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부품명(s) : MPD-425V
BOSER
BOSER Technology Co., Ltd
상세내역 : 250w DC-DC Power Supply Input Range: 40~57VDC

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

부품명(s) : MPD-425V
ETC
Unspecified
상세내역 : 250w DC-DC Power Supply Input Range: 40~57VDC

[BOSER]

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

부품명(s) : AN826
ST-Microelectronics
STMicroelectronics
상세내역 : 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.

상세내역 : 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

부품명(s) : TDA7570
ST-Microelectronics
STMicroelectronics
상세내역 : 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

부품명(s) : MJ15004 MJ15003
NELLSEMI
Nell Semiconductor Co., Ltd
상세내역 : 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

부품명(s) : TA0103A
TRIPATH
Tripath Technology Inc.
상세내역 : 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)

부품명(s) : TA0103A
Unspecified2
Unspecified
상세내역 : 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.



 


상세내역 : Static/Half Duty LCD COG Driver with Real Time Clock

General Description
ML2002 (COG) LCD driver can be cascaded to increase the number of segments drive, with Static driving it can form a single piece of 48 (1 ICs) or 96 (2 ICs cascaded) segments driver. With 1/2 Duty, the number of segment drive would be doubled. It targets at custom TN LCD COG Module product which requires the best quality of TN LCD technology and small to medium number of segment display. ML2002 series driver offers the best contrast, the widest viewing angle, the widest range of operating voltage and temperature when compared to the high duty cycle driver. EMI and Noise protection circuit has been added which tailor made for COG application.

Features
● A Gold Bump Chip which can reduce pin count and area.
● Simplest design with no chargepump to Supply high voltage to LCD
● Only 5 pin is needed which can reduce space.
● Low operating current
● Can disable internal clock to reduce current.
● Wide Logic & LCD Power Supply: 2.5V to 6.0V
● No need to add external voltage regulator
● Static or 1/2 Duty driving with 1/2 Bias
● Number of segments: (Static) 48, (1/2 Duty) 96
● Cascading structure to increase the number of driving segments, it’s more flexible for different application.
● Build-in LCD voltage driver, crystal oscillator, internal RC oscillator and display control circuit.
● Offer best contrast and widest viewing angle of TN LCD technology especially in static mode.
● No temperature compensationis needed for Topr = -40°C to 80°C.

Application
◆ General Purpose Clock
◆ High quality instrument
◆ Telephone, mobile phone
◆ Automotive
◆ Handheld Device like PDA, MP3, or PMP

부품명(s) : MPI-925A
BOSER
BOSER Technology Co., Ltd
상세내역 : 250w AC-DC AT Power Supply

FEATURES
* Input Voltage: 90~265VAC
* Input Frequency: 47~63Hz
* Inrush Current: Does not exceed 30A at 115VAC input or 60A AC input, at cold start 25°C
* Load Range: When all outputs are at 60% rated load condition, the +5V output is set between 4.90~5.10V and all Other outputs are within the specified voltage accuracy range
* Ripple And Noise: Peak to peak ripple and noise for each output is < 1% of each output voltage at rated load 115~230VAC
* Line Regulation: < +/-1% at rated load with +/-10% change in input voltage
* Load Regulation: The output voltage load regulation is less than the values on the table when each output loading changes +/-40% from 60% rated load while all Other outputs at 60% rated load
* Hold Up Time: 14ms typ. from the last AC line charging pulse to the point when +5V drops down to +4.75V
* Output Power: Total DC continuous Power is within 200W at 40oC ambient temperature. If the input voltage is < 100VAC, total DC continuous Power should not exceed 180W
* Power Good Signal: Goes high 100~500ms after all DC output is ready
* Power Failure: Goes low 1ms before any DC output falls
* Efficiency: > 65% at nominal line and rated load
* Altitude: 10,000 feet
* Protection: Built-in crowbar circuit automatically shuts down outputs to avoid damaging external circuits. Trip point of O.V.P. circuit is between 5.7~7.0V
* Temperature: 0~+70°C (operating); -40~+75°C (storage)
* Humidity: 5~95%; non-condensing at 40oC (operating)
* Connectors:
    AC Input/Output: Meets IEC 320/CEE 22 standard
    Tab Terminals: Female 0.250" x 0.032"
    CPU Board: Alex 8500-06 or equivalent device 3.5" Disk Drive: AMP 1-480424-0/171822-4 or equivalent device
* Dimensions: 14.0 x 15.0 x 8.62 cm with +/-0.8mm and +/- 0.4mm tolerance between mounting holes
* MTBF: 156,598 hrs.

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