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Номер в каталоге(s) : MPD-425V
BOSER
BOSER Technology Co., Ltd
Компоненты Описание : 250w DC-DC Power Supply Input Range: 40~57VDC

250w DC-DC Power Supply Input Range: 40~57VDC

Номер в каталоге(s) : MPD-425V
ETC
Unspecified
Компоненты Описание : 250w DC-DC Power Supply Input Range: 40~57VDC

[BOSER]

250w DC-DC Power Supply Input Range: 40~57VDC

Номер в каталоге(s) : AN826
ST-Microelectronics
STMicroelectronics
Компоненты Описание : 250w HIGH Power FACTOR Supply FOR TV

INTRODUCTION
This application has been designed to provide a complete Supply for colour TV. The system has been configured using a Flyback DC-DC converter with an upstream PFC section in order to improve the characteristics of the whole Supply. The architecture of the system consists of a L4981A controller with the relevant circuitry for the PFC section, and of a TEA2261 synchronised, in master-slave configuration, with a TEA5170 at 15 kHz switching frequency. When the Supply is in stand-by condition, the TEA2261 controller operates in burst mode.

System Main Features:
■ Input Voltage Range: 176 to 270 Vac
■ Rated Output Power: 250w
Power Factor at max. Output Power: 0.98
■ Input Power in Stand-by mode: 3W
■ DC Preregulated Voltage: 400
■ Efficiency: > 80%
■ Operating Frequency: 15kHZ Synchronised (only Fly-Back Section)
■ Minimum Output Power Synchronised : 8.5 W
Others: Short Circuit, Overload and Open Load Protection.

Компоненты Описание : 86mm 1U Front End AC-DC Power Supply

PRODUCT OVERVIEW
The D1U86P-W-1600-12-HBxDC products are high efficiency 1600 watt, Power factor corrected front end supplies with a 12V main output and a 12V (30W) standby. They have current sharing and up to 8 supplies may be operated in parallel. The supplies may be hot plugged, they recover from overtemperature faults, and have logic and PMBus monitoring and control. Their low profile 1U package and >38.6W/cubic inch Power density make them ideal for delivering reliable, efficient Power to servers, workstations, storage systems and Other 12V distributed Power systems.

FEATURES
■ 1600W output Power
■ 94% minimum effi ciency at 50% load
■ 12V main output
■ 12V standby output of 30W
■ 1U height: 3.4" x 7.75" x 1.59"
■ 38.6 Watts per cubic inch density
■ N+1 redundancy, including hot plugging (up to 8 in parallel)
■ Current sharing on 12V main output
■ Overvoltage, overcurrent, overtemperature protection
■ Internal cooling fan (variable speed)
■ PMBus™ / I²C interface monitoring and control
■ RoHS compliant

Компоненты Описание : 86mm 1U Front End DC-DC Power Supply Converter

PRODUCT OVERVIEW
The D1U86-D-1600-12-HBxDC series are highly efficient 1600 watt, DC input front end supplies with a 12V main output and a 12V (30W) standby. They have current sharing and up to 8 supplies may be operated in parallel. The supplies may be hot plugged, they recover from overtemperature faults, and have logic and PMBus monitoring and control. Their low profile 1U package and >38.6W/cubic inch Power density make them ideal for delivering reliable, efficient Power to servers, workstations, storage systems and Other 12V distributed Power systems.

FEATURES
■ 1600W output Power
■ 93% efficiency at half load
■ 12V main output
■ 12V standby output of 30W
■ 1U height: 3.4" x 7.75" x 1.59"
■ 38.6 Watts per cubic inch density
■ N+1 redundancy, including hot plugging (up to
■ 8 in parallel)
■ Current sharing on 12V main output, ORing FET
■ Overvoltage, overcurrent, overtemperature protection
■ Internal cooling fan (variable speed)
■ PMBus™ / I²C interface monitoring and control
■ RoHS compliant
■ Two Year Warranty

Компоненты Описание : 1600W 1U Front End Power Supplies

Features
◆ 1U rackmount containing up to 5 units
◆ Internal ORing MOSFET & Current Share
◆ High Efficiency
◆ Up to 7600W in 1U rack
◆ Full array of signals available

Номер в каталоге(s) : TDA7570
ST-Microelectronics
STMicroelectronics
Компоненты Описание : 250w PWM high efficiency Power audio amplifier

Description
The TDA7570 is a switchmode Power audio amplifier with differential inputs and PWM output.
The maximum output current and voltage swing are depending by the output circuitry (Power Supply, external Power transistors and sensing resistors). The device can work as a stereo single-ended channels or a mono bridge Power amplifier.

Features
■ Output Power 2 x 70W / 1 x 250w @ THD<1%
■ PWM output
■ ±30V Supply voltage (Max)
■ Stand-by
■ Mute
■ Protections against short circuit across the load
■ Chip thermal protection
■ External temperature sensor possibility
■ Thermal warning pins
■ Adjustable clip detector pin

Номер в каталоге(s) : MJ15004 MJ15003
NELLSEMI
Nell Semiconductor Co., Ltd
Компоненты Описание : Complementary Silicon Power transistors (20A / 140V / 250w)

DESCRIPTION
The MJ15003 is a silicon epitaxial-base planar NPN transistor mounted in JEDEC TO-3 metal case.
lt is designed for high Power audio, disk head positioners and Other linear applications. The complementary PNP type is MJ15004.

FEATURES
● Designed for general-purpose switching and amplifier applications.
● DC current gain-hFE = 25 (Min) @ lC = 5 Adc
● High safe operation area (100% tested) 250w @ 50V
● For low distortion complementary designs

Номер в каталоге(s) : TA0103A
TRIPATH
Tripath Technology Inc.
Компоненты Описание : Stereo 250w (4Ω) Class-T Digital Audio Amplifier Driver using Digital Power Processing (DPP™) Technology

GENERAL DESCRIPTION
The TA0103A is a 250w continuous average (4Ω), two channel Amplifier Driver Module which uses Tripath’s proprietary Digital Power Processing (DPP™) technology. Class-T amplifiers offer both the audio fidelity of Class-AB and the Power efficiency of Class-D amplifiers.

Features
● Class-T architecture
● Proprietary Digital Power Processing technology
    Supports wide range of output Power levels
● “Audiophile” Sound Quality
   ◆ 0.04% THD+N @ 55W, 8Ω
   ◆ 0.03% IHF-IM @ 36W, 8Ω
   ◆ 140W @ 8Ω, 0.1% THD+N, VS = +54V
   ◆ 250w @ 4Ω, 0.1% THD+N, VS = +54V
● High Power
   ◆ 150W @ 8Ω, 1% THD+N, VS = +54V
   ◆ 300W @ 4Ω, 1% THD+N, VS = +54V
● High Efficiency
   ◆ 92% @ 155W @ 8Ω, VS = +45V
   ◆ 90% @ 275W @ 4Ω, VS = +45V
● Dynamic Range = 106 dB
● Requires only N-Channel MOSFET output transistors
● High Power Supply rejection ratio
● Mute input
● Outputs short-circuit protected
● Over- and under-voltage protection
● Bridgeable, single-ended outputs
● 38-pin quad package
  Supports 100kHz BW of Super Audio CD and DVD-Audio (refer to Application Note for specifics)

Номер в каталоге(s) : TA0103A
Unspecified2
Unspecified
Компоненты Описание : Stereo 250w (4Ω) Class-T Digital Audio Amplifier Driver using Digital Power Processing (DPP™) Technology

[TRIPATH TECHNOLOGY, INC]



GENERAL DESCRIPTION

The TA0103A is a 250w continuous average (4Ω), two channel Amplifier Driver Module which uses Tripath’s proprietary Digital Power Processing (DPP™) technology. Class-T amplifiers offer both the audio fidelity of Class-AB and the Power efficiency of Class-D amplifiers.



 


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