for various modules within in-car entertainment and information systems, benefiting from its integrated protection features.
Body Control Modules (BCMs)
Supplying regulated voltage for the numerous sensors and actuators controlled by the BCM, where reliability and a wide operating temperature range are critical.
Industrial Control Systems
Providing stable power in industrial environments where voltage fluctuations and extreme temperatures are common, leveraging its 40V input and 150-degree C max operating temp.

Key Specifications

PSRR 48dB (100Hz)
Output Type Fixed
Mounting Type Surface Mount
Package / Case TO-261-4, TO-261AA
Current - Output 150mA
Protection Features Over Temperature, Short Circuit
Number of Regulators 1
Output Configuration Positive
Operating Temperature -40degC ~ 150degC
Voltage - Input (Max) 40V
Voltage Dropout (Max) 0.5V @ 150mA
Current - Supply (Max) 4.2 mA
Supplier Device Package SOT-223
Current - Quiescent (Iq) 80 uA
Voltage - Output (Min/Fixed) 5V

Getting Started

To get started with the L5150BNTR, integrate it into your PCB design following the recommended layout guidelines for SOT-223 packages. Ensure proper input and output capacitance for stability. Refer to the STMicroelectronics datasheet for detailed application circuits and thermal considerations.

Also Consider

MIC5205-5.0 MCHPMicrochip Technology - This is a low dropout (LDO) regulator with a fixed 5V output and 150mA current capacity, available in a smaller SOT-23-5 package.
The 2026 Embedded Online Conference