Search results for "regulator"
Ultralow Power 15mA Synchronous Low Noise Step-Down Switching Regulator
Linear Technology has announced the LTC3620, a high efficiency, synchronous buck regulator which can deliver up to 15mA from a very small footprint for single Li-Ion-powered applications. The internal synchronous switches deliver efficiencies as high as 95% while Burst Mode® operation requires only 18uA of quiescent current, maximizing battery run time. The LTC3620 can take a 2.9V-5.5V input, and is adjustable to outputs as low as the 0.6V, wher...
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.
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-...
MOSFET Gate Driver Operates over a -55°C to 125°C Junction Temperature Range
Linear Technology announced a new high reliability (MP-grade) version of the LTC4441, a 6A N-channel MOSFET gate driver that operates over a -55°C to125°C operating junction temperature range. This high power driver is designed to increase the output power and efficiency of a DC/DC controller, enabling it to drive high power N-channel MOSFETs or multiple MOSFETs in parallel. Its gate drive voltage is adjustable from 5V to 8V, allowing designer...
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.
Dual Output Synchronous Step-Down DC/DC Controller with Digital Power System Management via I2C/PMBus Interface & Onboard EEPROM
Linear Technology announced the LTC3880/-1, a dual output high efficiency synchronous step-down DC/DC controller with I2C-based PMBus interface for digital power system management. The device combines best in class analog switching regulator performance with precision mixed signal data conversion for unsurpassed ease of power system design and management, supported by the LTpowerPlay software development system with easy-to-use graphical user int...
Compact DMOS microstepping motor driver IC with built-in translator
The A4983 from Allegro MicroSystems Europe is a compact DMOS microstepping motor driver IC with built-in translator circuitry for easy operation. The new device combines an easy-to-use step and direction interface with a high output capability of up to 35 V and ±2 A and high-resolution microstepping control. It is designed for the PWM (pulse-width modulation) control of bipolar stepper motors in full-, half-, quarter-, eighth, and sixteenth-step...
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...
Allegro MicroSystems - Hall-effect latches withstand high-voltage transients and high temperatures
The new A1225, A1227 and A1229 from Allegro MicroSystems Europe are a family of Hall-effect latch ICs that combine enhanced protection against high transient voltages with the ability to operate over extended temperature ranges up to +150°C.
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 ...