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参数资料
型号： EXB250-48S1V5
英文描述： Single output
中文描述： 单输出
文件页数： 1/2页
文件大小： 63K
代理商： EXB250-48S1V5
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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相关代理商/技术参数
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EXB250-48S1V5J 功能描述:DC/DC转换器 90W 33-75Vin 1.5V 60A Single 1/2 Brick RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
EXB250-48S1V5-R 功能描述:DC/DC转换器 CONV DC/DC 1.5V OUT RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
EXB250-48S1V5-RJ 功能描述:DC/DC转换器 90W 33-75Vin 1.5V 60A -NEG REMOTE RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
EXB250-48S1V8 功能描述:DC/DC转换器 108W 1.8V 60A RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
EXB250-48S1V8J 功能描述:DC/DC转换器 108W 1.8V 60A RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
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