Circuits

Digital Potentiometers are I²C- and SPI-compatible.

Single-channel, digitally programmable linear taper potentiometers CAT5171 and CAT5172 feature 256-position resolution and are available with end-to-end resistance options of 50 kW and 100 W. They are insensitive to mechanical vibrations, shock, oxidation, and dust and offer temperature coefficient of 100 ppm/-

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PD Controllers with Switchers address PoE+ standards.

Offered as interface controllers with integrated switching regulators, LTC4269-1/-2 and LTC4278 comply with IEEE 802.3at - Power over Ethernet (PoE+) - standard and are intended for Powered Device (PD) applications up to 25.5 W and beyond. They support 2-event classification, are backward-compatible with IEEE 802.3af devices, and integrate PD controller and synchronous flyback controller...

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Line Card Access Switch IC suits CPE telephony gateways.

Line Card Access Switch IC suits CPE telephony gateways.

Designed for Ringing SLICs (Subscriber Line Interface Circuit), CPC7508 monolithic high voltage IC features 8 digitally controlled MOSFET switching relays for bidirectional transmission. It replaces pair of 2-Form-C electromechanical relays and driver circuitry, while providing integrated current limit and thermal shutdown protection in each high-voltage switch. Available in 16-pin SOIC package,...

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ESD Protection Diodes are suited for portable devices.

Model ESD11N5.0ST5G is 0.6 pF unit that has clamping performance and minimal capacitance needed for USB 2.0 and HDMI applications. It also maintains less than 0.5 dB insertion loss up to 3 GHz. Model ESD11B5.0ST5G is 15 pF product that suits general purpose and low-speed data lines. Housed in 0.6 x 0.3 x 0.3 mm, 0201 DSN-2 package, both provide clamp input ESD waveform of 8 kV, per IEC61000-4-2...

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LED Driver enables dual LED operation for camera flash.

Housed in 16-pin micro SMD package, PowerWise-® LM3554 drives 1 or 2 high-current LEDs for flash applications in handheld devices. Fixed-frequency, step-up DC-DC converter with 2 regulated current sources is capable of driving loads up to 1.2 A from single-cell Li-Ion battery. Device drives LEDs in high-power flash mode for still photography or low-power torch mode for video conferencing. To...

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VCO targets military, satcom, and industrial markets.

Providing single 5 V supply, broadband VCO RFVC1800 is single-placement IC with integrated resonator and buffer amplifier. Manufactured on Gallium Arsenide (GaAs) Heterojunction Bipolar Transistor (HBT) process and packaged in small 4 x 4 mm QFN package, VCO is optimized for use in radar, military communications, satellite communications, test instrumentation, and industrial/medical applications.

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Flyback Controller operates at junction temperature of 150

Flyback Controller operates at junction temperature of 150

Available in 6-pin ThinSOT(TM) package, H-grade version of LTC3803-3 current mode flyback DC/DC controller can be powered by input ranging from 9-75 V. Unit maintains 300 kHz operating frequency and offers adjustable slope compensation for optimized transient response with minimum output capacitance, and soft-start function that minimizes inrush current/output voltage overshoot. Operating in -40...

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PIR Sensor Interface IC controls any type of AC load.

PIR Sensor Interface IC controls any type of AC load.

Designed to drive latching relay, LS6506R can be used in Wall Switch configuration (no Neutral) to enable full AC Mains cycle to be applied across any load. Also available, LS6507R drives triac in series with load and is suitable for use in lower-cost Wall Switch configuration for driving incandescent lamp loads. ICs can be used to manually or automatically switch loads on/off, and feature is...

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