Active filters amplify desired signals while rejecting unwanted frequencies, and can be tailored to meet application-specific requirements in electronics.
Amplifiers boost signal strength, match impedance levels, and are essential in many circuit systems, including audio, broadcasting, and telecommunications.
Batteries store and provide electrical energy, come in various types and sizes for multiple uses, rechargeable or single-use.
Capacitors store electrical charge with metallic plates and a dielectric; types vary and can be combined for specific circuit characteristics.
Chip carriers and sockets provide an interface between components and PCBs, enabling easy replacement or upgrading without soldering.
Circuit protection devices prevent damage from overcurrent flow, including fuses, breakers, surge protectors, and voltage regulators.
Connector accessories and support devices aid connector function and longevity, including backshells, grips, clamps, and ties; must be compatible with connector type.
Connectors join electronic circuits to transfer signals and power, come in various sizes and shapes, and include support accessories.
Converters transform DC input to another voltage level, essential in electronic systems, renewable energy, and automotive electronics.
Crystals and resonators generate and stabilize frequency signals via piezoelectricity. They are used in timing, frequency control, and filters. Crystals are quartz and resonators are ceramic with a built-in capacitor.
Semiconductor diodes control current flow in one direction (uni-directionality) via low resistance. Useful for rectification, voltage regulation, detection, and digital logic.
Discover essential electronic components for your devices, including CPU accelerators, system cache controllers, computer processors, motherboards, and graphics computing systems. Enhance device performance and connectivity with reliable components engineered for seamless integration and optimal functionality.
Fiber optics use light pulses to transmit data over long distances. They have superior bandwidth capacity, low signal attenuation, and secure physical properties. They are essential in telecommunications networks today.
Filters enhance signal processing by selectively passing desired frequencies while suppressing unwanted ones. Filters can be passive (using capacitors, resistors, and inductors) or active (using transistors or amplifiers).
Flash devices are non-volatile storage solutions that offer fast read and write speeds, making them ideal for applications requiring high-speed data transfer. These devices utilize flash memory technology, providing reliable storage for data-intensive tasks such as gaming, multimedia, and enterprise-level applications.
General purpose ICs consist of multiple individual circuits or components (e.g., logic gates, amplifiers, oscillators, etc.) that are combined onto a single integrated circuit chip for a smaller physical footprint.
I/O and storage controllers are crucial components in computer systems, managing input/output operations and storage devices. These controllers facilitate efficient data transfer between peripherals, storage drives, and the central processing unit (CPU), enhancing system performance and enabling seamless connectivity.
Inductors store energy in magnetic fields, oppose sudden changes in current flow and prevent electrical surges. Common inductor applications include power supplies, signal filters, and oscillators.
Interface ICs allow efficient device connectivity with high-speed data transfer and low power consumption.They can be ASIC or FPGA types, and may perform additional functions such as sensing, storage, and conversion.
Logic ICs can be used for storage, memory, amplification, and multiplexing. They perform fundamental logical operations on digital input signals (1, 0, H, L) to generate a corresponding digital output signal.
Memory modules are essential components in electronic devices, storing data temporarily or permanently for processing and retrieval. From volatile RAM (Random Access Memory) to non-volatile ROM (Read-Only Memory), memory technologies vary in speed, capacity, and functionality, catering to diverse application requirements.
Memory ICs store digital data and retain the information even when the power is turned off. They come in various types, like RAM (Random Access Memory) for fast data access, and ROM (Read-Only Memory) for permanent data storage.
Miscellaneous semiconductor components are a diverse category of electronic components that combines elements from a mix of component devices.
Optoelectronic devices interact with light. This family of devices can emit light, detect light, generate current, and transmit light signals for long-distance communication.
Oscillators generate repetitive waveforms, such as sine, square, or triangle waves. They are commonly used to produce stable and precise frequencies for applications like clocks, signal generation, and communication systems.
Other Function Semiconductor components are a diverse category of semiconductor components that perform a range of specialized functions.
Passive component networks operate without a power source and support data transmission within system by performing filtering, energy storage, and/or signal coupling functions.
Peripheral ICs (Integrated Circuits) are designed to control and manage the peripheral devices connected to a computer or other electronic device.
Programmable Logic ICs are user-programmable devices that allow designers to create custom logic circuits. These cost saving ICs offer real-time data processing and maximum design flexibilty.
RF (Radio Frequency) and microwave devices are used in telecommunications, wireless communications, and electronic systems. These devices include amplifiers, attenuators, filters, mixers, oscillators, and antennas, and a host of other components.
Voltage regulators are used to ensure a constant output voltage despite power fluctuations and load changes. Linear and switching regulators are common types used to maintain voltage stability.
Relays are electromagnetic switches that are used to control the flow of electrical current in an electrical circuit. Relays are a safe means of providing isolation between a controlling circuit and a controlled circuit.
Resistors control the flow of electrical current in a circuit by introducing a set resistance. These passive components reduce current flow, adjust signal levels, and bias active elements in circuits.
Transducers convert energy from one form to another and are crucial in sensing, audio and control systems. They transform physical measures like temperature, pressure, or sound into electrical signals for circuits.
Storage drives are hardware devices used to store and retrieve digital data in computers and electronic devices. These drives come in various forms, including hard disk drives (HDDs), solid-state drives (SSDs), and hybrid drives, offering different levels of capacity, speed, and durability to suit specific storage needs.
Storage media encompass physical or digital mediums used for storing and preserving digital data. From optical discs and magnetic tapes to USB flash drives and memory cards, storage media come in diverse formats and capacities, offering flexibility and reliability for data storage and archival purposes.
Storage systems comprise hardware and software components designed to manage and store digital data efficiently. These systems range from simple standalone devices to complex network-attached storage (NAS) and storage area network (SAN) solutions, providing scalable storage capacity and data protection features for businesses and enterprises.
Switches control electrical current flow by making or breaking connections. These devices vary in design and application, from basic on/off switches to complex industrial automation systems.
Telecom integrated circuits (ICs) are specialized electronics for telecommunications, tailored to high data rates, low power use, and reliable long-distance transmission. These devices include amplifiers, filters, ADCs, DACs, and more-- and they are often integrated on one chip for specific telecom tasks.
Terminal blocks, or connection terminals, are modular blocks that bring together multiple electrical wires at one connection point. They offer a reliable, organized way to terminate cables.
Thermal management devices control heat in electronic systems, preventing overheating and ensuring optimal performance and reliability. Examples include heat sinks, fans, and thermal interface materials that dissipate or transfer heat away from components.
Transformers are devices that alter electrical voltage levels between circuits through electromagnetic induction. They are vital in power distribution, converting high-voltage electricity for transmission and lower voltage for safe usage.
Transistors are 3-layer semiconductor devices that regulate the flow of electrical current. They function as amplifiers, boosting weak signals, and as switches, controlling the flow of current between terminals.
Triggering devices initiate electronic processes or events in response to specific conditions. These devices support many automated tasks such as activating switches and signals, or turning on lights when motion is detected.
Video cards, also known as graphics cards or GPU (Graphics Processing Unit), are essential components in computers, responsible for rendering graphics and images on display devices. These cards feature dedicated processors and memory, delivering smooth and immersive visual experiences for gaming, multimedia, and professional applications.
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Featured manufacturers
L5991 by STMicroelectronics is a switching controller with current-mode control technique, BCDMOS technology, and 1000 kHz max switching frequency. It has 16 terminals in an in-line rectangular package for applications requiring a 2.5 V output voltage at up to 1.5 A current with a nominal input voltage of 15 V.
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$3.500
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$8.772
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$16.496
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$18.270
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$10.488
Assy Fe
This material offers durability and protection for the internal components of the switching regulator, ensuring long-term reliability.
The high maximum output current allows this switching regulator to power a wide range of components, making it versatile for various applications.
The high switching frequency results in improved efficiency and more precise control over the output voltage, making this product suitable for high-performance applications.
This nominal input voltage allows the switching regulator to operate with a typical power source, making it convenient for many electronic devices.
The BCDMOS technology offers high efficiency and low power consumption, making this switching regulator energy-efficient and suitable for battery-powered devices.
Switching Regulators & Controllers L5991 attributes and parameters. Explore more Switching Regulators & Controllers devices from STMicroelectronics
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L5991 Other Function Semiconductors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
NSN
5999-17-706-1080, 5999177061080
NIIN
177061080
STMicroelectronics is a global leader in the semiconductor manufacturing industry, with over 35 years of experience providing innovative and advanced technologies for customers around the world. Headquartered in Netherlands, STMicroelectronics has more than 51,323 employees worldwide and operates across 32 countries all over Europe, Asia-Pacific and the Americas. The company’s portfolio includes integrated circuits, discrete components, application-specific standard products, and computer chipsets. STMicroelectronics serves a wide range of industries such as automotive, consumer markets, healthcare and industrial applications.
President, CEO
Jean-Marc Chery
President, CFO, Finance, Purchasing,Enterprise Risk Management & Resilience
Lorenzo Grandi
President, Sales & Marketing
Jerome Roux
Castelletto
Fabrication
Fab Initiation
1968
Italy
Wafer Capacity
SGFAB AMK 6
2000
Singapore
29,000
AG200
Agrate Brianza
14,000
RST 8
France
Rousset
35,000
Crolles 1
1993
Crolles
30,000
Crolles 2-ext. mod 5
Crolles 2-ext. mod 2
2022
Crolles 2-ext. mod 3
2023
Crolles 2
2004
28,000
1985
SiC Fab
2006
Sweden
Norrköping
10,000
Fab 3
2005
Tours
2,000
Fab 1 & Fab 2
1978
55,000
Fab 2
1997
Catania
SGFAB-AMK 6E
2003
145,000
SGFAB-AMJ 9
1984
152,000
AG300 (R3)
1980
25,000
1987
34,000
AG300
2024
Crolles 2-ext. mod 1
2020
Fab 1 6-inch fab
2013
11,000
SiC 6-inch line
2021
2,500
200mm GaN
2018
SGFAB-AMK 8
2001
Crolles 2- JV Fab
SGFAB-AMK 6
2016
38,125
SGFAB-AMK 2E
2010
20,000
Silicon Carbide A.B.
SiC wafer/EPI Fab
SiC Device Fab
2025
C1206C104K5RACTU
KEMET Corporation
KEMET C1206C104K5RACTU is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for SMT applications due to its rectangular package shape and wraparound terminals.
ULN2803A
STMicroelectronics
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; No. of Elements: 8; Minimum DC Current Gain (hFE): 1000;
2N7002
Sipex
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Peak Reflow Temperature (C): 240; Terminal Finish: TIN LEAD;
LM317T
Tt Electronics Plc
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Qualification Status: Not Qualified; JESD-30 Code: R-PSFM-T3;
1N4148WS
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Kec
RECTIFIER DIODE; Surface Mount: NO; Maximum Repetitive Peak Reverse Voltage: 100 V; Maximum Non Repetitive Peak Forward Current: 2 A; Config: SINGLE; Maximum Operating Temperature: 200 Cel;
SMBJ18CA
Sensitron Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WT
Fairchild Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Pulse Electronics
International Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LAN8720A-CP-TR
Microchip Technology
LAN8720A-CP-TR by Microchip: Ethernet transceiver with 100 Mbps data rate, operates at 3.3V, and consumes 54mA max supply current. Ideal for network interfaces in commercial applications due to its small size (4x4mm) and low power consumption.
MMBT3904LT1G
Onsemi
MMBT3904LT1G by Onsemi is a NPN BJT with max. collector-emitter voltage of 40V, hFE of 30, and fT of 300MHz. Ideal for small signal applications in electronics due to its compact size, high transition frequency, and low power dissipation capabilities.
Toshiba
Vishay Telefunken
LM7805CT
Texas Instruments
LM7805CT by Texas Instruments is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1.5A. It operates b/w 0-125°C, has a dropout voltage of 2V, and offers excellent line/load regulation for various electronic applications.
Leshan Radio
LM358DT
ROHM
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: LSOP; Package Shape: RECTANGULAR;
SS14
Micro Commercial Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Telefunken Microelectronics
MBR0520LT1G
MBR0520LT1G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.385V and output current of 0.5A. It operates b/w -65°C to 125°C, has a peak reflow temperature of 260°C, and a repetitive peak reverse voltage of 20V. This diode is ideal for applications requiring high-speed switching in compact electronic devices.
TPS560430YFDBVR
TPS560430YFDBVR by Texas Instruments is a switching regulator with a max output current of 0.6A and max output voltage of 24V, ideal for automotive applications. It operates b/w -40 to 125°C, supports a wide input voltage range from 4-36V, and uses pulse width modulation control technique.
TPS54331DDA
TPS54331DDA by Texas Instruments is a switching regulator with a max output current of 3A and a control mode of current-mode. It operates in a temperature range from -40 to 150°C, making it suitable for automotive applications. With a compact package style and low profile design, it is ideal for space-constrained environments.
LM3578AMX/NOPB
LM3578AMX/NOPB by Texas Instruments is a switching regulator with 0-1V output voltage range, 2-40V input voltage range, and 100kHz max switching frequency. Ideal for applications requiring current-mode control technique in small outline packages.
LM5008AMMX/NOPB
LM5008AMMX/NOPB by Texas Instruments is a switching regulator with a max output current of 0.35 A and a max input voltage of 95 V. It is commonly used in automotive applications due to its temperature grade and small package size.
UCC25600DRG4
UCC25600DRG4 by Texas Instruments is a voltage-mode switching controller with BICMOS technology. It operates in automotive-grade temperatures (-40 to 125°C) and supports input voltages from 11V to 18V. With a max switching frequency of 400 kHz, it's ideal for applications requiring resonant control in compact designs.
TPS560430X3FDBVR
TPS560430X3FDBVR by Texas Instruments is a switching regulator with 0.6A output current, 1V min output voltage, and 3.3V nominal output voltage. It is used in automotive applications due to its compact size, pulse width modulation control technique, and wide operating temperature range from -40°C to 125°C.
LM2596T-5.0/NOPB
National Semiconductor
Switching Regulator or Controllers; No. of Terminals: 5; Package Code: ZIP; Package Shape: RECTANGULAR; Surface Mount: NO; Qualification: Not Qualified;
TPS54361DPRR
TPS54361DPRR by Texas Instruments is a switching regulator with a max output current of 3.5A and a max output voltage of 59V, suitable for industrial applications. It operates in current-mode control with a pulse width modulation technique, offering a wide input voltage range from 4.5V to 60V and a compact package style ideal for space-constrained designs.
LMR14206XMKE/NOPB
LMR14206XMKE/NOPB by Texas Instruments is a switching regulator with 6 terminals, operating b/w -40 to 125°C. It offers a max output voltage of 34V and current of 0.6A, suitable for automotive applications due to its compact size and pulse width modulation control technique.
LMR23625CDDA
LMR23625CDDA by Texas Instruments is a switching regulator with 2.5A output current, 1V min output voltage, and 30V max output voltage. Ideal for automotive applications due to its -40 to 125°C operating temperature range and compact design with small outline package style.
LTC3646EMSE#PBF
Linear Technology
SWITCHING REGULATOR; Temperature Grade: INDUSTRIAL; No. of Terminals: 16; Package Code: HTSSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
UC3843BVD1R2G
UC3843BVD1R2G by Onsemi is a current-mode switching controller with max output current of 1A and max switching frequency of 500kHz. Ideal for industrial applications, it operates b/w -40 to 105°C, with input voltage range from 12-25V.
LM2594HVMX-ADJ/NOPB
LM2594HVMX-ADJ/NOPB by Texas Instruments is a switching regulator with a voltage-mode control technique, operating b/w -40 to 125°C. It offers a max output current of 0.5A and supports input voltages from 4.5V to 60V, making it ideal for automotive applications requiring efficient power management in compact spaces.
LM46002PWPR
LM46002PWPR by Texas Instruments is a 16-terminal switching regulator with a max output current of 2A and max output voltage of 28V. Ideal for automotive applications, it operates b/w -40 to 125°C, supports PWM control mode, and has a buck switcher configuration.
LMZ14203EXTTZ/NOPB
SWITCHING REGULATOR; Temperature Grade: MILITARY; No. of Terminals: 7; Package Code: HSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LM51561DSSR
LM51561DSSR by Texas Instruments is a switching controller with a 12V nominal input voltage and 300V max output voltage. Operating in current-mode control technique, it has a max switching frequency of 500 kHz. Ideal for automotive applications due to its -40 to 125 °C temperature grade range.
LM2576HVT-ADJ/NOPB
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 5; Package Shape: RECTANGULAR; Surface Mount: NO; Qualification: Not Qualified;
LM5008AMM/NOPB
Switching Regulator or Controllers; No. of Terminals: 8; Package Code: TSSOP; Package Shape: RECTANGULAR; Surface Mount: YES; Moisture Sensitivity Level (MSL): 1;
TPS61170DRVRG4
TPS61170DRVRG4 by Texas Instruments is a switching regulator with a max output current of 1.44A, operating temperature range of -40 to 85°C, and PWM control mode. Ideal for industrial applications requiring a compact design and efficient power management in the voltage range of 3-38V.
TPS62840DLCR
TPS62840DLCR by Texas Instruments is a switching regulator with 8 terminals, operating b/w -40 to 125°C. It offers a max output voltage of 3.6V and current of 0.75A, suitable for automotive applications due to its compact size and pulse width modulation control technique.
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L5991D
SWITCHING CONTROLLER; No. of Terminals: 16; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES; Maximum Seated Height: 1.75 mm;
L5991D013TR
L5991D013TR by STMicroelectronics is a switching controller with a max output current of 1.5A and a max switching frequency of 1000kHz. It operates on BCDMOS technology, has a nominal input voltage of 15V, and is suitable for applications requiring pulse width modulation control techniques.
L5991A
SWITCHING CONTROLLER; No. of Terminals: 16; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO; Package Body Material: PLASTIC/EPOXY;
L5991AD
SWITCHING CONTROLLER; No. of Terminals: 16; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES; JESD-609 Code: e4;
L5991AD13TR
SWITCHING CONTROLLER; No. of Terminals: 16; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES; Terminal Finish: Nickel/Palladium/Gold (Ni/Pd/Au);
L5993
SWITCHING REGULATOR; No. of Terminals: 16; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO; Package Body Material: PLASTIC/EPOXY;
L5993D
SWITCHING REGULATOR; No. of Terminals: 16; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES; Width (mm): 3.9 mm;
L5993D013TR
SWITCHING REGULATOR; No. of Terminals: 16; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES; Package Body Material: PLASTIC/EPOXY;
L5994
DUAL SWITCHING CONTROLLER; No. of Terminals: 32; Package Code: LQFP; Package Shape: SQUARE; Surface Mount: YES; JESD-30 Code: S-PQFP-G32;
L5994A
DUAL SWITCHING CONTROLLER; No. of Terminals: 32; Package Code: LQFP; Package Shape: SQUARE; Surface Mount: YES; Terminal Position: QUAD;
L5996
SWITCHING CONTROLLER; No. of Terminals: 32; Package Code: LQFP; Package Shape: SQUARE; Surface Mount: YES; Terminal Pitch: .8 mm;
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