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Electronic Components & Devices ->
Electronic Components ->
Regulators
Regulators
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DC-To-DC Converter suits 5 V bus applications.Micrel Inc.
San Jose, CA 95131
Sep 24, 2008
Operating at 2 MHz, MIC4724 non-synchronous PWM buck regulator addresses need for higher operating/transient voltage for 5 V bus while minimizing footprint requirements. Internal compensation allows for accelerated transient response and use of small LC components. Integrated p-channel MOSFET enables chip to deliver up to 3 A, where designers can realize over 94% efficiency, and also eliminates need for sense resistor to provide current limit. Output voltage is adjustable down to 1 V.
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 Linear Regulator features 3-80 V input voltage range.Linear Technology Corp.
Milpitas, CA 95035-7417
Sep 15, 2008
LT3011 micropower regulator offers up to 50 mA of output current with 300 mV of LDO voltage at full load. It features 1.24-60 V adjustable output voltage range, 46 µA (operating) and 1 µA (in shutdown) quiescent currents, PowerGood flag with programmable delay, and output noise minimized at 100 µVrms over 10 Hz to 100 kHz bandwidth. Suited for noise-sensitive applications, unit has operating temperature range of -40 to +125°C, and is stable with 1 µF ceramic capacitors.
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High Input Pre-Regulator suits battery charger applications.Linear Technology Corp.
Milpitas, CA 95035-7417
Sep 15, 2008
Supplied in 2 x 3 mm DFN package, LT3653 monolithic current mode step-down switching regulator utilizes 1.5 MHz oscillator, internal compensation, and internal boost diode. Input range of 7.5-30 V supports range of sources, input overvoltage lockout protects device from input transients to 60 V, and adjustable output current limit can be set from 400 mA to 1.2 A. Control pin VC is available for external battery tracking, keeping output voltage 300 mV above Li-Ion battery voltage.
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Step-Down Regulators achieve 93% peak efficiency.Micrel Inc.
San Jose, CA 95131
Sep 05, 2008
Housed in 1.6 x 1.6 mm Thin MLF® package, HyperLight Load(TM) Models MIC23030 and MIC23031 have internal MOSFETs that deliver up to 400 mA output current while consuming 21 µA quiescent current. Units feature 2.7-5.5 V input supply range, 3 mV output voltage ripple, and output accuracy of ±2.5% over operating junction temperature of -40 to +125°C. Operating at 8 and 4 MHz, respectively, Models MIC23030 and MIC23031 offer adjustable and fixed output options of 1.0, 1.2, 1.5, and 1.8 V.
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 Pressure Regulator comes in stainless steel manifold version.Proportion-Air, Inc.
McCordsville, IN 46055
Aug 28, 2008
Combining 303 stainless steel and Viton wetted parts, Electronic Pressure Regulator is suited for wide range of applications such as food processing, pharmaceutical, petrochemical, and semi-conductor, where yellow metals are undesirable. Unit can be calibrated from full vacuum to 1,000 psi.
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DC/DC Converter suits space-constrained applications.Texas Instruments, Inc. (TI)
Dallas, TX 75243-4136
Aug 26, 2008
Housed in 0.9 x 1.3 x 0.6 mm wafer chip scale package, 500 mA Model TPS62601 achieves up to 89% power efficiency and 30 µA typical operating quiescent current. Synchronous, switch-mode device features fixed frequency of 6 MHz, allowing use of only one 0.47 µH inductor and 2 ceramic capacitors. With input voltage range of 2.3-5.5 V and 1.8 V output, step-down dc/dc converter supports ultra-thin smart phones, wireless modules, and portable electronics.
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LDO Regulators feature low input voltage.Micrel Semiconductor Inc.
San Jose, CA 95131
Aug 12, 2008
Suited for demanding applications that need to be powered up at all times, MIC531x Series integrates 2 LDOs capable of operating from input voltage as low as 1.7 V, while supplying up to 300 mA of output current and consuming 37 µA total quiescent current. Units offer high PSRR, POR, and voltage scaling as well as current limit and thermal shutdown protection. Operating from -40 to 125°C, MIC5313/15 come in 2 x 2 mm, 10-lead package while MIC5314/16 are offered in 2.5 x 2.5 mm, 12-lead package.
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LDO Regulators handle electrical portable applications.MagnaChip Semiconductor
Cheongju-si,Chungbuk Korea (south)
Aug 08, 2008
Enclosed in thin DFN package, MAP1115 and MAP1230 LDO regulators can be used in mobile phones, PDAs, and portable devices. Model MAP1115 is single, linear LDO regulator that provides 150 mA output current with low noise, high PSRR, and fast turn-on time. Pin-programmable MAP1230 provides maximum 300 mA output current at each port with low noise and accurate dual output voltages with less than 2% variation from nominal Vout1 and Vout2, and can generate 9 voltage options.
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 DC-DC Power Converters deliver up to 7.5 W.Aimtec, Inc.
Dollard Des Ormeaux, QC H9G3B9 Canada
Jul 18, 2008
Available in 11.68 x 9.65 x 7.50 mm SIP3 package, AMSR-78Z Series switching regulators provide regulated output voltages ranging from 1.5-15 Vdc, producing maximum output currents of 500 mA at up to 97% efficiency rate that remains virtually constant over entire input range. Wide input ranges (up to 6:1) extend from 4.75-34 Vdc to 18-34 Vdc, allowing units to be powered from unregulated sources. Units operate at full output power without heatsinking or forced-air cooling below +85°C.
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 Voltage Regulator Module is Intel® VRM 11.0 compliant.Murata Power Solutions, Inc.
Mansfield, MA 02048
Jul 18, 2008
Housed in package that achieves installed height of 0.807 in., VR110B080CA-1C single inline packaged voltage regulator module has single 7-bit DAC programmable output of 0.8375-1.6 Vdc, and maximum output current of 80 A. It features input voltage of 12 Vdc, full load efficiency of 88%, and operating temperature range of 0-65ºC. With overall length and width of 3.6 x 0.75 in., unit offers differential remote sense, remote enable, dynamic VID capability, and tri-state output when disabled.
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 Low Dropout Regulator operates from 2-5.5 V supply.austriamicrosystems AG
Premstatten Austria
Jul 18, 2008
Suited for dual/triple standard-cell and single Li-ion battery powered applications, Model AS1364 LDO offers dropout voltage of 140 mV at 1 A with quiescent current of 35 µA during operation and 10 nA during shutdown. It is available as adjustable version or with pre-programmed output voltages in range between 1.2-5.0 V with output voltage accuracy of 0.75%. Unit comes in 3 x 3 mm 8-pin package suitable for -40 to +85°C operating environments range.
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Switching Regulators do not require heat sinks.RECOM Power International GmbH
D-63303 Dreieich Germany
Jul 11, 2008
Offering input ranges from 4.75-34 Vdc and output voltages from 1.5-15 Vdc, R-78Bxx-1.0 and R-78Bxx-1.5 series of 1 A and 1.5 A switching regulators are non-isolated and feature built-in short circuit protection and thermal shutdown. Measuring 0.69 x 0.45 x 0.35 in., units have operating temperature range of -40 to 85°C. Suited for space constrained applications, they have efficiencies of up to 95% and are pin-compatible with 0.5 A R-78xx-0.5-series and with 78xx linear regulators.
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Multiphase Step-Up DC/DC Controller delivers high power.Linear Technology Corp.
Milpitas, CA 95035-7417
Jul 10, 2008
With up to 150°C operating temperature, Model LTC3862 is 2-phase step-up DC/DC controller that allows up to 12 power stages to be paralleled and clocked out-of-phase to minimize input and output filtering requirements. It can regulate 48 V at 5 A output with up to 97% efficiency from input source ranging from 12-36 V using only 2 phases. Offered in SSOP-24 and 5 x 5 mm QFN-24 package, unit supports fixed programmable operating frequency from 75-500 kHz.
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DC/DC Converters can deliver up to 1.25 A output current.Linear Technology Corp.
Milpitas, CA 95035-7417
Jul 09, 2008
Utilizing constant frequency current mode architecture, Models LTC3564EDBC and LTC3564ES5 synchronous buck regulators operate from input voltage range of 2.5-5.5 V. They offer constant 2.25 MHz switching frequency, ±2% output voltage accuracy, current mode operation, and low dropout 100% duty cycle operation. Available in 2 x 3 mm DFN-6 or ThinSOT package, units achieve 20 µA of no load quiescent current and less than 1 µA in shutdown through automatic Burst Mode(TM) operation.
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PMU integrates 4 linear regulators in 3 x 3 mm package.Atmel Corp.
San Jose, CA 95131
Jul 01, 2008
Compatible with 5 V input supply, AT73C237 Power Management Unit (PMU) generates 4 regulated output voltages with programmable output voltage selection and output current up to 70 mA. Three LDO regulators provide programmable voltage from 1.2-2.75 V required by RF and analog devices, while one 1.8 V regulator is for backup battery/capacitor recharging. Integrated 2-wire interface allows any MCU to program variable LDO output voltages and manage the enable of each LDO.
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LDOs operate from input voltage as low as 1.65 V.Micrel Semiconductor Inc.
San Jose, CA 95131
Jun 30, 2008
Including Models MIC69301/2, MIC69151/3, and MIC69101/3 with current ratings of 3, 1.5, and 1 A, respectively, MIC6910x/15x/30x low voltage linear regulators feature single supply operation from 5.5 V down to 1.65 V with ±1% initial output accuracy. ICs have thermal shutdown, current limit, and power handling capabilities. Aimed at industrial, medical, communications, computing, and consumer markets, devices come in thermally-enhanced e-Pad SO-8, MLF®, and S-PAK packages.
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 DC/DC Regulator operates from 3-36 V input supply.Linear Technology Corp.
Milpitas, CA 95035-7417
Jun 23, 2008
Delivering up to 500 mA, Model LTM8021 µModule(TM) regulates output voltage from 0.8-5 V that is adjusted with only one resistor. It includes dc/dc controller IC, power switch, on-board inductor, compensation circuitry, and I/O bypass capacitors. Available in 6.25 x 11.25 x 2.8 mm surface-mount LGA package, low profile and light weight (0.49g) enable system designers to solder device on backside of circuit board. RoHS compliant device operates from -40 to 85°C.
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DC/DC Voltage Regulators suit embedded POL applications.International Rectifier Corp.
El Segundo, CA 90245
Jun 23, 2008
Wide-input (2.5-21 V) and single-output SupIRBuck(TM) IR380x series integrates control ICs optimized with benchmark HEXFET® MOSFETs in 5 x 6 x 0.9 mm power QFN package. Specific models are designed for 4, 7, and 12 A of output load current at 600 kHz and 6, 9, and 14 A at 300 kHz. All offer 0.6-12 V output range, pre-bias start up, and choice of 2 fixed switching frequencies as well as hiccup current limit and thermal shutdown features.
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Constant Current Demonstration Board suits LED applications.Vicor Corp.
Andover, MA 01810 5424
Jun 19, 2008
Providing regulated current as required for direct-drive multi-LED applications, Model P048F048T24AL-CC can be used to deliver adjustable current up to 240 W (5 A at 48 V) when employed as standalone non-isolated source, or can be combined with VTM(TM) transformers to provide adjustable isolated current up to 100 A. Device offers current accuracy of 99.7% across load range. It includes fused PRM inputs, provision for mounting heat sink, and system enable and disable.
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 Voltage Supervisors come in 8-pin MSOP packages.STMicroelectronics
GENEVA Switzerland
Jun 12, 2008
With ability to monitor up to 5 channels, STM6904/5 four- and five-channel voltage supervisors ensure integrity of multi-voltage systems such as set-top boxes, telecom and networking equipment, computing and data-storage systems. Model STM6905 offers 5 monitored channels and fixed delay-to-reset time of 210 ms, whereas STM6904 offers additional user-selectable reset delay times while monitoring up to 4 channels. Units operate from 0.8-5.5 V across -40 to +85 °C industrial temperature range.
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