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    參數(shù)資料
    型號： EXB250-48S3V3
    英文描述： Single output
    中文描述： 單輸出
    文件頁數(shù)： 1/2頁
    文件大?。?/td> 63K
    代理商： EXB250-48S3V3
    EXB250 SERIES
    Single output
    High efficiency topology, 90% typical at 3.3V
    Industry standard footprint
    Wide baseplate temperature, -40C to +100C
    (natural convection)
    90% to 110% output trim
    No minimum load
    Overvoltage protection
    Remote on/off
    The EXB250 is a new high efficiency, open frame, isolated 165 Watt converter
    series in an industry standard half-brick footprint. The EXB250 delivers very high
    output current at low voltages, and excellent useable power density for today's
    high end applications. The design takes advantage of open frame construction to
    provide a low weight, low thermal impedance baseplate design. The seven
    models in the series feature an input voltage range of 33 to 75VDC and are
    available in output voltages of 12V, 5V, 3.3V, 2.5V, 1.8V, 1.5V and 1.2V. The output
    voltage on each model is adjustable from 90% to 110% of the nominal value.
    Typical efficiencies for the models are 90% for the 3.3V, 88% for the 2.5V and 87%
    for the 1.8V version. The EXB250 series also has a remote on/off capability.
    Overcurrent and overvoltage protection features are included as standard. With full
    international safety approval including EN60950 (TV Rheinland) and UL/cUL1950,
    the EXB250 reduces compliance costs and time to market.
    SPECIFICATION All specifications are typical at nominal input, full load at 25°C unless otherwise stated
    PAGE 1
    [ 2 YEAR WARRANTY ]
    NEW
    Product
    TV
    International Safety Standard Approvals
    UL/cUL : UL1950 File No. E135734
    TV
    TV Rheinland Certificate No. R2174184
    CB Scheme No. US-TUVR-1085
    EMC CHARACTERISTICS
    Conducted emissions
    EN55022 (See Note 2)
    Level A
    EN55022 (See Note 2)
    Level B
    Immunity:
    ESD air
    EN61000-4-2 8kV (NP), 15kV (NP)
    ESD contact
    EN61000-4-2 6kV ((NP), 8kV (NP)
    Radiated field enclosure EN61000-4-3 10V/m (NP)
    Conducted (DC power)
    EN61000-4-6 10V (NP)
    Conducted (signal)
    EN61000-4-6 10V (NP)
    Input transients
    ETS 300 132-2, ETR 283
    GENERAL SPECIFICATIONS
    Efficiency
    See table
    Operational
    Input/output
    1500VDC
    Input/baseplate
    1500VDC
    Switching frequency
    Fixed
    400kHz typ.
    Approvals and
    EN60950 (TV Rheinland)
    standards (See Note 4)
    UL/cUL1950
    Material flammability
    UL94V-0
    Weight
    73g (2.6oz)
    MTBF
    MIL-HDBK-217F
    >224,000 hours
    @ 40°C, 100% load
    ground benign
    ENVIRONMENTAL SPECIFICATIONS
    Thermal performance
    Operating baseplate
    -40°C to +100°C
    temperature
    Non-operating
    -40°C to +125°C
    OUTPUT SPECIFICATIONS
    Voltage adjustability
    90% to 110%
    Set point accuracy
    ±1.6% max.
    Line regulation
    1V2 Model
    ±0.2% max.
    Low line to high line
    All other models
    ±0.1% max.
    Load regulation
    Full load to min. load
    ±0.2% max.
    Minimum load
    0%
    Overshoot
    At turn-on and turn-off
    None
    Undershoot
    1.2V, 1.5V, 1.8V. 2.5V
    None
    and 3.3V models
    Ripple and noise
    5Hz to 20MHz
    60mV pk-pk
    20mV rms
    Transient response
    6% max. deviation
    (See Note 1)
    150s recovery to
    within total error band
    INPUT SPECIFICATIONS
    Input voltage range
    48Vin nominal
    33 to 75VDC
    Input current
    No load
    145mA max.
    Remote OFF
    35mA max.
    Input current (max.)
    5.7A max. @ Io max.
    (See Note 3)
    and Vin = 33 to 75V
    Input reflected ripple
    (See Note 5)
    350mA (pk-pk) typ.
    Active high remote ON/OFF
    (See Note 7)
    Logic compatibility
    Open collector ref to -input
    ON
    Open circuit or >4.0VDC
    OFF
    <1.2VDC
    Undervoltage lockout
    Power up
    32.5V (typ.)
    Power down
    30.5V (typ.)
    Start-up time
    Power up
    10ms (typ.)
    (See Note 6)
    Remote ON/OFF
    3ms (typ.)
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    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
    EXB250-48S3V3J 功能描述:DC/DC轉(zhuǎn)換器 165W 3.3V 50A RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸:
    EXB250-48S3V3-R 功能描述:DC/DC轉(zhuǎn)換器 CONV DC/DC 3.3V OUT RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸:
    EXB250-48S3V3-RJ 功能描述:DC/DC轉(zhuǎn)換器 165W 33-75Vin 3.3V 60A -NEG REMOTE RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸:
    EXB28N100JX 制造商:Panasonic Industrial Devices 功能描述:RES SM 10 OHM 4X0402(CONVEX) 1/16W
    EXB-28N100JX 制造商:Panasonic Industrial Devices 功能描述:THICK FILM CHIP 4R ARRAY,CONVEX,0804, 10 OHM,5%,T/R,HAZMAT - Tape and Reel 制造商:Panasonic Industrial Devices 功能描述:RES ARRAY 10 OHM 4 RES 0804 制造商:Panasonic Industrial Devices 功能描述:0804 resistor array convex type 7 inch reel, 10 ohm, 5% Halogen free type 制造商:PANASONIC INDUSTRIAL CO. 功能描述:0804 resistor array convex type
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