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UNR-1.8/2-D5

更新时间： 2024-10-14 20:15:15
品牌 Logo 应用领域
村田 - MURATA /
页数 文件大小 规格书
8页 188K
描述
DC-DC Regulated Power Supply Module, 1 Output, 3.6W, Hybrid, PLASTIC PACKAGE-9

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UNR-1.8/2-D5 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：MODULE
包装说明：,针数：9
Reach Compliance Code：compliantECCN代码：EAR99
风险等级：5.55Is Samacsys：N
模拟集成电路 - 其他类型：DC-DC REGULATED POWER SUPPLY MODULE最大输入电压：5.5 V
最小输入电压：4.75 V标称输入电压：5 V
JESD-30 代码：S-PDMA-P9JESD-609代码：e3
长度：25.4 mm最大负载调整率：0.5%
功能数量：1输出次数：1
端子数量：9最高工作温度：65 °C
最低工作温度：-40 °C最大输出电压：1.832 V
最小输出电压：1.768 V标称输出电压：1.8 V
封装主体材料：PLASTIC/EPOXY封装形状：SQUARE
封装形式：MICROELECTRONIC ASSEMBLY峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：11.94 mm
表面贴装：NO技术：HYBRID
温度等级：OTHER端子面层：TIN
端子形式：PIN/PEG端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED最大总功率输出：3.6 W
微调/可调输出：NO宽度：25.4 mm
Base Number Matches：1

UNR-1.8/2-D5 数据手册

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UNR Series  
s
Single Output, Non-Isolated, 1.8/2.5/3.3VOUT 3.6-10W DC/DC Converters  
PRODUCT OVERVIEW  
Murata Power Solutions' 3.6-10W UNR Series  
consists of non-isolated, 5V-to-1.8V (2A), 5V-to-  
2.5V (2A), 5V-to-3.3V (3A), and 12V-to-3.3V (3A)  
DC/DC converters in miniature surface-mount  
and through-hole packages. The "gull-wing" SMT  
packages (with metal shells and non-conductive  
plastic baseplates) weigh a mere 17 grams and  
can withstand lead temperatures up to +230°C.  
They are compatible with virtually all contemporary  
pick-and-place and solder-reflow processes.  
UNR Series makes this power processing at the  
concluding point of use a practical reality today.  
These versatile DC/DC's are fully line and load  
regulated. They feature user-optional on/off control  
(for power-sequencing requirements), output cur-  
rent limiting, and short-circuit protection (foldback  
technique with auto-recovery). Additionally, the  
12V-to-3.3V models offer input undervoltage  
lockout (at 9.6V). Their impressive guaranteed  
efficiencies enable all models to deliver their fully  
rated output power from –40 to +65/70°C (ambi-  
FEATURES  
 ꢀ  
Low cost! High reliability!  
 ꢀ  
1" x 1" through-hole package or 1.01" x 1.01"  
SMT package  
 ꢀ  
Gull-wing leads; Standard reflow  
 ꢀ  
Complete; No external components  
 ꢀ  
Outputs: 1.8V/2A, 2.5V/2A, 3.3V/3A  
 ꢀ  
The true benefits of distributed power will  
ultimately be realized only when every low-voltage, ent) without heat sinking or forced-air cooling.  
Inputs: 4.75-5.5V, 10.8-13.6V  
high-current CPLD, ASIC, DSP, etc. has its own  
If you've already considered and rejected the  
"power plant" right next to it. With isolated DC/  
use of inefficient, step-down, linear regulators,  
DC converters inevitably residing at the edges of  
take a look at one of these new switching buck  
boards in proximity with backplanes and power  
regulators. Their high efficiency, ease-of-use, long-  
buses, the "on-board" proliferation of distributed  
term reliability, and overall cost effectiveness will  
power will continue with more cost-effective,  
impress you. Safety agency approvals are currently  
non-isolated devices. The low-cost, easy-to-use  
in progress.  
 ꢀ  
Guaranteed efficiencies to 87%  
 ꢀ  
Output noise as low as 40mVp-p  
 ꢀ  
Transient response as quick as 20μsec  
 ꢀ  
–40 to +70°C operation with no derating  
 ꢀ  
On/off control; EMC compliant  
 ꢀ  
IEC950/EN60950/UL1950 approvals  
(no external components required), highly reliable  
 ꢀ  
Modifications and customs for OEM's  
(100% fully automated SMT construction) 3.6-10W  
+VOUT  
+VIN  
➁
OUTPUT  
RETURN  
INPUT  
RETURN  
➀
LOGIC  
GROUND  
CURRENT LIMITING  
& S.C. SHUTDOWN  
UNDERVOLTAGE  
SHUTDOWN  
PWM  
CONTROLLER  
ON/OFF  
CONTROL  
REFERENCE &  
ERROR AMP  
➀ "D5" models do not have input undervoltage shutdown.  
➁ "D5" models employ a more traditional buck-regulator design  
in which this FET is replaced with a power Schottky diode.  
Figure 1. Simplified Schematic  
Typical topology is shown.  
For full details go to  
www.murata-ps.com/rohs  
www.murata-ps.com  
email: sales@murata-ps.com  
04 Nov 2010 MDC_UNR 3.6-10W_B02 Page 1 of 8  
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