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Buck Converter Includes Performance Monitoring

May 29, 2008 7:42 am | Product Releases | Comments

Provided in a 4-mm² MLPQ 12-pin package, the AS7620, a hysteretic, high efficiency, 32-V step-down DC/DC buck converter from austriamicrosystems provides both "early-power-fail" warning and "power-good" signals for alerts in performance-sensitive systems. Optimized for industrial 24-V applications, the converter is available with

LISTED UNDER: ICs
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Schottky Diode Touts High Efficiency, Ultra Small Package

May 28, 2008 11:18 am | Product Releases | Comments

Central Semiconductor released its CMASH-4 Schottky diode in the SOD-923 package. This new FEMTOmini device is a 40V, 200 mA Schottky diode with a forward voltage drop (VF) of 0.38V maximum at 1.0 mA and a switching speed (trr) of 5 ns maximum. According to the company,

LISTED UNDER: ICs

Rectifier Controller Optimizes Flyback Converters

May 28, 2008 6:44 am | Product Releases | Comments

Enabling designers to replace lossy Schottky diodes with MOSFETs, the ZXGD3101 ZPDD dedicated rectifier controller can reduce size, weight and heat generation in synchronous flyback converters ranging from 50 to 150 W. Incorporating a high-voltage differential amplifier stage and a high-current driver, the SM8-packaged device

LISTED UNDER: ICs

Dual Channel Delay Line IC Features 5 ps/Step Signal Delays, Runs At 3.2 Gpbs

May 23, 2008 5:45 am | Product Releases | Comments

Micrel launched the dual channel SY89297U delay line IC. The second generation device can be serially programmed to provide 5 ns of delay per channel while running up to 3.2 Gbps/1.6 GHz. The delay is very linear and monotonic, providing precise delay for high-speed applications. The device includes

LISTED UNDER: ICs

DAC Provides 16-bit Linearity

May 21, 2008 8:32 am | Product Releases | Comments

Offering six software-programmable output ranges, the LTC2755-16 quad 16-bit current output digital-to-analog converter (DAC) from Linear Technology provides 16-bit linearity (±1LSB (max) INL and DNL) over the industrial temperature range without any adjustment. Each DAC output can be individually programmed through a parallel interface or can be pin-strapped for operation within a single range.

LISTED UNDER: ICs

SSLD Drives 2.5-inch AMOLEDs

May 16, 2008 12:37 pm | Product Releases | Comments

Driving the next generation of handheld devices, the TPS65136 solid-state lighting driver (SSLD) from Texas Instruments manages power to AMOLED (active-matrix organic light-emitting diode) displays up to 2.5" with a buck-boost topology that allows the device to generate a positive voltage up to 4.6 V and adjustable negative output voltage down to -7 V.

LISTED UNDER: ICs | Optoelectronics & Displays

Dimmable SSLD powers up to 10 White LEDs

May 15, 2008 6:02 am | Product Releases | Comments

Operating with an input from 2.7 to 5.5 V, the constant current LT3593 SSLD (solid-state lighting driver, or "sled") from Linear Technology is designed to drive up to 10 white LEDs from a single Li-Ion cell at efficiencies over 80%. With a 1-MHz constant switching frequency and a ±5% reference accuracy, the device includes features such as a single digital control pin

LISTED UNDER: ICs

RFID Chip Delivers Detailed Data

May 13, 2008 7:22 am | Product Releases | Comments

Presented as the only commercially available chip of its kind, the IDS-SL13A smart active label chip from IDS Microchip can automatically track, monitor, time-stamp, and record information about any tagged goods in any supply chain or cold chain transport. By tracking unseen changes such as extreme temperatures

LISTED UNDER: ICs

N-channel MOSFETs Tout Low On-state Resistance and High Switching Capability

May 9, 2008 8:34 am | International Rectifier | Product Releases | Comments

International Rectifier expanded its portfolio of 60V, 75V and 100V MOSFETs for switch mode power supplies (SMPS), uninterruptible power supplies (UPS) and industrial applications such as power tools, forklifts and other high power DC drives. These new N-channel MOSFETs feature

LISTED UNDER: ICs

Micropower Hall-effect Switch Conserves Board Space

May 9, 2008 8:13 am | Product Releases | Comments

Allegro MicroSystems introduced an ultra sensitive, Hall-effect switch with latched digital outputs and omnipolar magnetic actuation. It features operation at low supply currents and voltages, making it appropriate for battery operated electronics. The low operating supply voltage, 1.65V to 3.5V, and unique

LISTED UNDER: ICs

ADCs Extend Operation in Power-Sensitive Applications

May 9, 2008 7:13 am | Product Releases | Comments

Targeting battery-powered applications such as remote sensors, the LTC2451 and LTC2452 from Linear Technology are a pair of 16-bit delta sigma ADCs have a 0.5µA (max) shutdown current to extend system operating life. For example, the devices dissipate just 40 µW from a 3-V supply when sampling once per second. With a dynamic input current of less than 50 nA, the 3 x 2-mm 8-pin DFN-packaged devices

LISTED UNDER: ICs

Fast-Switching Thyristors Provide Enhanced dv/dt Performance

May 7, 2008 8:09 am | Product Releases | Comments

Littelfuse introduced the EV Series  Enhanced Version Teccor brand Thyristors. They feature a minimum rated blocking voltage (Vdrm/Vrrm) of up to 800V, a maximum turn-on time (tq) as low as 25 µs, and a minimum rated static dv/dt of up to 75 V/µs. The high blocking voltage and dv/dt immunity are suited to designers creating circuits for

LISTED UNDER: ICs

High Frequency, High Voltage Vertical FETs

May 5, 2008 1:56 pm | Product Releases | Comments

HVVi Semiconductors introduced its High Frequency, High Voltage Vertical Field Effect Transistor (HVVFET) architecture with products designed to operate from 24V to 48V and which feature low thermal resistance and high ruggedness. According to the company, the gain, efficiency and power density characteristics offer an opportunity to

LISTED UNDER: ICs

Chipscale Buck Regulator Integrates Double Power Monitoring

May 5, 2008 7:48 am | Product Releases | Comments

Provided in a 4x4-mm MLPQ 12-pin package, the AS7620 from austriamicrosystems is a hysteretic, high efficiency 32-V step-down regulator deliver both “early-power-fail” warning and “power-good“ signals for increased system reliability. Operating with an efficiency as high as 93%, the 500-mA device accepts from 3.6 V to 32 V and is available with a fixed 3.3-V output or

LISTED UNDER: ICs

Serial EEPROMs Boast Single I/O Bus

May 5, 2008 7:05 am | Microchip Technology Inc. | Product Releases | Comments

Based upon the patent-pending UNI/O memory-device protocol, a 10-member family of serial EEPROM devices from Microchip have a single I/O bus interface and are presented as the first devices that can support any data rate from 10 to 100 kHz and the only 1-, 2-, 4-, 8-, and 16-kbit EEPROMs available in a 3-pin SOT-23 package.

LISTED UNDER: ICs

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