Search results for "capacitor"
Dual 2.25MHz Synchronous Step-Down DC/DC Converter with Programmable Input Current Limit Delivers 400mA & 800mA Independently
Linear Technology has announced the LTC3619, a dual output, high efficiency, 2.25 MHz, synchronous buck regulator with programmable average input current limit. It can deliver up to 800mA of continuous output current from one channel and 400mA from the other with efficiencies as high as 96%. Using a constant frequency and current mode architecture, the LTC3619 operates from an input voltage range of 2.5V to 5.5V, making it ideal for single-cell L...
Configurable Supply Monitor Integrates Adjustable Watchdog & Reset Timers for Multi-Rail Systems
Linear Technology has introduced the LTC2939, a 6-channel supply monitor with processor supervisory functions that can be configured for low voltage applications down to 1.2V. One of sixteen preset or adjustable voltage threshold combinations can be selected, all of which maintain an accuracy of ±1.5% from -40ºC to 125ºC.
LT3689 - Micropower Step-Down Regulator Has On-Chip Power-On Reset & Watchdog Timer
Linear Technology has announced the LT3689, a 700mA, 36V input step-down switching regulator with a power-on reset and watchdog timer. Its Burst Mode operation keeps quiescent current under 85uA in no load standby conditions. The LT3689’s 3.6V to 36V input voltage range, with 60V transient ride through, makes it ideal for load dump and cold crank conditions commonly found in automotive applications.
Single-IC USB Power Manager, Ideal Diode Controller & Battery Charger for Portable USB Devices
Linear Technology Corporation introduces the LTC4085, a monolithic autonomous power manager, ideal diode controller and standalone battery charger for portable USB devices. The LTC4085 features PowerPath™ control that provides power to the USB peripheral device and charges the peripheral's single-cell Li-Ion battery from the USB VBUS or a wall adapter power supply. To comply with USB current limit specifications, the LTC4085 automatically reduc...
USB Power Manager and Battery Charger in 18mm2 Package
Linear Technology has introduced the LTC4089 and LTC4089-5, each featuring an autonomous power manager, ideal diode controller and standalone high-voltage switching battery charger for portable USB devices. For high efficiency charging, their switching topology accommodates various inputs, including high voltage power sources up to 36V (40V max) such as 12V AC-DC wall adapters, FireWire ports or automotive batteries. In addition, they accept low-...
Ultralow VIN DC/DC µModule Regulator with Onboard 5V MOSFET Gate Drive Delivers 15A from Inputs Down to 1.5VIN
Linear Technology has introduced the LTM4611, a complete switch mode DC/DC µModule point-of-load regulator capable of generating its own 5V N-channel MOSFET gate drive for very efficient voltage conversion from 3.3VIN or less to loads as low as 0.8V at up to 15A.
Automotive-grade full-bridge MOSFET pre-driver IC from Allegro MicroSystems
The new A3941 from Allegro MicroSystems Europe is an H-bridge device which complements the company’s existing line of automotive-grade MOSFET pre-driver ICs. This new device is designed around Allegro’s latest generation of BCD semiconductor process technology and includes enhanced features which make it an ideal choice for high-temperature automotive systems and industrial systems using a 24 V battery supply. In particular, significant im...
Automotive grade relay driver IC
The new A2550 from Allegro MicroSystems Europe is an automotive grade relay driver IC which incorporates a 5 V voltage regulator, watchdog and reset circuitry, and three low-side DMOS relay driver outputs, providing robust performance over extended voltage and temperature ranges. The new device is designed to provide key functions in automotive relay-based applications where a microprocessor is used to implement complex system control and require...
Digitally programmable dual full-bridge MOSFET driver IC
The new A3985 from Allegro MicroSystems Europe is a digitally programmable dual full-bridge gate driver IC suitable for driving a wide range of higher power industrial bipolar two-phase stepper motors, two-phase brushless DC motors or dual brush DC motors in industrial, medical and office automation applications. The compact package of the A3985 means that a complete high-current microstepping motor driver or dual DC motor system can be implemen...
Three-phase brushless DC motor pre-driver IC for office automation applications
The A4936 from Allegro MicroSystems Europe is a three-phase brushless DC motor pre-driver IC targeted at applications within the office automation sector including laser printer and copier drum drives. The new device incorporates outputs for the direct high-current gate drive of an all N-channel power MOSFET three-phase bridge with a maximum supply voltage of 38 V. Also included in the A4936 device are three Hall-element inputs, a sequencer for ...