An LDO (Low Dropout) voltage regulator is a type of voltage regulator that ensures a constant, stable output voltage even when the input voltage is only slightly higher than the output voltage. It is utilized in microcontrollers and battery-powered devices due to its low noise and low power consumption features. Industrialization and ongoing advancements in electronic components increase the demand for more efficient devices to provide an appropriate voltage and current supply enhancing the LDO market. In this article, everything PE has listed some interesting LDO Regulators that were trending on the website in 2024.
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Automotive-Qualified Linear LDO Regulator for Navigation System Applications
The S-19212B30H-V5T2U from ABLIC is an Automotive-Qualified Linear LDO Regulator that is ideal for constant-voltage power supplies in vehicle interiors, home appliances, and automotive applications such as car bodies, headlights, ITS, accessories, navigation systems, and audio systems applications. It requires an input voltage of 3 - 36 V. This regulator provides an output voltage of 2.5 - 16 V and has a drop-out voltage of 0.35 V. This AEC-Q100-qualified regulator is available in a surface mount package that measures 2.9 x 2.8 mm. Read more.
CMOS Ultra-Low Power Voltage Regulators for Wearable Applications
The NR1620 Series from Nisshinbo Micro Devices are CMOS Ultra-Low Power Voltage Regulators that are ideal for wearable devices such as smartwatches, smart bands, health monitoring, lithium-ion battery equipment, coin cell battery equipment, low-power CPUs, memory, sensor devices, and energy harvesting applications. They require an input voltage of 2.4 - 5.5 V. These regulators provide an output voltage of 1.2 V, an output current of 150 mA, and a drop-out voltage of 150 mV. These RoHS-compliant regulators are capable of automatically switching between fast mode and low-power modes. They are available in surface-mount packages that measure 1.20 x 1.20 x 0.40 mm. Read more.
600 mV LDO Voltage Regulator for Powertrain Applications
The NCV8774C from onsemi is an LDO Voltage Regulator that has been designed to thrive in demanding automotive environments. This LDO provides an adjustable output voltage of 3.3 V to 5 V and has a low dropout voltage of less than 600 mV. It delivers an output current of up to 350 mA. This regulator has a typical quiescent current as low as 17 A, making it suitable for battery-connected applications. It is available in a surface-mount package that measures 6.73 x 6.22 x 2.38 mm and is ideal for body control modules, instruments and clusters, powertrain, and occupant protection and comfort applications. Read more.
Low-Dropout Voltage Regulator for Portable Applications
The SPX2815 from MaxLinear is a Low-Dropout Voltage Regulator that is ideal for desktop PCs, servers, powering VGA and sound cards, cordless phones, battery chargers, adjustable power supplies, portable instrumentation, SMPS post-regulation, constant current regulators, and disk drive applications. It requires an input voltage of up to 10 V. This LDO regulator provides an output voltage of 8 V and has a drop-out voltage of 1.2 V. It features low quiescent current, low dropout voltage, stable operation, over-current, and thermal protection. This regulator provides excellent line and load regulation, over-current and thermal protection, and compatibility with industry-standard devices. It is available in a surface-mount package that measures 15.88 x 10.67 mm. Read more.
500 mV Radiation Tolerant Low Dropout Current Regulator
The MIC6930RT from Microchip Technology is a Radiation Tolerant Low Dropout Current Regulator that has been built to sustain the most demanding requirements of the aerospace environment. This regulator requires an input voltage of 1.65 - 5.5 V. It provides an output voltage of 0.65 - 4.5 V and has a dropout voltage of less than 500 mV. This current regulator integrates an error amplifier, voltage reference, pass transistor, protection circuits, and other passive components such as resistors and capacitors. The regulator is available in a surface-mount package that measures 25.00 x 6.48 mm and is ideal for FPGA, PLD, DSP, low-voltage DC-DC conversion, and microcontroller applications. Read more.
Radiation-Hardened Positive Fixed LDO Voltage Regulator
The RHFL4913KP33-01V from STMicroelectronics is a Radiation-Hard Positive Fixed LDO Voltage Regulator. It requires an input voltage of up to 12 V. This regulator provides an output voltage of less than 3.37 V and has a dropout voltage of 350 mV. It boasts embedded over-temperature and over-current protection features, ensuring robust and reliable operation under abnormal conditions. This regulator offers an adjustable current limiting function to cater to different application requirements and includes output overload monitoring and signaling to promptly alert users of potential issues. It also has an inhibit (ON/OFF) TTL-compatible control feature to accurately control the voltage level. This regulator is equipped with programmable output short-circuit current and remote sensing operation for enhanced precision. It is available in a surface-mount package that measures 9.17 x 19.41 mm. Read more.
5 V Radiation-Hardened Programmable LDO Regulator
The ISL75051ASEH from Renesas is a Radiation-Hardened Programmable LDO Regulator that is ideal for LDO regulators for space power systems, DSP/FPGA/microprocessor core power supplies, post-regulation of SMPS, and down-hole drilling applications. It requires an input voltage of 2.2 - 6 V. This LDO provides an output voltage of 0.8 - 5 V (adjustable) and has a dropout voltage of 65 mV. It is engineered for outstanding transient response and does not require additional protection diodes or filters, thus saving space and delivering superior performance in a compact package. It is available in a surface-mount package that measures 12.090 x 10.084 mm. Read more.
Automotive Qualified LDO Regulator for EV/HEV Applications
The AP7583AQ-MP-13 from Diodes Incorporated is an Automotive Qualified LDO Voltage Regulator that has been designed for automotive battery-powered applications. This LDO regulator requires an input voltage of 3 - 42 V. It provides an output current of up to 300 mA and has a dropout voltage of 450 mV. This regulator extends the battery life by efficiently powering essential components such as microcontrollers (MCUs) and CAN transceivers with its ultra-low quiescent current of 3 µA at light loads. It offers a wide input voltage range, high accuracy, low dropout voltage, and current-limiting capabilities, rendering it an excellent choice for diverse automotive applications. This RoHS-compliant LDO regulator is available in a surface-mount package that measures 3.10 x 5.10 x 1.10 mm and is ideal for powering MCUs and CAN/LIN transceivers, automotive head units, EV and HEV battery management systems, body control modules, and transmission control unit (TCU) applications. Read more.
Low-Noise LDO Voltage Regulator for Instrumentation Applications
The LT1965 from Analog Devices is a Low-Noise LDO Voltage Regulator that is ideal for logic power supplies, post-regulators for switching supplies, and low-noise instrumentation applications. It requires an input voltage of 1.8–2.3 V. This low dropout regulator (LDO) provides an output voltage of up to 19.5 V and has a drop-out voltage of up to 0.055 V. It offers a low-noise performance and operates efficiently with an adjustable quiescent current, dropping to less than 1 µA in shutdown mode. This regulator is compatible with both ceramic and tantalum types and does not require external protection diodes. It benefits from reverse-battery protection, no reverse current, current limiting with foldback protection, and thermal shutdown. This regulator is available in a surface-mount package that measures 4.90 x 3.00 mm. Read more.
Low Dropout Linear Voltage Regulator for LCD Applications
The MCT1117C-1.5 from Micro Commercial Components is a Low Dropout Linear Voltage Regulator that is ideal for power management for computer motherboards, graphics cards, CD monitors, LCD TVs, DVD decoder boards, and ADSL modem post regulators for switching supply applications. It requires an input voltage of up to 18 V. This regulator provides an output voltage of 1.47 V and has a dropout voltage of less than 1.4 V. This LDO regulator includes a thermal shut-down function to prevent over-temperature-related damages and assure stability of the chip. It uses a trimming technique to guarantee high output voltage accuracy within 2%. This RoHS-compliant voltage regulator is available in a surface-mount package that measures 6.7 x 7.3 mm. Read more.
5 V Dual-Mode Low Dropout Regulator for Battery-Powered Applications
The MAX603 from Analog Devices is a Dual Mode Low Dropout Regulator that is ideal for 5 V and 3.3 V regulators, 1.25 V to 11 V adjustable regulators, battery-powered devices, pagers and cellular phones, solar-powered instruments, and portable instrument applications. It requires an input voltage of 2.7 - 11.5 V. This low dropout regulator (LDO) provides an output voltage of 5 V and has a drop-out voltage of up to 320 mV. It employs dual-mode operation, allowing user-adjustable output voltage from 1.25 V to 11 V using external resistors. This regulator also benefits from thermal overload protection and reverse-current protection for enhanced safety. It is available in a surface-mount package that measures 2.64 x 2.54 mm. Read more.
Precision CMOS Voltage Regulator for Camcorder Applications
The XC6204A182DR-G from Torex Semiconductor is a Precision CMOS Voltage Regulator that is ideal for smartphones/mobile phones, portable game consoles, digital still cameras/camcorders, digital audio equipment, reference voltage sources, and multi-function power supplies applications. It requires an input voltage of 2 - 10 V. This regulator provides an output voltage of 1.8 V and has a dropout voltage of up to 300 mV. It consists of a standard voltage source, an error correction circuit, a current limiter, a phase compensation circuit, and a driver transistor. This regulator is compatible with ceramic capacitors, thereby enhancing output stability, even during load variations. It features a built-in current limiter's foldback function that acts as a short-circuit protection mechanism to safeguard the output pin. This RoHS-compliant regulator has an excellent ripple rejection capability. It is available in a surface-mount package. Read more.
5V Low Noise LDO Regulator
The MP20051DQ-LF-Z from Monolithic Power Systems is a Low Noise LDO Regulator that is ideal for notebook computers, cordless telephones, wireless communication equipment, hand-held instruments, and cellular phone applications. It requires an input voltage of 2.5 - 5.5 V. This LDO provides an output voltage of 0.8 - 5 V (adjustable) and has a dropout voltage of 140 mV. It can provide an output current of up to 1A. This LDO regulator consists of a PMOS pass element that controls the flow of current, allowing very low ground current for battery-powered devices. It filters out noise from the power supply and has a Power Supply Rejection Ratio (PSRR) of 63 dB at 1kHz, which makes it suitable for low-frequency applications. This LDO regulator is available in a surface-mount package that measures 3 x 3 mm. Read more.
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Note: This list has been compiled based on user activity on everything PE. To ensure that we cover the whole range of LDO Voltage Regulators we limited the number of products from each category and company. The listed products are shown in random order and are grouped by category.
