Search results for "capacitor"
Tiny USB PowerPath Manager Withstands 60V Inputs
Linear Technology has introduced the LTC4090, an autonomous linear PowerPath manager, ideal diode controller and stand-alone high input voltage battery charger for portable USB devices. For high efficiency charging, the switching front-end topology accommodates various inputs, including high voltage power sources up to 38V (60V max withstand capability) such as 12V regulated/unregulated AC-DC wall adapters, FireWire ports or automotive power. In ...
Linear Regulator Withstands 80V Input at 140°C
Linear Technology has announced a new higher temperature version of the LT3010, a high voltage micropower, low dropout regulator that delivers up to 50mA of continuous output current. The newly released H grade version enables operation up to 140°C, compared to the E grade which operates up to 125°C. The LT3010 features an input voltage range of 3V to 80V, delivering output voltages as low as 1.275V. The LT3010-5 provides a fixed 5V output. The...
DC/DC Converter from Linear Technology Delivers 1.4A per Channel
Linear Technology has announced the LT3508 a dual channel current mode PWM step-down DC/DC converter with two internal 40V, 2A power switches packaged in a 24-lead 4mm x 4mm QFN or TSSOP-16E package. Each channel is capable of delivering 1.4A of output current with efficiencies up to 89%. Its wide input range of 3.7V to 36V makes it ideal for regulating power from a wide variety of sources, including unregulated wall transformers, 24V industr...
Step-Down DC/DC Converter with Linear Controller in 3mm x 3mm DFN from Linear Technology
Linear Technology has announced the LT1939, a 2A, 25V step-down switching regulator and a linear controller in a 3mm x 3mm DFN package. The LT1939 operates from a VIN range of 3V to 25V, making it suitable for regulating power from a wide variety of sources, including protected automotive batteries, industrial supplies and unregulated wall adapters. Its 2.3A internal switch can deliver up to 2A of continuous output current at voltages as low as 0...
32V Input Synchronous Step-Down Regulator from Linear Technology
Linear Technology has announced the LTC3611, a high efficiency, synchronous buck regulator that delivers up to 10A of continuous output current at voltages as low as 0.6V. It operates from an input voltage of 4.5V to 32V (36V ABS Max), making it ideal for applications with multicell Li-Ion, lead acid batteries or fixed voltage rails up to 32V.
Power management solutions for Li-Ion/Polymer battery applications
Linear Technology has announced the LTC3556, the latest in a family of smaller next-generation, multi-function power management solutions for Li-Ion/Polymer battery applications. The LTC3556 integrates a switching PowerPath™ manager, a stand-alone battery charger, an ideal diode, I2C control, a synchronous buck-boost regulator, two high efficiency synchronous buck regulators plus an always-on LDO, all in a compact, low-profile 4mm x 5mm QFN pac...
White LED Driver from Linear Technology Powers up to 10 LEDs
Linear Technology has announced the LT3593, a high efficiency constant current white LED driver packaged in a 2mm x 2mm DFN (or ThinSOT) package. It features a unique high-side LED current sense topology that enables the LED cathode to be connected directly to ground, creating a single wire current source. Also a single digital control pin enables set-and-forget LED dimming with ratios as high as 32:1. The LT3593 is designed to drive up to 10 whi...
Piezoelectric Energy Harvesting Power Supply
Linear Technology announces the LTC3588-1, a complete energy harvesting solution optimized for low energy sources, including piezoelectric transducers. The LTC3588-1 integrates a low-loss, full-wave bridge rectifier with a high efficiency buck converter to harvest ambient vibrational energy via piezoelectric transducers and then convert it to a well-regulated output to power application microcontrollers, sensors, data converters and wireless tran...
2.25MHz Synchronous Step-Down DC/DC Converter with Programmable Input Current Limit Delivers up to 800mA
Linear Technology announces the LTC3606B, a 2.25MHz, synchronous buck regulator with programmable average input current limit. It can deliver up to 800mA of continuous output current with efficiencies as high as 96%. Using a constant frequency and current mode architecture, the LTC3606B operates from an input voltage range of 2.5V to 5.5V, making it ideal for single-cell Li-Ion and USB applications. It can generate output voltages as low as 0.6V,...
LTM8031 - EMC Compliant, 1A, 36V DC/DC µModule Regulator
Linear Technology Corporation introduces a complete 1A DC/DC regulator system-in-a-package, the LTM8031. This is the second member of Linear's new electromagnetic-compatible DC/DC µModule family. The LTM8031 includes the inductor, switching DC/DC controller, power switches, filters and all support components housed in a 9mm x 15mm x 2.82mm land grid array package.