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BD9123MUV_11

更新时间： 2024-09-21 08:51:51
品牌 Logo 应用领域
罗姆 - ROHM 稳压器开关
页数 文件大小 规格书
18页 429K
描述
Output 1.5A or Less High-efficiency Step-down Switching Regulator with Built-in Power MOSFET

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BD9123MUV_11 数据手册

 浏览型号BD9123MUV_11的Datasheet PDF文件第2页浏览型号BD9123MUV_11的Datasheet PDF文件第3页浏览型号BD9123MUV_11的Datasheet PDF文件第4页浏览型号BD9123MUV_11的Datasheet PDF文件第5页浏览型号BD9123MUV_11的Datasheet PDF文件第6页浏览型号BD9123MUV_11的Datasheet PDF文件第7页 
Single-chip Type with Built-in FET Switching Regulators  
Output 1.5A or Less  
High-efficiency Step-down Switching Regulator  
with Built-in Power MOSFET  
No.11027EAT38  
BD9123MUV  
●Description  
ROHM’s high efficiency step-down switching regulator BD9123MUV is a power supply designed to produce a low voltage  
including 0.85 to 1.2 volts from 5.5/3.3 volts power supply line. Offers high efficiency with our original pulse skip control  
technology and synchronous rectifier. Employs a current mode control system to provide faster transient response to sudden  
change in load.  
●Features  
1) Offers fast transient response with current mode PWM control system.  
2) Offers highly efficiency for all load range with synchronous rectifier (Nch/Pch FET)  
and SLLM (Simple Light Load Mode)  
3) Incorporates output voltage inside control function.(3 bit)  
4) Incorporates PGOOD function.  
5) Incorporates soft-start function.  
6) Incorporates thermal protection and ULVO functions.  
7) Incorporates short-current protection circuit with time delay function.  
8) Incorporates shutdown function Icc=0µA(Typ.)  
9) Employs small surface mount package: VQFN016V3030  
●Applications  
Power supply for LSI including DSP, Micro computer and ASIC  
●Absolute maximum ratings (Ta=25℃)  
Parameter  
Symbol  
Ratings  
Unit  
VCC Voltage  
Vcc  
PVcc  
EN, SW, ITH  
VID<2:0>  
Pd1  
-0.3～+7 *1  
-0.3～+7 *1  
-0.3～+7  
-0.3～+7  
0.27 *2  
V
V
PVCC Voltage  
EN,SW,ITH Voltage  
V
Logic input voltage  
V
Power Dissipation 1  
W
W
W
W
℃
℃
℃
Power Dissipation 2  
Pd2  
0.62 *3  
Power Dissipation 3  
Pd3  
1.77 *4  
Power Dissipation 4  
Pd4  
2.66 *5  
Operating temperature range  
Storage temperature range  
Maximum junction temperature  
Topr  
-40～+95  
-55～+150  
+150  
Tstg  
Tj  
*1 Pd should not be exceeded.  
*2 IC only  
*3 1-layer. mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, occupied area by copper foil : 10.29mm2  
*4 4-layer. mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, 1st and 4th copper foil area : 10.29mm2 , 2nd and 3rd copper foil area : 5505mm2  
*5 4-layer. mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, occupied area by copper foil : 5505mm2, in each layers  
www.rohm.com  
© 2011 ROHM Co., Ltd. All rights reserved.  
2011.01 - Rev.A  
1/17  
1234567...18

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