EWB系列---列车车载电源介绍

EWB系列---列车车载电源

 

Version C  (100x70x20mm)  Version K

Version S (100x41x17mm)

EWB系列电源特点：

陶瓷基板PCB

丝印电阻

效率高达94.5%

工作温度范围：-40℃~+85℃

EMC/EMV符合EN55155，EN50121-3-2

防火等级：UL94-V0

RoHS认证

SMT - on ceramic technology

Metal case in different shapes

100% burn-in & parameter  test

Assembling according to  ANSI/IPC-A-610

Laser trimmed thick film resistors

High efficiency up to 94,5%

Short circuit proof

Extended temperature range: -40°C to +85°C 

Designed to meet EN50155 and EN50121-3-2

Integrated hold-up-time

Integrated Input filter

Integrated reverse polarity protection

OVP: Burst EN61000-4-4   2kV (5/50ns,      5kHz)

Surge EN61000-4-5   2kV Line-Earth;1kV Line-Line

RoHS compliant

UL94V-0 compliant

 

Examples of Part Number
Model	Input	Output	Efficiency	Connection
EWB150-24-12-C	14V  to  34V	12V /  12,5A	91%	Cable
EWB150-24-12-K				Connector
EWB150-24-12-S				Connector
EWB150-24-24-C	14V  to  34V	24V /  10A	93%	Cable
EWB150-24-24-K				Connector
EWB150-24-24-S				Connector
EWB150-36-28-C	21V  to  51V	18V /  8,33A	93%	Cable
EWB150-36-18-K				Connector
EWB150-36-18-S				Connector
EWB150-110-24-C	66V  to  154V	24V /  6,25A	94%	Cable
EWB150-110-24-K				Connector
EWB150-110-24-S				Connector

General electrical specifications (Note1)
					INPUT	Nominal  input voltage	24V DC	36V DC	110V DC
Input voltage range	14V to  34V DC	21V to 51V DC	66V to  154V DC
Low side turn off / on	12V /  13,5V	18V / 20V	58V /  64V
High side  turn off / on	37 / 35V	54V / 53V	165V /  160V
Max. input  voltage	± 80V  DC	± 100V DC	± 200V  DC
No load input current	50 mA	50 mA	50 mA
Nominal  input current	6,87 A	4,53 A	1,46 A
Hold-up-time (Class S2)	-	-	>10ms  for Pout<100W
Efficiency	90,6% to 92,6%	91,8% to 93,5%	92,3% to 94,5%

OUTPUT	Output  voltage	12V	15V	18V	24V
	Output  current	12,5A	10A	8,33A	6,25A
	-	-	-	-	-
	Output voltage accuracy	± 1%
	Regulation  line³ (Note 2)	± 1%
	Regulation  load (Note 3)	± 2%
	Ripple  (20 MHz)	< 80 mVpp	< 100 mVpp	< 125 mVpp	< 150 mVpp

PROTECTION	Short circuit  protection	current limiting
	Overload protection	Thermal shutdown @ ca 120°C
	Reverse polarity	See max. input voltage
ISOLATION	Isolation I/O	2500V DC
	Isolation I/ case	1500V DC
	Isolation O/case	1000V DC
Environment	Operating  temperature	-40 to +85°C
(Note 4)	Storage temperature	-55 to +125°C
Other	Temperature  coefficient	0,02%/°C

 

Notes:

1. Typical specifications at Ta = 25°C under normal line voltage and full load conditions, unless otherwise noted

2. Ui min to Ui max

3. Imin = 0 to Imax = 100%

4. Case temperature

机械结构：

Version C

all dimensions in mm

tolerance: ±1mm

 

Red: 200mm / 0,75mm²	+ Input
Black: 200mm / 0,75mm²	- Input
Orange: 2 x 200mm / 0,75mm²	+ Output
Blue: 2 x 200mm / 0,75mm²	- Output

 

Version K:

all dimensions in mm

tolerance: ±0,5mm

Version S:

all dimensions in mm

tolerance: ±0,5mm

原理框图：

EMI/RFI:  EWB150-XX-XX

Radiated

Conducted

效率

EWB150-110-12

EWB150-110-15

EWB150-110-18

EWB150-110-24

电源输出功率与温度曲线

电源输出纹波@额定输入，额定负载

EWB150-XX-12

EWB150-XX-15

EWB150-XX-18

EWB150-XX-24

 

 

               

编辑：黄飞