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| 型号： | UWS-12/4.5-Q48PM-C |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 12/25页 |
| 文件大小： | 0K |
| 描述： | DC/DC CONVERT 12V 4.5A ISOLATED |
| 产品培训模块： | UWS Series, 4:1 Input, Sixteenth-Brick, Isolated DC/DC Converters |
| 标准包装： | 200 |
| 系列： | UWS |
| 类型： | 隔离 |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 18V |
| 电压 - 输入（最大）： | 75V |
| Voltage - Output 1： | 12V |
| 电流 - 输出（最大）： | 4.5A |
| 电源（瓦） - 制造商系列： | 54W |
| 电压 - 隔离： | 2.25kV（2250V） |
| 特点： | 具有远程开/关功能和 UVLO |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SMD 模块，1/16 砖 |
| 尺寸/尺寸： | 1.31" L x 0.91" W x 0.36" H（33.3mm x 23.1mm x 9.1mm） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 91% |
| 电源（瓦特）- 最大： | 54W |
UWS Series
Sixteenth-brick DOSA-Compatible,
Wide Input Isolated DC-DC Converters
FUNCTIONAL SPECIFICATIONS, UWS-12/4.5-Q48
ABSOLUTE MAXIMUM RATINGS
Input Voltage, Continuous
Input Voltage, Transient
Conditions ?
Full temperature range
Operating or non-operating, 100 mS max.
duration
Minimum
0
0
Typical/Nominal
Maximum
80
100
Units
Vdc
Vdc
Isolation Voltage
Input Reverse Polarity
On/Off Remote Control
Input to output tested
None, install external fuse
Power on or off, referred to -Vin
2250 Vdc
None Vdc
0 15 Vdc
Output Power
Output Current
Storage Temperature Range
0 54.54 W
Current-limited, no damage, short-circuit protected 0 4.5 A
Vin = Zero (no power) -55 125 °C
Absolute maximums are stress ratings. Exposure of devices to greater than any of these conditions may adversely affect long-term reliability. Proper operation under conditions other than those
listed in the Performance/Functional Speci?cations Table is not implied or recommended.
INPUT
Operating voltage range
Recommended External Fuse
Start-up threshold
Undervoltage lockout
Overvoltage shutdown
Reverse Polarity Protection
Internal Filter Type
Input current
Full Load Conditions
Low Line
Inrush Transient
Output in Short Circuit
No Load Input Current
Shut-Down Mode Input Currrent (Off, UV, OT)
Re?ected (back) ripple current ?
Pre-biased startup
GENERAL and SAFETY
Ef?ciency
Isolation
Isolation Voltage, Input to Output
Insulation Safety Rating
Isolation Resistance
Isolation Capacitance
Safety (Designed to meet the following
requirements)
18 48 75 Vdc
Fast blow 6 A
Rising input voltage 16.5 17.2 17.9 Vdc
Falling input voltage 15 16.5 17.50 Vdc
Rising input voltage None Vdc
None, install external fuse None Vdc
capacitive
Vin = nominal 1.24 1.28 A
Vin = minimum , 3.5A load 2.55 2.63 A
0.05 A2-Sec.
100 200 mA
Iout = minimum, unit=ON 25 60 mA
5 10 mA
Measured at input with speci?ed ?lter 30 40 mA, pk-pk
External output voltage < Vset Monotonic
Vin=48V, full load 89 91 %
Vin=24V, full load 89.5 91.5 %
2250 Vdc
basic
100 MΩ
1000 pF
UL-60950-1, IEC/EN60950-1, 2nd Edition Yes
Calculated MTBF ?
DYNAMIC CHARACTERISTICS
Per Telcordia SR332, issue 1, class 3, ground
?xed, Tambient=+25°C
3.0 Hours x 10 6
Fixed Switching Frequency
Power Up Startup Time
On/Off Startup Time
200 230 260 KHz
Power On to Vout regulated 30 mS
Remote ON to Vout regulated 30 mS
Dynamic Load Response
50-75-50% load step, settling time to within
±1% of Vout
250 300 μSec
Dynamic Load Peak Deviation
FEATURES and OPTIONS
Remote On/Off Control ?
"N" suf?x
Negative Logic, ON state
Negative Logic, OFF state
Control Current
"P" suf?x
Positive Logic, ON state
Positive Logic, OFF state
Control Current
Same as above, ±350 ±400 mV
ON=Pin grounded or external voltage -0.1 0.8 Vdc
OFF=Pin open or external voltage 2.5 15 Vdc
Open collector/drain, sourcing 1 2 mA
ON=Pin open or external voltage 10 15 Vdc
OFF=Pin grounded or external voltage 0 0.7 Vdc
Open collector/drain, sinking 1 2 mA
www.murata-ps.com/support
MDC_UWS Series.C03 Page 12 of 25
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