Search results for "capacitors"
Dual 300mA Low Dropout Regulator
Catalyst Semiconductor has announced the CAT6221 300mA, dual-output LDO. The CAT6221 integrates two 300mA regulators in a tiny, 6-lead, 0.8mm height TSOT-23 package, providing a smaller, cost-effective option for cell phones, battery-powered devices and other portable consumer products requiring two LDOs.
New 2MHz Step-Down DC/DC Converters from Linear Need Only 2.7µA of Quiescent Current
Linear have announced the LT3975, a 42V step-down switching regulator that can deliver 2.5A of continuous output current and requires only 2.7µA of quiescent current. Similarly, the LT3976 can operate from a 40V input, delivers up to 5A of output current and requires only 3.3µA of quiescent current. Both devices offer a 4.2V to a nominal 40V input voltage range, making them ideal for automotive and industrial applications.
I2C Controlled 4-Output Synchronous Step-Down DC/DC Converter
Linear Technology has announced the LTC3562, a quad channel, high efficiency, 2.25 MHz, synchronous buck converter that can deliver dual 600mA and dual 400mA continuous outputs from a 3mm x 3mm QFN package. Using a constant frequency current mode architecture, the LTC3562 operates from an input voltage range of 2.7V to 5.5V, making it ideal for single cell Li-Ion/polymer, or multicell alkaline/NiCad/NiMH applications.
DC/DC µModule Step-Down Regulator from Linear Delivers up to 100A
Linear has today announced the introduction of a dual 13A per output or single 26A output DC/DC microModule step-down regulator that delivers up to 100A when four devices are current shared. The LTM4620 is a complete DC/DC regulator system in a 15mm x 15mm x 4.41mm LGA package, including inductors, power stages and all control circuits.
36V, 3.5A, 2.4MHz Step-Down DC/DC Converter Requires Only 75µA of Quiescent Current & Operates with 150ºC Maximum Junction Temperature
Linear Technology has announced the H-grade version of the LT3680, a 3.5A, 36V step-down switching regulator with Burst Mode operation to keep quiescent current under 75µA. The LT3680 operates within a VIN range of 3.6V to 36V, making it ideal for load dump and cold-crank conditions found in automotive applications. The H-grade version operates up to a junction temperature of 150ºC, compared to the E and I versions' 125ºC maximum junction temp...
36V, 4A Synchronous Step-Down Regulator Now Offered in High Temperature “H” Grade & High Reliability “MP” Grade
Linear Technology announces the high temperature (H-grade) and High Reliability (MP-grade) versions of the LT3690. This 36V input capable, synchronous step-down switching regulator can deliver up to 4A of continuous output current at efficiencies as high as 93%. The LT3690 operates within a VIN range of 3.9V to 36V, and offers transient protection to 60V, making it well suited for load dump and cold-crank conditions found in automotive applicatio...
USB Power Manager & Dual Buck PMIC Optimized for Ultralow IQ
Linear Technology has announced the LTC3554, a micropower multifunction power management integrated circuit (PMIC) solution for portable Li-Ion/Polymer battery-based applications. The LTC3554 integrates a USB-compatible linear PowerPath™ manager, a stand-alone battery charger, two high efficiency synchronous buck regulators and pushbutton control in an ultra-thin (0.55mm) 3mm x 3mm QFN package.
3A, 4MHz, Synchronous Step-Down Regulator in 3mm x 4mm QFN
The LTC3612 is a high efficiency, 4MHz synchronous buck regulator from Linear Technology that incorporates a constant frequency, current mode architecture. It can deliver up to 3A of continuous output current at output voltages as low as 0.6V from a 3mm x 4mm QFN or a thermally enhanced TSSOP-20 package. The LTC3612 operates from an input voltage of 2.25V to 5.5V, making it ideal for single cell Li-Ion applications as well as 3.3V or 5V intermedi...
Regulated 60mA Step Up Charge Pump in small DFN Package
Linear Technology has announced the LTC3221/-3.3/-5 regulated step up charge pumps offered in the compact 2mm x 2mm DFN package. Featuring 60mA output current and Burst Mode operation, the LTC3221 family consumes an ultra-low quiescent current of 8uA, saving battery run time in portable device applications. The LTC3221 has an adjustable output voltage and a wide input voltage range of 1.8V to 5.5V with a maximum output level not greater than twic...
DC/DC Converter Delivers up to 600mA with Spread Spectrum or PLL Operation
Linear Technology has announced the LTC3543, a high efficiency, 2.25 MHz, synchronous buck regulator that can deliver up to 600mA of continuous output current from a 2mm x 3mm DFN package. The LTC3543 can run in either a constant 2.25MHz frequency, spread spectrum or synchronized phase lock loop (PLL) mode, offering multiple choices for very low noise operation. Its current mode architecture operates from an input voltage range of 2.5V to 5.5V, m...