Microsemi Corp. (Irvine, CA) announced the LX8211 Series of PMOS-based power regulators targeted at battery-operated laptop and notebook computers, PDAs, mobile phones, pagers, and other portable consumer electronic applications. The new linear regulators are available in two versions, one with a choice of fixed outputs of 2.5V, 2.7V and 3.0V, and one for adjustable voltage […]
International Rectifier (IR, El Segundo, CA) announced a new series of integrated switchers that combine a HEXFET power MOSFET with a controller IC in a single package. The IRIS Series of integrated switchers are claimed to decrease the component count by 25 percent, with same or better efficiency than discrete-based circuits in ac/dc applications. The […]
Micrel Semiconductor (San Jose, CA) announced the first two devices in a new generation of micropower CMOS LDO regulators for battery-powered applications. The new MIC5255 and MIC5256 expand Micrel's line of 150mA micropower LDOs in IttyBitty SOT-23 packaging. They are suitable for use in cellular phones and pagers; battery-powered equipment; and laptop, notebook and palm […]
Maxim Integrated Products (Sunnyvale, CA) announced its new SOT-23 off-line power-supply controllers, the MAX5021 and MAX5022. These new current-mode PWM controllers contain all the control circuitry required for the design of wide-input voltage range isolated power supplies. They are suitable for use in universal input (85Vac to 265Vac) off-line or telecom (-36Vdc to -72Vdc) power […]
STMicroelectronics (Switzerland) announced an integrated semiconductor chip that functions as a controller and can be directly embedded in the motor assemblies and solenoids of cars. The new design can be integrated into the electromechanical components of a car. ST reports that the new chip has been produced for DaimlerChrysler (Germany) and expects to produce similar […]
Fairchild Semiconductor (San Jose, CA) announced the new FS6S Series of switched-mode power supply power switches for CRT monitor flyback power supplies....
di/dt Inc. announced its new QL48 family of dc/dc converters, claimed to be the industry's first quarter-bricks designed specifically to power low-voltage silicon devices in telecommunications, data communications and server applications. The QL48 converters provide single-stage conversion from a 48V bus to sub-volt levels. They are available in standard output voltages of 1.2V, 1.0V and […]
Siliconix Inc., an 80.4-percent-owned subsidiary of Vishay Intertechnology Inc. (Malvern, PA) announced the release of the first ESD-protected devices in its lead-less ChipFET power MOSFET series. The new p-channel devices, which occupy a footprint measuring 3.05mm x 1.80mm, are suitable for use in load switching, battery-charger switching and power amplifier switching in cellular phones, PDAs […]
Elantec Semiconductor Inc. (Milpitas, CA) introduced two new dual, low-noise operational amplifiers. The EL2227C and EL2228C are suitable for use in telecommunications and medical-imaging applications. The EL2227C has a voltage-noise specification of 1.9nV/rt-Hz and a current noise specification of 1.2pA/rt-Hz. It features a bandwidth of 115MHz and has a minimum gain of two. The EL2228C […]
Maxim Integrated Products (Sunnyvale, CA) debuted its new MAX1813 step-down controller. Intended for core CPU dc/dc converters in notebook computers, the controller features a five-bit DAC adjustable output. Maxim claims that the controller has ultra-fast transient response, high dc accuracy and high efficiency. The MAX1813 features +/-1 percent Vout accuracy over line. It has an […]
Semtech Corp. (Newbury Park, CA) announced the SRV05-4 four-channel, low-capacitance, transient-voltage suppressor (TVS) protection array, the newest addition to its RailClamp TVS product family. Applications for the SRV05-4 include monitors and flat-panel displays, video graphics cards, cellular phone SIM ports, notebook computers, hand-held computers and PDAs, as well as high-speed data lines and digital video […]
Texas Instruments (TI, Dallas, TX) announced the OPA2677 high output current operational amplifier. Operating on a single 12V supply, the OPA2677 consumes 9mA/chan quiescent current to deliver a 500mA peak output current. The guaranteed minimum output current is greater than 380mA with low harmonic distortion. The OPA2677 is packaged in an SO-14. Two logic-control lines […]
Maxim Integrated Products (Sunnyvale, CA) has debuted the MAX1844 single PWM controller. Claimed to have high efficiency, excellent transient response, and high dc output accuracy, the controllers are suitable for use in CPU core, chipset, DRAM and other low-voltage supplies. Features of the MAX1844 include a 1-percent Vout accuracy over line and load, Quick-PWM with […]
Siliconix Inc. (Santa Clara, CA), a subsidiary of Vishay Intertechnology (Malvern, PA), announced that it is now shipping a new series of...
General Semiconductor Inc. (Melville, NY) has introduced its first family of fixed and adjustable LDO voltage regulators, the GS1117 family. The new...