Blog de la compañía Infineon TLS205 PG-DSO-8 Linear Regulator—Available in Stock from Mingjiada, Empowering Low-Power Power Supply Designs for Automotive and Industrial Applications

In automotive electronics and industrial control systems, the static power consumption, output noise, and long-term reliability of power supply architectures are becoming key constraints in product selection. The TLS205 series of ultra-low-power, low-noise, low-dropout regulators from Infineon’s OPTIREG™ linear series—featuring 30 µA-class quiescent current, output noise as low as 24 µV RMS, and AEC-Q100 automotive qualification—have become a popular choice for always-on power rails, sensor power supplies, and downstream voltage regulation applications. Mingjiada Electronics maintains a long-term stock of the TLS205 series in the PG-DSO-8 package, providing genuine products and flexible supply chain support to customers in the automotive electronics, industrial control, and communications equipment sectors.

I. Product Overview

The TLS205 (OPTIREG™ linear TLS205BOEJ series) is a micro-power, low-noise, low-dropout linear regulator introduced by Infineon. It features a PG-DSO-8 exposed-pad package, delivers an output current of up to 500 mA, and has a typical dropout voltage of just 320 mV. The series offers fixed-output versions at 3.3 V and 5.0 V, as well as an adjustable version based on a 1.22 V reference, covering a wide range of rail voltage requirements from low-voltage digital cores to standard 5 V analog/interface power supplies.

Compared to general-purpose LDOs, the TLS205’s key differentiators lie in its ultra-low quiescent current and low output noise, which are tailored for battery-powered systems and automotive electronics downstream regulation applications: It maintains low-noise performance without the need for external bypass capacitors; when paired with a 10 nF bypass capacitor, output noise can be as low as 24 µV RMS (10 Hz–100 kHz), providing direct signal-chain benefits for RF modules, sensor analog front ends, and precision MCU supply rails.

II. Key Technical Specifications at a Glance

Input Voltage Range: 2.3 V – 20 V (internal circuitry allows operation down to 2.3 V)

Output Current Capability: 500 mA

Fixed Output Voltage: 3.3 V / 5.0 V (a version with an adjustable 1.22 V reference is also available)

Voltage Drop: Typically 320 mV

Quiescent Current: 30 µA

Shutdown Current: < 1 µA

Output Noise: As low as 24 µV RMS (BW = 10 Hz – 100 kHz, with 10 nF bypass)

Output Voltage Accuracy: ±2.5% (over the full temperature and load ranges)

Package: PG-DSO-8 exposed pad

Automotive Certification: AEC-Q100 qualified

Protection Features: Reverse polarity protection, overcurrent protection, overtemperature protection, no reverse current

Operating Junction Temperature: −40 °C to +125 °C

III. Typical Application Scenarios

The PG-DSO-8 version of the TLS205 is explicitly positioned within Infineon’s product portfolio for automotive electronics post-regulator applications, while its low quiescent current and low-noise characteristics also naturally extend to industrial and communications sectors.

Automotive electronics is the primary application area for the TLS205. It is suitable for use as a post-regulator following a DC/DC converter, further filtering the output of the upstream switching power supply to provide low-noise power rails for infotainment system cameras and displays, body control modules, gateways, ADAS sensors, and in-vehicle LED lighting. In battery-powered “always-on” domains, the 30 µA quiescent current—significantly lower than that of general-purpose LDOs—helps control standby current when the vehicle is turned off or in standby mode, thereby extending battery life.

Industrial control and communication equipment also benefit from this device’s high power supply rejection ratio and wide input range. In PLC analog input modules, industrial gateways, transmitters, optical modules, and RF units, the TLS205 can serve as a local voltage regulator stage for MCUs or sensors, suppressing interference from upstream power supply ripple on sensitive analog circuits. In portable and battery-powered devices, medical monitors, and test and measurement instruments, its low dropout voltage and low shutdown current characteristics are equally suitable for “always-on” power rails and real-time clock power supplies that are sensitive to battery life and standby power consumption.

IV. Mingjiada Electronics’ Supply and Service Advantages

Shenzhen Mingjiada Electronics Co., Ltd. has long supplied Infineon’s TLS205 series of ultra-low-power, low-noise linear regulators and related automotive-grade power devices, covering both fixed-output and adjustable versions in the PG-DSO-8 exposed-pad package. To meet procurement needs for the TLS205 PG-DSO-8, Mingjiada Electronics offers the following tailored support:

Guarantee of genuine, original products. Mingjiada Electronics has established long-term partnerships with international brands such as Infineon. Products are sourced directly from the original manufacturer or authorized channels, eliminating the risk of refurbished or counterfeit goods. This ensures compliance with the strict material consistency requirements of automotive electronics and industrial customers.

In-stock inventory and flexible batch sizes. Warehouses in multiple locations across Shenzhen and Hong Kong support small-batch sample procurement and bulk order fulfillment. For standard automotive-grade power devices such as the TLS205, we can provide samples during the selection and validation phase and ensure a seamless transition to stable supply during mass production, thereby shortening the lead time from prototyping to mass production.

One-Stop BOM Fulfillment. Based on the BOM for the power board or ECU containing the TLS205, Mingjiada Electronics can simultaneously supply other linear regulators from Infineon’s OPTIREG™ series, as well as power devices, MCUs, and sensors, reducing the coordination costs customers face when dealing with multiple suppliers.

To inquire about stock availability, unit prices, or samples for the various voltage versions of the TLS205 PG-DSO-8, please contact the Mingjiada Electronics sales team directly.

V. About Mingjiada Electronics

Established in 1996, Shenzhen Mingjiada Electronics Co., Ltd. is a globally renowned authorized independent distributor of electronic components. Headquartered in Shenzhen, the company has branches in Hong Kong, Japan, Russia, Taiwan, and other locations, forming a global supply network. The company specializes in providing one-stop component solutions—featuring genuine OEM products, in-stock inventory, and rapid delivery—to customers in the automotive electronics, industrial control, consumer electronics, communications equipment, and new energy sectors. It has obtained ISO 9001 quality management system certification.

In the automotive electronics sector, Mingjiada Electronics has long supplied automotive-grade MCUs, power devices, power management ICs, and sensors. The TLS205 series of linear regulators is one of the key standard models in its Infineon power product line.

Contact Information

Website: www.integrated-ic.com

Phone: 86-755-83294757 / 13410018555

Email: sales@hkmjd.com

Address: Rooms 1239–1241, New Asia Guoli Building, Zhenzhong Road, Futian District, Shenzhen, Guangdong Province

Tags: TLS205B0EJ, TLS205B0E, TLS205B0, TLS205B, TLS205