Voltage Regulators - Linear
Linear voltage regulators (LDOs) provide low-noise, low-dropout voltage regulation for noise-sensitive analog circuits, sensor biasing, and post-switching-regulator filtering. With 22,200+ LDO parts indexed from TI (TPS, LP), ADI (ADP, LT), onsemi (NCV, NCP), Microchip (MCP, MIC), ROHM (BD), and Torex (XC6), Octatronics supports selection by output voltage, dropout, quiescent current, PSRR, noise, and package.
Browse Voltage Regulators - Linear Products
| PART NUMBER | MANUFACTURER | DESCRIPTION | STOCK | QTY / ACTION |
|---|---|---|---|---|
| LM1117MP-5.0/NOPB | Texas Instruments | 800-mA 15-V linear voltage regulator ; 4-SOT-223 0 to 125 | 307,555 | |
| LDS3985M33R | STMicroelectronics | LDS3985 Series 3.3 V 300 mA Fixed Low Noise LDO BiCMOS Regulator - SOT-23-5 | 840,591 | |
| LDK120M33R | STMicroelectronics | LDK120 Series 200 mA 3.3 V Fixed Output Low Noise LDO Regulator - SOT-23-5 | 666,960 | |
| LD2980ABM33TR | STMicroelectronics | LD2980 Series 50 mA 3.3 V SMT Ultra Low Drop Voltage Regulator - SOT23-5 | 1,052,270 | |
| L78M15ABDT-TR | STMicroelectronics | Linear Voltage Regulator, Fixed, Positive, 17.5 V to 35 V, 15 V, 500 mA, 3 Pins, TO-252 (DPAK) | 1,283,900 | |
| L78M09ABDT-TR | STMicroelectronics | L78M Series 500 mA 9 V Three Terminal Positive Voltage LDO Regulator - TO-252 | 762,690 | |
| L78M05CDT-TR | STMicroelectronics | Linear Voltage Regulator, Fixed, Positive Output, 35 V, 5 V, 500 mA, 3 Pins, TO-252 (DPAK) | 4,481,937 | |
| L78L12ABUTR | STMicroelectronics | Linear Voltage Regulator, Fixed, 19V primary input, 12V/100 mA/1 Output, SOT-89-3 | 1,472,384 | |
| L78L09ABUTR | STMicroelectronics | Linear Voltage Regulator, Fixed, 15V primary input, 9V/100 mA/1 Output, SOT-89-3 | 1,713,368 | |
| L78L09ABD13TR | STMicroelectronics | L78L Series 100 mA 9 V Positive Voltage LDO Regulator Surface Mount - SOIC-8 | 469,064 |
Top Voltage Regulators - Linear Manufacturers
onsemi
onsemi Voltage Regulators - Linear products are available for part-number review, stock checks, and RFQ support.
28,226 productsROHM
ROHM Voltage Regulators - Linear products are available for part-number review, stock checks, and RFQ support.
3,980 productsVishay
Vishay Voltage Regulators - Linear products are available for part-number review, stock checks, and RFQ support.
9,347 products
Nexperia
Nexperia Voltage Regulators - Linear products are available for part-number review, stock checks, and RFQ support.
3,317 productsRenesas
Renesas Voltage Regulators - Linear products are available for part-number review, stock checks, and RFQ support.
74,605 productsTorex Semiconductor
Torex Semiconductor Voltage Regulators - Linear products are available for part-number review, stock checks, and RFQ support.
52 productsNisshinbo Micro Devices Inc.
Nisshinbo Micro Devices Inc. Voltage Regulators - Linear products are available for part-number review, stock checks, and RFQ support.
122 products
Infineon Technologies
Infineon Technologies Voltage Regulators - Linear products are available for part-number review, stock checks, and RFQ support.
20,310 products
NXP Semiconductors
NXP Semiconductors Voltage Regulators - Linear products are available for part-number review, stock checks, and RFQ support.
20,288 products
Microchip Technology
Microchip Technology Voltage Regulators - Linear products are available for part-number review, stock checks, and RFQ support.
67,462 productsAbout Voltage Regulators - Linear
Linear Voltage Regulator (LDO) ICs are low-dropout linear regulators designed to provide stable, low-noise, regulated DC voltages from a higher, fluctuating input voltage source. Because they regulate voltage without switching transistors, LDOs generate virtually zero electromagnetic interference (EMI) and output extremely clean, low-ripple voltage, making them the industry-standard solution for powering noise-sensitive analog components, precision ADCs/DACs, and RF transceivers.
LDOs are selected based on output voltage (fixed or adjustable), maximum output current (typically milliamps to a few amperes), drop-out voltage (the minimum difference between input and output voltage required to maintain regulation, typically measured in millivolts), quiescent current (Iq, critical for battery standby life), Power Supply Rejection Ratio (PSRR, indicating the ability to filter input ripple), and output noise density. Thermal management is critical as LDOs dissipate excess voltage as heat.
On Octatronics, source from over 22,000 LDO regulator part numbers from market leaders including Texas Instruments (TPS and LP series), Analog Devices (ADP and LT series), onsemi (NCP and NCV series), Microchip Technology (MCP series), ROHM (BD series), and Torex. Check datasheets, compare packages (SOT-23, DFN, SOT-89), and submit bulk RFQs online.
Related Applications
Discover industry applications that commonly use Voltage Regulators - Linear components.
Body Electronics & Lighting
BCM, lighting, and comfort-module devices.
Architectural & Decorative Lighting
Color, dimming, and control devices.
UV & Specialty Lighting
UV and specialty LED driver devices.
LED & Lighting
LED drivers and lighting power devices.
Consumer & Personal Electronics
Power, interface, and analog components for phones, wearables, and personal devices.
Automotive Power Management
Module power and load-control devices.
Smart Lighting
Connected LED drivers and lighting-control devices.
Gaming & Entertainment
Power, interface, and graphics-adjacent support devices.
Energy & Power
Power conversion and protection components for solar, storage, charging, and industrial power.
Smart Home & Building
Building-automation radios, sensors, and power ICs.
Wearable Electronics
Sensing, PMIC, and wireless devices.
IoT & Smart Home
Wireless, sensing, and power devices for connected buildings and edge nodes.
Home Security
Sensing, radio, and power devices for security nodes.
Asset Tracking & RFID
RF, power, and sensing devices for tracking tags and readers.
Smartphones & Tablets
PMIC, charging, and interface devices.
Audio & Wearables
Audio, battery, and radio devices.
Smart Appliances
Motor, sensing, and connectivity devices.
Frequently Asked Questions
Octatronics can help source a wide range of Voltage Regulators - Linear from major manufacturers worldwide, including active production parts, long-lead-time items, and hard-to-find components.
Yes. You can submit a single part number or upload a BOM with multiple parts. Our team will check stock, date code, lead time, and pricing for each item.
Availability depends on the specific part number and supplier source. For important orders, buyers can request packaging photos, labels, date code information, and traceability documents.
Yes. Octatronics supports sourcing for active, end-of-life, obsolete, and hard-to-find components through our global supplier network.
Please provide the part number, manufacturer, quantity, required date code, target price, delivery country, and whether original packaging or COC is required.
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