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DC/DC Converters
Delta offers high power density DC-DC converters up to 700W. Using high switching frequency, hybrid circuit, chip-on-board and surface mounting technologies, these DC-DC converters provide high power density, a low profile and high efficiency. Accurate current sharing and fixed frequency synchronization of DC-DC converters allows reliable parallel operation for easy expansion. The product line covers commercial, industrial and military grade applications. Delta also offers high efficiency Voltage Regulator Modules (VRMs) for low voltage microprocessors.
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AIF - PFC Series
AIF Power Factor Correction Module, 1600 Watts ouput power, Universal AC Input of 85-264VAC 50/60 Hz, Output 380V DC
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Wherever electricity flows and signals are processed, interface products from Wieland Electric prove their extraordinary strength. The wide range of relays, the components for power supply and overvoltage protection as well as the passive interfaces and analog modules will make your application a real all-rounder, too. Use our interface technology to set your signals!
Power supply
Power supply units are the heart of a control cabinet; its components demand different performance levels depending on the requirements. Therefore, our product range includes single-phase and three-phase devices for DIN rail mounting in the performance classes from 1.25 A to 40 A DC for almost all possible applications.
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The Miniature Power DC/DC Converters operate over wide input voltage ranges while maintaining tight output regulation and low ripple.
Safety Features: Overtemperature, Input Under/Overvoltage, Output Overcurrent and Short Circuit Protection.
Miniature High Power/High Voltage DC-DC Converters:
Up to 500 Vdc Isolated Outputs
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The Miniature Power DC/DC Converters operate over wide input voltage ranges while maintaining tight output regulation and low ripple.
Safety Features: Overtemperature, Input Under/Overvoltage, Output Overcurrent and Short Circuit Protection.
Up to 10,000 VCD Output
Up to 300 Watts
New dual outputs
NEW Regulated outputs
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This series of DC-DC converters are produced in an ultra-miniature encapsulated package.
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The AIC1579 is a high-power, high-efficiency voltage-mode DC/DC controller for motherboard VI/O power supply applications. Designed to drive an N-channel MOSFET in a standard buck topology, the AIC1579 features a high voltage CMOS output driver, short-circuit protection, and 8-pin package.
An external 4-bit Digital-to-Analog Converter (DAC) can be used along with the AIC1579 to adjust the output voltage from 2.0V to 3.5V in 0.1V increments. Table 1 on the following page specifies the corresponding output voltage for 16 combinations of DAC inputs as in the typical application circuit.
The 200KHz switching frequency allows for using small external components while maintaining high conversion efficiency. The 11MHz bandwidth and 6V/uS slew rate of the error amplifier ensures high converter bandwidth and fast transient response.
The AIC1579 provides adjustable overcurrent and short-circuit protections by sensing the output current across the on resistance of the external N-channel MOSFET rather than an external low value sense resistor.
The AIC1579L provides lower reference voltage (1.30V) than the default (2.00V, AIC1579) for lower VOUT requirement.
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The AIC1638 is a high efficiency step-up DC/DC converter for applications using 1 to 4 NiMH battery cells. Only three external components are required to deliver a fixed output voltage of 2.7V, 3.0V, 3.3V, 4.5V or 5V. The AIC1638 starts up from less than 0.9V input with 1mA load. Pulse Frequency Modulation scheme brings optimized performance for applications with light output loading and low input voltages. The output ripple and noise are lower compared with the circuits operating in PSM mode.
The PFM control circuit operating in 100KHz (max.) switching rate results in smaller passive components. The space saving SOT-23, SOT-89 and TO-92 packages make the AIC1638 an ideal choice of DC/DC converter for space conscious applications, like pagers, electronic cameras, and wireless microphones.
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Si825x
The Si825x family of programmable digital power controllers provides closed-loop feedback control, system protection and power management functions for switch mode power systems and motor control applications.
Features
Single-chip, flash-based digital controller
Dedicated DSP-based loop processor
50 MIPS flash system management processor
Comprehensive, low-cost development kit
5x5 mm 28QFN and 32LQFP packages
125 °C maximum operating temperature
Applications
DC-DC, AC-DC converters
PFC circuits
Motor control systems
Isolation
UPS system
Level shifting
Ground loop elimination
Isolated analog data acquisition
Operator interface controls
Plasma TVs
Ethernet/CAN networks
Isolated point-to-point communications
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The new automatic voltage regulator model S125 has been designed to perform its duty even in the most difficult work condition, on new or old-fashion brushless excitation units equipped with a dinamo. This device belongs to the smallest AVR family available on the market, but it is the most powerful since it supplies 5 A current.
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SMH4811A Programmable Distributed Power Hot-Swap Controller for High-Availability Systems
FEATURES
- Soft Starts Main Power Supply on Card Insertion or System Power Up
- Senses Card Insertion via Short Pins or Ejector Switches
- Master Enable to Allow System Control of Power Up or Down
- Can be used as a Temperature Sense Input
- Programmable Independent Controls of a DC/DC Converter
- Not Enabled until Host Supply Fully Soft Started
- Programmable Time Delay
- Available Input to hold off Dependant Enables until Conditions are Satisfied
- Highly Programmable Circuit Breaker
- Programmable Host Voltage Fault Monitoring
- Programmable Forced Shutdown Timer
- Internal Shunt Regulator Allows a Wide Supply Range
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Power Management IC solutions ranging from standard ICs to high performance plug-in, power brick, digital power and integrated power modules.
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MSK offers a wide variety of high current, low dropout Linear Voltage Regulators for Hi-Rel and severe environment applications:
- Output Current from 1.5 Amps to 20 Amps
- Output Voltages down to 0.8 Volts
- Hermetic and Surface Mount versions available
- Radiation Hardened (RH suffix) parts available
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The TC1014, TC1015, and TC1185 are high accuracy (typically ±0.5%) CMOS upgrades for older (bipolar) low dropout regulators such as the LP2980. Designed specifically for battery-operated systems, the devices’ CMOS construction eliminates wasted ground current, significantly extending battery life. Total supply current is typically 50µA at full load (20 to 60 times lower than in bipolar regulators!). Key features for the devices include ultra low-noise operation (plus optional Bypass input), fast response to step changes in load, and very low dropout voltage, typically 85mV (TC1014), 180mV (TC1015), and 270mV (TC1185) at full load. Supply current is reduced to 0.5µA (max) and VOUT falls to zero when the shutdown input is low. The devices also incorporate both over-temperature and over-current protection. The TC1014, TC1015, and TC1185 are stable with an output capacitor of only 1µF and have a maximum output current of 50mA, 100mA, and 150mA, respectively. For higher output versions, see the TC1107, TC1108, and TC1173 (IOUT = 300 mA) data sheets.
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DC-DC - Linear Regulators and LDOs
* Linear Regulators and LDOs: Single Output
* Linear Regulators and LDOs: Multiple Outputs
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STMicroelectronics is a leading supplier of both fixed and adjustable output linear voltage regulators. The already broad portfolio of linear regulators has been further expanded with the introduction of low drop voltage regulators addressing the growing demand for low power dissipating devices.
Based on innovative technologies, ST also offers ultra low drop devices in tiny packages perfectly suited for mobile applications and high-current, fast-transient very low dropout devices in power packages.
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ADI offers a wide variety of Low Dropout Linear Regulators. ADI anyCAP regulators are stable with any good quality capacitor down to 0.47 µF. ADI regulators offer high accuracy in small SOT-23 packages and include features like thermal overload protection, safety current limits, and shutdown mode to drastically reduce current consumption. ADI offers fixed and adjustable output voltages, up to 1.5 A of output current, and dropout voltages down to 80 mV. To help you select the best LDO for your application, ADI offers a parametric search of our regulators.
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Power Management IC solutions ranging from standard ICs to high performance plug-in, power brick, digital power and integrated power modules.
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AIC1531 is a dual input regulator with VAUX
switch capable of delivering 3.3V/500mA
continuously. The output power is provided from
three independent input voltage sources on a
prioritized basis. Power is always taken in priority
using the following order VCC, VSBY, and VAUX.
The AIC1531 meets Intel’s “ Instantly Available ”
power requirements, which follows the
“Advanced Configuration and Power
Interface“ (ACPI) standards. When either VCC or
VSBY is present, the device automatically enables
the regulator and produces a stable 3.3V output
VOUT. When only VAUX (3.3V) is present, the
device provides a low impedance direct
connection (120mW typ.) from VAUX to VOUT.
The AIC1531 also prevents excessive current
from flowing VOUT to either input voltage or
ground when the output voltage is higher than
the input voltage.
All the necessary control circuitry needed to
provide a smooth and automatic transition
between all the three supplies has been
incorporated. This allows both VCC and VSBY to
be dynamically switched without loss of output
voltage.
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austriamicrosystems offers a broad line of high performance low dropout linear regulators. These LDOs convince with ultra low dropout, fast transient response as well as excellent line and load regulation.
AS1351 Dual LDO with programmable output voltage between 1.8V and 3.3V
AS1352 Quad LDO with programmable output voltage between 1.8V and 3.3V
AS1353 150mA Low Dropout Regulator, Reverse Battery Protection, Low Noise Bypass Pin
AS1356 150mA Low Dropout Regulator, Reverse Battery Protection, Power-OK Flag
AS1357 Triple LDO with programmable output voltage between 1.8V and 3.3V
AS1360 1.5µA Low-Power LDO, Input Voltage up to 20V, Vout: 1.8V, 2.5V, 3.0V, 3.3V or 5.0V, Sot23-3
AS13985 150mA Micropower Low-Noise LDO
AS13986 Dual 150mA Micropower Low-Noise LDO
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AC-DC Converters Hi-Power For Networking With All Pico's High Power Converters, New UAC Series For 5-48 VDC Isolated Outputs and Our UL Recognized LPHA1 and PHA1 Power Factor Corrected Units meet the low harmonic distortion of the requirements of IEC 1000-3-2. A 365 VDC output and a power of up to 500 Volts is available.
Our Newest units, HPHA1 and HPHA2, of the Power Factor Corrected family meets the requirements of IEC 1000-3-2 and accepts three or single phase inputs with a maximum power of 2000 Watts.
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AIF - PFC Series
AIF Power Factor Correction Module, 1600 Watts ouput power, Universal AC Input of 85-264VAC 50/60 Hz, Output 380V DC
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General description :
Intersil is a recognized global leader in power management solutions, offering a broad portfolio of products that simplify a variety of power designs. Intersil's family of power management ICs ranges from building blocks, including charge pumps, to highly-integrated, multiple-output, and multiphase PWMs, to quad-voltage hot-swap controllers. As a leading supplier of PWM controller ICs with over 2 billion units shipped, Intersil addresses a broad range of power management needs for applications that include computing, communications, peripherals, display, networking, telecommunications, industrial, instrumentation, and battery-powered products.
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PowerWise® AVS adaptive voltage and threshold scaling technology reduces energy consumption in digital processors by up to 70%. The use of simple standard hardware interfaces and National's collaboration with industry leaders such as ARM, TSMC, UMC, and Synopsys ensures that this technology can be used on any CMOS process, with standard design tools and flows.
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Controllers - Regulators - PFCs - Drivers - Supervisors:
ON Semiconductor offers a broad portfolio of power management devices that improve the efficiency of AC-DC & DC-DC power supplies, covering the complete power chain From the Socket to the Pocket™. These devices improve active-mode efficiency, lower standby-mode power consumption, and deliver power factor correction.
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STMicroelectronics is a leading supplier of semiconductors for Power Management. A range of turnkey solutions address the growing demand for innovation to achieve higher efficiency, higher power density and lower standby power.
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Power management
