Fairchild Semiconductor Corp.

3030 Orchard Pkwy.
San Jose, CA 95134

PFC Controller meets green requirements.

FAN4822 PFC employs zero-voltage switching control circuitry for efficient operation at high switching frequencies. Continuous boost architecture achieves power factor up to 98% and low total harmonic distortion necessary to comply with green initiatives, such as IEC 1000-3-2 standard for energy efficiency and noise reduction. Unit is rated for operation over -40 to +85 deg C, and is available in...

Communication Systems & Equipment

CMOS Power Amplifier suits portable applications.

Model FAN7021 produces up to 1W of low-distortion continuous output power (1.5W peak) with supply voltages from 2.0V to 5.5V. Device utilizes integrated adaptive bias current control circuit, and has low-shutdown current consumption (0.1 microamp). Total harmonic distortion (THD) is 0.2%, and power supply rejection ratio (PSRR) is 65dB. Thermal shutdown protection, unity gain stability, and...

Agricultural & Farming Products

Dual PWM Controller simplifies design of memory systems.

FAN5236 dual synchronous switch-mode power supply controller offers solutions for bus termination in high-speed memory systems using DDR-1, DDR-11, or HSTL interfaces. It provides VDDQ core and VTT termination power, buffered VREF output, and allows users to cascade multiple devices. VTT output sources and sinks up to 3A, tracking VDDQ/2 to within Ã-

Electrical Equipment & Systems

Stepping Motor Drive IC operates in -20 to +75-

Model FAN8200 2-channel drive IC is manufactured using bipolar process. Integrated dual H-bridge drivers with vertical PNP power transistors result in low saturation voltage (0.4V @ 0.4A) and optimum thermal characteristics (Vcc = 2.5V ~ 7.0V). Unit features built-in shoot-through current protection and thermal shutdown (TSD) function. FAN8200 accommodates 3.3 or 5V MPU control input, and...

Controls & Controllers

DC-DC Controller has adjustable output.

FAN5250 accepts input voltages from input sources, including ac wall brick adapters and battery packs ranging from 5 to 24 V. Unit performs synchronous conversion to provide over 5 A loads in typical applications. Output is adjustable by a 5-bit VID DAC between 0.6 and 1.75 V, using a low-drift onboard reference with accuracy of better than 1%. FAN5250 is available in a 24-pin QSOP package,...

Agricultural & Farming Products

Optocouplers are available in tape and reel configuration.

The half-pitch mini-flat package, which includes HMHA281, HMHA2801, and HMHAA280 optocouplers, features 4 surface-mount leads on 0.05 in. spacing, and has 61% smaller footprint than a 4-pin dual inline surface-mount package. Optocouplers consist of a single gallium arsenide infrared emitting diode (dc input), which drives a silicon phototransistor. Applications include telecommunications, power...

Controls & Controllers

Switching Regulator handles double data rate memory.

Self-contained FAN6555 handles termination requirements of DDR memory arrays. It has high-efficiency MOSFETs capable of handling up to 2A (source and sink) of continuous load current and 3A peak current at termination voltage, regulated to 13% over changing load conditions. Regulator has buffered VREF output for cascaded bus systems, shutdown control for standby mode and thermal shutdown...

Electrical Equipment & Systems

D/A Converter accommodates video and graphics.

Image-quality FMS3818 triple 8-bit DAC has conversion rate of 180MHz, making it suitable for display applications, including video, computer graphics cards and workstations, plus systems with XGA, SXGA, and UXGA resolution. It has power-down control to conserve battery power in portable equipment, double-buffered digital inputs for low distortion, and an onboard bandgap voltage reference. DAC is...

Controls & Controllers

Switch-Mode DC-DC Controller has output accuracy of +3%.

Model FAN5037 high-power, switch-mode, dc-dc controller is designed for low-voltage applications that require currents up to 13 A. Unit handles 5 V and 12 V inputs, and has built-in high-current driver for external power MOSFET. Output is adjustable between 1.2 V and 3.6 V with up to 88% conversion efficiencies. Soft-start function reduces inrush current and output overshoot at startup. External...

IGBT drives ignition coil for better economy.

EcoSPARK family of IGBTs for ignition coil drivers works in new ignition controls for powertrain systems using coil-on-plug concept that eliminates high-voltage wires. IGBTs help coil drivers integrate active voltage clamp between collector and gate that provides inductive switching and limits stress applied to ignition coil. Saturation voltage is rated at 175Ã-