DC to DC Power Supplies (Converters)

Ultravolt® Announces Improved Ripple Specs on  10kV-40kV  Modules
DC to DC Power Supplies (Converters)

Ultravolt® Announces Improved Ripple Specs on 10kV-40kV Modules

40 MODELS OF POWER SUPPLIES EXHIBIT REDUCED RIPPLE AND NOISE RONKONKOMA, New York -- November 28, 2007 -- UltraVolt, Inc., the world-leading manufacturer of standard-product DC-to-DC high-voltage power supplies, today announced the improvement of the ripple specifications on its 10A-25A Series and its 30A-40A Series modules. Ripple on high-voltage power supplies with 10kV to 40kV output was...

Read More »
DC/DC Controller produces output voltages up to 30 V.
DC to DC Power Supplies (Converters)

DC/DC Controller produces output voltages up to 30 V.

Housed in 4 x 4 mm QFN-24 package, dual-output Model LT3742 can be configured with one side as step-down voltage regulator and other as super capacitor charger. Unit's 100% duty cycle allows output voltage to be very close to input voltage, while input range of 4-30 V enables operation from various intermediate bus voltages. For output currents up to 5 A, switching regulator includes on-board...

Read More »
DC to DC Power Supplies (Converters)

Step-Down DC-DC Regulator offers up to 96% efficiency.

Housed in 3 x 3 mm TDFN package, 20 V Model AS1341 delivers 600 mA at 5.0 V from 12 V input and can provide adjustable output voltages from 1.25 to VIN or fixed 5 V. Built-in current limit function can be set to 0.7 or 1.4 A switching current for optimizing converter to inductor and load. With low quiescent current of 12 -µA, regulator conserves battery life, making it suited for notebooks and...

Read More »
DC to DC Power Supplies (Converters)

Mouser Electronics Now Stocking Catalyst Semiconductor's High-Efficiency 7W Buck LED Driver in TSOT-23 Package

CAT4201 - Innovative Buck Converter Optimized for Driving High-Brightness, 350mA LEDs At Up To 94 Percent Efficiency Mansfield, Texas, USA - November 14, 2007 - Mouser Electronics, Inc., known for its rapid introduction of the newest products, today announced it is stocking the CAT4201 Buck Converter from Catalyst Semiconductor, Inc. (NASDAQ:CATS), a leading supplier of analog, mixed-signal, and...

Read More »
DC to DC Power Supplies (Converters)

DC/DC Regulator operates up to 24 Vout without hot spots.

Housed in 15 x 15 x 2.8 mm LGA package, uModule(TM) LTM4607 can regulate output voltage from variable input voltage greater than, less than, or equal to output voltage. Unit operates from 4.5-36 VIN, regulates output voltage from 0.8-24 V, and delivers up to 190 W. Integrating synchronous buck-boost DC/DC controller, 4 N-channel MOSFETs, I/O bypass capacitors, and compensation circuitry, unit is...

Read More »
High-Current LED Drivers offer adjustable frequency.
DC to DC Power Supplies (Converters)

High-Current LED Drivers offer adjustable frequency.

Offered in 4 x 4 mm, 16-Pin QFN package, LT3517 and LT3518 are 45 V DC/DC converters that sense output current at high side of LED and enable buck, buck-boost, or boost configurations. They feature 1.3 and 2.3 A switch current limits, respectively, and operate from 3-30 V input. While LT3518 can drive up to ten 350 mA white LEDs from 12 V input, LT3517 can drive 5. Both have fixed frequency,...

Read More »
DC to DC Power Supplies (Converters)

Miniature DC/DC Converters maintain DIP-24 pin-out.

Supplied in 1 x 0.8 x 0.4 in. shielded metal package, JCA series board-mounted, low-power DC/DC converters come in 2, 3, 4, and 6 W models that each offer choice of 5, 12, 24, and 48 Vdc nominal input voltages. Input options, covering 2:1 voltage range, are 4.5-9.0, 9-18, 18-36 Vdc, or 36-75 Vdc with under-voltage lockout as standard. For each input voltage, single output models offer +3.3, +5,...

Read More »
Step-Down DC/DC Controller meets automotive system needs.
DC to DC Power Supplies (Converters)

Step-Down DC/DC Controller meets automotive system needs.

Drawing 30 -µA in sleep mode and 4 -µA in shut down mode, LTC3834/-1 preserves battery power in always-on automotive systems or battery-powered devices that remain semi-active. Input range is 4-36 V, and output ranges from 0.8-10 V. Built with constant frequency, current mode architecture, IC has on-board LDO for bias power and on-board MOSFET driver to deliver up to 20 A load current at...

Read More »
DC to DC Power Supplies (Converters)

COTS DC-DC Converter Modules come in 15 and 30 W versions.

Designed to satisfy Department of Defense's Commercial-off-the-Shelf (COTS) directive, 15 and 30 W modules in VPT Series include dual-output VPT15-2800D, single-output VPT30-2800S, and dual-output VPT30-2800D. Each module accepts MIL-STD-704A-E input range, has magnetic feedback circuit with no optoisolators, and operates over -55 to +100°C with no power derating. Single-output configurations...

Read More »
DC to DC Power Supplies (Converters)

National Semiconductor Innovation Optimizes Energy Efficiency in Handheld Multimedia Devices

SANTA CLARA, Calif., June 25 - Optimizing energy efficiency is critical for handheld multimedia devices that, in addition to making and receiving phone calls, display high-resolution video, show and store digital photos, and play high-fidelity music. To meet the growing demand for mobile video, National Semiconductor Corporation (NYSE:NSM) today announced new energy-efficient breakthroughs that...

Read More »

All Topics