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参数资料
| 型号： | UEI25-033-D48NM-C |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | CONV DC/DC 48VIN 3.3VOUT 25W SMD |
| 标准包装： | 1 |
| 系列： | UEI25 |
| 类型： | 隔离 |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 36V |
| 电压 - 输入（最大）： | 75V |
| Voltage - Output 1： | 3.3V |
| 电流 - 输出（最大）： | 7.5A |
| 电源（瓦） - 制造商系列： | 25W |
| 电压 - 隔离： | 2.25kV（2250V） |
| 特点： | 具有远程开/关功能 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-DIP SMD 模块 |
| 尺寸/尺寸： | 1.10" L x 0.96" W x 0.34" H（27.9mm x 24.4mm x 8.6mm） |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 89.5% |
| 电源（瓦特）- 最大： | 24.75W |
| 其它名称： | 811-2283-6 |
www.murata-ps.com
UEI25 Series
Single Output Isolated 25-Watt DC/DC Converters
Output (V)
Current (A)
Nominal Input (V)
Typical unit
FEATURES
?
? Cost effective small footprint DC/DC converter,
ideal for high current applications
?
? Industry standard 0.96" x 1.1" x 0.32" open
frame package and pinout
?
? Input voltage range of 36-75 Vdc
?
?
? 3.3V, 5V, or 12Vdc ?xed output voltages
? Isolation up to 2250 VDC (basic)
Up
? ? to 25 Watts total output power with exten-
sive self-protection shutdown features
?
? High ef?ciency synchronous recti?er forward
topology up to 91%
?
? Stable operation with no required external
components
3.3
5
12
PRODUCT OVERVIEW
Featuring a full 25 Watt output in one square inch
of board area, the UEI25 series isolated DC/DC
converter family offers ef?cient regulated DC power
for printed circuit board mounting. The 0.96" x 1.1"
x 0.32" (24.4 x 27.9 x 8.1 mm) converter accepts a
2:1 input voltage range of 36 to 75 Volts DC, ideal
for telecom equipment. The industry-standard pin-
out ?ts larger 1" x 2" converters. The ?xed output
voltage is tightly regulated. Applications include
small instruments, area-limited microcontrollers,
data communications equipment, remote sensor
systems, telephone equipment, vehicle and portable
electronics.
The UEI25 series includes full magnetic and
optical isolation with Basic protection up to 2250
Volts DC. For powering digital systems, the outputs
7.5
5
2.1
48
48
48
offer fast settling to step transients and will accept
higher capacitive loads. Excellent ripple and noise
speci?cations assure compatibility to noise-sus-
ceptible circuits. For systems requiring controlled
startup/shutdown, an external remote On/Off control
may use a switch, transistor or digital logic.
A wealth of self-protection features avoid both
converter and external circuit faults. These include
input undervoltage lockout and overtemperature
shutdown. The outputs current limit using the
“hiccup” autorestart technique and the outputs are
short-circuit protected. Additional features include
output overvoltage and reverse conduction elimina-
tion. The high ef?ciency offers minimal heat buildup
and “no fan” operation.
?
? Usable -40 to 85°C temperature range (with
derating)
?
? Certi ?ed to UL 60950-1, CAN/CSA-C22.2 No.
60950-1, IEC60950-1, EN60950-1 safety
approvals, 2nd edition
F1
External
DC
Power
Source
+Vin (1)
On/Off
Control
(6)
Open = On
-Vin (2)
Controller
and Power
Barrier
Reference and
Error Ampli ?er
+Vout (3)
Trim (4)
-Vout (5)
Figure 1. Connection Diagram
Typical topology is shown. Murata Power Solutions
recommends an external fuse.
For full details go to
www.murata-ps.com/rohs
REG.-Nr. D806
www.murata-ps.com/support
MDC_UEI25W.B09 Page 1 of 24
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相关代理商/技术参数 |
参数描述 |
|---|---|
| UEI25-033-D48P-C | 功能描述:DC/DC转换器 48Vin 3.3Vout 7.5A 25W Pos. Polarity 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: |
| UEI25-033-D48PM-C | 功能描述:DC/DC转换器 48V 3.3Vout 7.5A SMT 25W Pos. Polarity 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: |
| UEI25-050-D48 | 制造商:MURATA 制造商全称:Murata Manufacturing Co., Ltd. 功能描述:Single Output Isolated 25-Watt DC/DC Converters |
| UEI25-050-D48N-C | 功能描述:DC/DC转换器 48Vin 5Vout 5A 25W Neg. Polarity 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: |
| UEI25-050-D48NM-C | 功能描述:DC/DC转换器 48Vin 5Vout 5A SMT 25W Neg. Polarity 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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