Supertex, Inc.
Sunnyvale, CA 94089
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Current Sensor has operating voltage range of 8-450 Vdc.
Offered in SOT23-5 package, HV7800 is designed to be used on high side of circuit to avoid signal degradation and EMI. Operating range allows it to work with 12, 24, and 48 V DC power systems as well as off-line 85-265 V AC systems. Green- and RoHS-compliant current sensing IC operates by sensing voltage across external resistor and transmitting reading to ground-referenced circuit at gain of one...
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Lamp Driver lights keypads in handheld devices.
Model HV860 high brightness, low noise, dimmable electroluminescent lamp driver offers adjustable output regulation for dimming capability and 220 V peak-to-peak output voltage for high brightness. It is compatible with single cell lithium ion batteries, and has separately adjustable lamp and converter frequencies. Available in MLP-12 RoHS compliant package, it features lamp aging compensation...
Read More »LED Lamp Driver offers programmable output current.
Suitable for driving multi-LED strings in off-line applications such as decorative lighting and low power lighting fixtures, Model HV9925 8-pin LED Driver IC features adjustable output current of 20-50 mA and PWM dimming. Driver includes internal 500 V switching MOSFET and built in thermal shutdown to prevent excessive power dissipation. Available in an 8-pin SOIC package, IC accepts inputs of...
Read More »Integrated Circuit drives EL lamps up to 5 sq-in.
With input voltage of 1.8-5.0 V, Model HV859 drives electroluminescent lamps with peak-to-peak output voltage of 210 V. It features output timing, output voltage regulation, and enable function that provides control from microprocessor or other logic circuitry. Available in MSOP-8 and MLP-8 packages, RoHS-compliant Model HV859 is suited for cellular phone keypads, LCD backlighting, global...
Read More »Analog Switch ICs feature low quiescent current of 10 -µA .
Suited for applications that require high voltage switching controlled by low voltage signals, 16-channel Models HV2601 and HV2701 feature 22 Ω switch resistance, serial shift register control, and up to 200 V operating voltage. Model HV2701 also includes integrated bleed resistors that minimize noise and capacitive coupling. Available in 48-lead TQFP packages, RoHS-compliant ICs are suited for...
Read More »MOSFET Drivers provide high-resolution imaging.
Quad MOSFET Driver ICs, Models MD1810 and MD1811, drive N- and P-channel MOSFETs in applications that require high output current for capacitive load. Both feature 6 ns rise and fall time with 1,000 pF load for use in high frequency ultrasound imaging applications. Low jitter design ensures accurate Doppler measurement and clear imaging. Housed in 16-lead QFN package, drivers are Green and RoHS...
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Offline LED Driver add power factor correction.
Fixed-frequency, pulse width modulated Model HV9931 controls LED lamp drive using single-stage, single switch topology. Internal 450 V regulator allows IC to work directly from high voltage input. Driver uses peak current control to regulate both input and output currents, eliminating need for loop compensation in LED drive circuit designs. Offered in 8-pin SOIC or DIP package, RoHS compliant...
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EL Lamp Drivers ensure consistent brightness.
Designed to drive 2 electroluminescent (EL) lamps with combined area of up to 3.5 sq. in., HV841 and HV839 high voltage driver ICs deliver low-noise backlighting solutions for dual LCD and keypad applications. Model HV841 accepts 2.0-5.8 V and produces nominal regulated output of 100 V, while HV839 provides nominal regulated output of 90 V. Both are available in 10-pin, lead-free, RoHS compliant...
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Constant Current LED Driver offers 2-terminal solution.
Able to compensate for variations in LED properties and voltage supply, CL2 is suited for driving multiple applications with different operating voltages with single device. Temperature-compensated IC is trimmed to provide 20 mA Ã-
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LED Driver eliminates need for compensation components.
Manufactured in 8-pin DIP and SOIC packages, HV9930 variable frequency PWM controller IC controls LED lamp using boost-buck topology, which automatically steps up and steps down input voltage. Product utilizes hysteretic current mode control to regulate both input and output currents. Featuring dc input range of 8-200 V, unit provides PWM dimming capability with duty cycle ratio of 0-100%. Unit...
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