Power Controllers

Controller delivers load current up to 20 A.
Power Controllers

Controller delivers load current up to 20 A.

LTC3822 2.75-4.5 V input synchronous step-down dc/dc controller uses MOSFET RDS(ON) sensing current, eliminating need for sense resistor. Featuring 300-750 kHz adjustable operating frequency, unit consumes 340 Â-µA during operation and 7.5 µA in shutdown. Output is adjustable from 0.6 V to 99% of input voltage. Offered in 10-lead MSOP and 3 x 3 mm DFN packages, device operates from...

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Power Controllers

Samsung to Benefit from ARM and National Semiconductor Power Management Collaboration

Samsung Will Offer Extended Battery Life To Mobile Phones Through Their Highly Integrated Application Processors Incorporating The Advanced Power Controller SANTA CLARA, CALIF., AND CAMBRIDGE, UK - June 21, 2006 - National Semiconductor Corp. [NYSE:NSM] and ARM [(LSE:ARM); (Nasdaq:ARMHY)] today announced that Samsung [KSE:005930] has become the first ARM® Partner to publicly announce its...

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Texas Instruments Unveils Energy-Saving Chip for Consumer Electronics and AC Adapters
Power Controllers

Texas Instruments Unveils Energy-Saving Chip for Consumer Electronics and AC Adapters

8-Pin Green-Mode Controller Enables Systems to Meet EPA Energy Star Standby Power Requirements DALLAS (March 20, 2006) - Texas Instruments Incorporated (TI) (NYSE: TXN) announced today at the 2006 Applied Power Electronics Conference (APEC) in Dallas an innovative, green-mode power management circuit that significantly improves energy efficiency in consumer electronic systems and AC power...

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Power Controllers

DC/DC Controller offers up to 36 V adjustable output voltage.

Available in 16-pin thermally enhanced TSSOP, LT3844 DC/DC controller features 4-60 V input range with adjustable 100-500 kHz switching frequency. It operates at temperature range of -40 to 125°C, and can be used in several DC/DC topologies such as step-down, step-up, inverting, and SEPIC (buck-boost). Current mode controller drives N-channel MOSFET and maintains high efficiency at light...

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Controller routes power to access control hardware.
Power Controllers

Controller routes power to access control hardware.

Maxim 33 Access Power Controller features 16 independently trigger controlled wet/dry outputs via two 8-output access power controllers. Power controller output can be configured to simultaneously offer 12 and/or 24 Vdc at up to 12 A of total power. Outputs incorporate built-in selectable latching or non-latching fire alarm interfaces. Maxim 33 provides monitoring for ac failure, low battery, and...

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Buck Controllers feature low pin-count.
Power Controllers

Buck Controllers feature low pin-count.

TPS40K(TM) DC/DC buck controllers are used in modular and on-the-board power supplies. TPS40200 features input range of 4.5-52 V with output voltage that can be adjusted down to 0.7 V. TPS40041 operates from 2.25-5.5 V input source and generates output of 0.59 V at fixed frequency of 600 kHz. TPS40222 is 1.25 MHz non-synchronous device with integrated high side FET, and operates from 4.5-8 V...

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Power Controllers

CCFL Controller targets LCD TV and notebook displays.

Supporting input voltages from 8-30 V, full-bridge, phase-shift Model TPS68000 can drive 4 external NMOS switches without external circuitry. It provides synchronizable constant frequency operation, lamp voltage and current regulation, analog and burst dimming, and programmable voltage regulation timeout for start-up and fault conditions. Input voltage range is suitable for designing inverter...

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Power Controllers

Flyback Controller charges capacitors of any size.

Model LT3750 is designed to charge capacitors to voltages up to 1,000 V. It drives external N-Channel MOSFET and can charge 100 Â-µF capacitor to 300 V in less than 300 ms. Controller offers input voltage of 3-24 V, boundary mode control scheme, and 78 mV current sense that limits peak switch current. LT3750's primary-side sensing topology eliminates need for external output voltage divider....

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Power Controllers

Controller achieves high efficiency on low loads.

With advanced standby function and high-voltage start-up with 700 V capability, L6668 current-mode PWM controller includes programmable soft-start, slope compensation for stable operation at duty cycles greater then 50%, and protective output current limiting. PFC interface enables pre-regulator turn off when load level falls below threshold, saving typically 0.5-1 W of no-load power consumption.

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