Circuits

Device Driver Software

Integrated Circuit drives flat panel displays.

Using HVCMOS technology, HV632 integrates high- and low-voltage circuits on one die. With full integration of low voltage CMOS logic, 32-channel IC supports PWM conversion of 256 levels of gray shading and 32 high-voltage CMOS outputs, each capable of 80 V operation as well as sourcing and sinking 4 mA. Data bus (8-bit) includes balanced shift clock and output and blank functions. Product suits...

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Miscellaneous Management Systems

Power Management Solution has on-board thermal sensor.

Model HV111 high-voltage Inrush Limiter/Circuit Breaker/Hotswap IC suits externally powered network equipment and pluggable backplane applications with loads up to 1.65 A. Operating from -8.0 to -80 V, unit has 3 current control algorithms and incorporates on-board, 80 V, 2 A MOSFET combined with UVLO supervisor. Features include multi-level current control, junction isolated construction, and...

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Electrical Regulators

Integrated Circuit has 50 mA output current capability.

With 13.2-100 V operating input voltage range, LR12 adjustable linear regulator provides circuit protection. Product also offers adjustable output voltage of 1.20-88 V and provides output current limiting (100 mA max) for fail-safe protection system design. It operates normally at 10 uA of quiescent current and can be put into low power shutdown state by back biasing output. Offered in TO-92,...

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Controller minimizes transformer size in power supplies.
Modulators

Controller minimizes transformer size in power supplies.

Pulse Width Modulator Model LT1950 employs control mechanism that protects, simplifies, and reduces size of isolated/non-isolated 15-500 W power supplies with 24 and 48 V input supply rails. Adaptive maximum-duty-cycle clamp circuit prevents transformer saturation and protects MOSFET from failures. Adjustable current-slope compensation allows optimization of transient response. Operating...

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Interface Controller simplifies powered device design.
Miscellaneous Controllers

Interface Controller simplifies powered device design.

Model LTC4257 Power over Ethernet Interface Controller incorporates circuitry necessary to connect powered device to IEEE 802.3af powered Ethernet network. Offered in SO-8 package, -48V powered unit incorporates 25 k signature resistance, programmable classification, power switching, inrush current limiting, and fault protection. Integrated 100 V power MOSFET keeps PD circuitry disconnected from...

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Electromagnetic Field (EMF) Sensors / Detectors / Transducer

Photo Detector IC targets home entertainment market.

Model SP8055 is custom designed for audio/video recorder. It offers 8 high-speed data detection channels with 2 additional 140 MHz summing channels. Twelve gain settings provide functionality for DVD-R, DVD-RW, and DVD-RAM applications. Each setting is architected for specific media and speed combination. IC comes in clear, 16-pin 5.0 x 4.0 mm COB packaging and provides >60 dB PSRR,

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LED Driver integrates Schottky diode on-chip.
Electronic Drivers

LED Driver integrates Schottky diode on-chip.

Model LT3465 consists of switching, constant current, white LED driver in ThinSOT(TM) package. Capable of driving up to 6 white LEDs from one Li-Ion cell, it offers efficiencies to 81% and switches at 1.2 MHz. Unit provides constant frequency PWM operation and delivers same current to each LED, regardless of variations in forward voltage drop. It offers output voltage limiting, one-pin dimming...

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LDO Integrated Circuits provide power management.
Electrical Regulators

LDO Integrated Circuits provide power management.

Models MIC2213 and MIC2214 each consist of 2 low-dropout regulators, power-on reset supervisor, and open-drain driver with adjustable delay time. First regulator can source 150 mA of current, while second regulator can source 300 mA. Total current consumption is 48 Â-µA. Suitable for portable applications, units are housed in 3 x 3 mm MicroLead Frame(TM) leadless package. They feature low...

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Clock Dividers feature low jitter and skew.
Frequency Dividers

Clock Dividers feature low jitter and skew.

Six high-speed, programmable, clock dividers of SY89871 family meet ultra-low jitter and skew requirements in SONET/SDH communications systems, high-end enterprise server and router applications, and high-speed ATE and T&M systems. Precision 2.5 and 3.3 V clock dividers have patent-pending input stage with internal termination and accept any differential input source. Within-device skew is

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Integrated Circuit offers single-chip PCI connectivity.
Circuits

Integrated Circuit offers single-chip PCI connectivity.

Model TNT5002 Application-Specific Integrated Circuit (ASIC) adds GPIB connectivity to stand-alone instruments based on PCI-bus interface. Chip includes 3.3 V PCI core, supports both 3.3 and 5 V signaling, and is fully compliant with revision 2.2 of PCI local bus specification. Instrument manufacturers can use TNT5002 with NI-Device software to develop GPIB-based instruments and devices.

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