DC to DC Power Supplies (Converters)

DC to DC Power Supplies (Converters)

Micro Converters allow for reduced-emission designs.

Featuring 50 W model at 3.3 Vout and 75 W models at 12, 15, 24, 28, and 48 Vout, 48 Vin mid-power Micro DC-DC converters incorporate Zero-Current and Zero-Voltage Switching (ZCS/ZVS), for power system applications in distributed power, medical, ATE, communications, defense, and aerospace. Operating from 48 V nominal input with 36-75 V input range, converters are 2.28 x 1.45 x 0.5 in. with .43 in....

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DC to DC Power Supplies (Converters)

DC/DC Converter suits WCDMA and CDMA power amplifiers.

Operating across voltage input range of 2.7-5.5 V, voltage-scaling, step-down Model AAT1171 supplies variable output voltage of 0.6-3.6 V, optimizing power amplifier efficiency and extending mobile phone talk time. Input voltage is controlled by real-time output signal from baseband processor and delivers up to 600 mA of continuous load current. To meet WCDMA requirements, output voltage responds...

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Step-Down DC/DC Converter suits portable media players.
DC to DC Power Supplies (Converters)

Step-Down DC/DC Converter suits portable media players.

With adjustable input voltage from 1.8-3.8 V, 1.5 A Model TPS62510 extends battery life in 2-cell alkaline or NiMH powered electronics. Providing up to 97% efficiency, device can regulate point-of-load power supply from fixed 3.3, 2.5, or 1.8 V input voltage. It operates in 1.5 MHz fixed frequency PWM mode with mode pin high, or in high-efficiency mode at nominal load current. Device includes...

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Power Management IC extends battery life in Li-Ion devices.
DC to DC Power Supplies (Converters)

Power Management IC extends battery life in Li-Ion devices.

Based on 1.5 MHz fixed frequency, PWM technique, TPS63000 buck-boost dc/dc converter uses synchronous rectification to deliver up to 96% efficiency over 1.8-5.5 V input range while generating output current up to 1.2 A from 3 x 3 mmÂ-² QFN package. Product delivers step-up and step-down dc/dc conversion with adjustable output voltages down to 1.2 V and offers 30 Â-µA quiescent current,...

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DC to DC Power Supplies (Converters)

Charge Pump suits multi-function LED flash applications.

Enabling designers to support current levels up to 800 mA with external resistor, AAT3174 simplifies design of applications supporting flash and movie modes by allowing designers to control LEDs via Simple Serial Control(TM) interface or by R(SET) pin. Product also optimizes power efficiency during extended torch mode operations by using tri-mode charge pump, which combines 1X, 1.5X, and 2X...

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Step-Down DC/DC Converter has 750 kHz operating frequency.
DC to DC Power Supplies (Converters)

Step-Down DC/DC Converter has 750 kHz operating frequency.

Packaged in 6-pin, 2 x 3 mm DFN, current mode PWM LT3493 operates from 3.6-36 V input range and features internal 1.4 A power switch. Its low VCESAT (330 mV @ 1 A) internal switch offers efficiencies up to 89%, and device can generate outputs as low as 0.78 V. Internal cycle-by-cycle current limit protects against shorted outputs, while soft-start eliminates input current surge during start up....

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Boost Regulator offers reverse battery protection.
DC to DC Power Supplies (Converters)

Boost Regulator offers reverse battery protection.

Featuring output disconnect at shutdown, 1.2 MHz LTC3499/B current mode synchronous boost dc/dc converter operates from 1.8-5.5 V input supply and has 2-6 V adjustable output voltage. Internal switches provide 750 mA current limit (min) and have RDS(ON) of 0.45 ohm (N-Channel) and 0.58 ohm (P-Channel) to deliver efficiencies as high as 94%. Available in 3 x 3 mm DFN package, IC is suited for...

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DC/DC Converters are designed for isolated power supplies.
DC to DC Power Supplies (Converters)

DC/DC Converters are designed for isolated power supplies.

With PolyPhaseÂ-® operation for current sharing and paralleling of 2 circuits, LTC3705/LTC3706/LTC3725/LTC3726 DC/DC converters support standard output voltages of 5, 12, 28, and 52 V as well as low voltages down to 0.6 V. LTC3705/LTC3725 primary-side controllers are forward drivers, and feature dual and single-switch operation respectively. LTC3706/LTC3726 secondary-side ICs are current mode...

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