Semtech Corp has announced the SC620, an octal, I2C-controlled LED driver. The SC620 is designed to provide regulated currents for powering a wide range of LEDs, including white, red, blue, green or yellow, with different forward voltages. The SC620 is designed to drive the LED backlights for small to medium size LCDs in portable systems that use rechargeable lithium ion/polymer batteries, but may also be applied in systems with a fixed 5V or 3...

Semtech Corp has announced the SC471(A) and SC475A synchronous, pulse-width modulation (PWM) buck controllers with integrated voltage-transitioning switches for “on-the-fly” voltage output changes and voltage margining. The SC471(A) features two FET switches to allow the output to change dynamically between up to four different levels. The SC471(A) can be used as a voltage-margining controller for functionality and reliability testing of a ...

Semtech has announced the SC2447, said to be the industry’s first DC-DC step-down (buck) controller for DrMOS power devices. The SC2447 is a 1MHz synchronous PWM buck controller designed to drive DrMOS power devices in compact, high-efficiency DC-DC power converters for telecom, datacom, switches, routers, and other high-end applications. The dual-channel SC2447 can produce two independent outputs of up to 30A each or a single high-current out...

Semtech has announced the uClamp 0524P, the first 5V electrostatic discharge protection device with a flow through design. The four-line device is ideal for portable systems and replaces four separate discrete components, saving both cost and board space.

Semtech has announced the E7802 dual channel driver + window comparator product to address the challenges of next generation, cost-sensitive and high-density ATE applications. It features two channels of high-current drivers and window comparators in a tiny 5mm x 5mm QFN package for the smallest per-channel footprint on the market. It has an exposed heat slug for superior thermal management and electrical characteristics, enabling it to operate ...

Semtech has announced the SC194B, a highly integrated 1A DC-DC step-down (buck) regulator with the small size and output flexibility needed for portable device applications. It has an input voltage range from 2.7V to 5.5V with a focus on portable applications that use Li-ion batteries. It is a sister part to the recently announced SC194A, which is feature compatible but offers outputs between 1V and 1.8V.

Semtech has introduced the SX8722, a complete, high-resolution data acquisition device for micro-electromechanical systems (MEMS) sensors used in portable industrial and consumer sensing applications. The SX8722 interfaces with most Wheatstone bridge chemical, pressure or magnetic sensors to condition and read data. The device features Semtech’s ZoomingADC, a 16-bit analog/digital converter (ADC) with a 10-bit preamplifier to allow the device ...

Semtech Corp has announced the ACS8946 and ACS8944 jitter attenuating and multiplying (JAM) phase locked loop (PLL) devices for generating low jitter output clocks for low-cost SONET/SDH and Gigabit Ethernet line cards.

Semtech has announced the SC457 and SC458 power supply controllers with digitally controlled output and fast transient performance for processors and graphics chips used in notebook computers. With a built-in 7-bit DAC, the output voltage of the SC457 and SC458 can be digitally programmed in 12.5 mV steps from 0.3V up to 1.5V for precision control over output voltages.

Semtech Corp has announced the SC4612, a 28V synchronous buck power converter with a wide input range and a programmable 1.2 MHz frequency for compact power supply designs. It is a voltage-mode synchronous, PWM controller that operates in a 4.5V to 28V input voltage range and drives external N-channel MOSFETs.

Semtech Corp has announced three new, single-line versions of its uClamp protection products designed for portable devices with low voltage levels, starting at 3.3V. The uClamp3301P is designed to protect 3.3V lines, the uClamp0501P is designed to protect 5V lines, and the uClamp1201P is designed to protect 12V lines.

Semtech has announced the SC250 and SC251, the first members of a DC/DC step-down power converter family designed to improve battery life by providing adaptive DC power control in CDMA and WCDMA handsets.

Semtech has announced the E8400, the first off-the-shelf device to integrate all of the functionality needed for two complete channels of 500MHz/1Gbps pin electronics for high-performance system on chip (SoC), memory, and other testers.

Semtech has announced the SC452 and SC454 pulse-width-modulation power supply controllers for notebook computers that incorporate Intel Centrino Duo mobile technology. The two controllers are IMVP-6 compliant and represent the latest devices stemming from Semtech’s developer’s agreement with Intel. The devices feature 5V input voltage and meet all of Intel’s standards designed to extend battery life and manage heat levels.

Semtech has announced the SX1223, a single-chip, ultra-high frequency transmitter for wireless security and automation applications. The SX1223 is optimized for design reuse with programmable channel, bit rate, frequency deviation and output power - making it well suited for both cost-reducing legacy products and next-generation designs.

Semtech Corp., a leading supplier of analog and mixed-signal semiconductors for communications, portable devices, computers, and industrial equipment, today announced the E7765, the first off-the-shelf quad-pin electronics driver with the performance and differential signal capability required for testing next-generation, high-speed memory devices such as DDR III.

Semtech has announced the SC194A, a highly integrated 1A DC-DC step-down (buck) regulator with the small size and output flexibility needed for portable device applications. The SC194A has an input voltage range from 2.7V to 5.5V with a focus on portable applications that use Li-ion batteries. The device uses two programming pins to allow users to set the output voltage to 1.0V, 1.2V, 1.5V or 1.8V. These pins can be hard-wired to set a constan...

Semtech has announced the µClamp™0506P, the industry’s first ultra-small six-line 5V protection device for portable systems. The µClamp0506P is the latest addition to Semtech’s MicroClamp product family, which now has the industry’s widest selection of line capacities – from one to six lines. The device works in any portable device, but is a natural fit for 12-button mobile phone keypads, reducing the number of protection parts need...

Semtech has announced its SC905 family of power management ICs for cell phones and multi-function portable devices. These ICs feature nine ultra low dropout (ULDO) regulators capable of sourcing up to 300mA from multiple inputs via an I2C serial interface, offering great design flexibility.

Semtech has announced the SX8801R, an ultra low power, high-resolution system-on-chip (SoC) for data acquisition from micro-electro-mechanical systems (MEMS) sensors in battery-powered consumer, medical and industrial systems.