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BD8964FVM

更新时间: 2024-09-23 06:41:55
品牌 Logo 应用领域
罗姆 - ROHM 稳压器开关
页数 文件大小 规格书
14页 476K
描述
Low Noise High Efficiency Step-down Switching Regulator with Built-in Power MOSFET

BD8964FVM 数据手册

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Single-chip Type with Built-in FET Switching Regulator Series  
Low Noise High Efficiency  
Step-down Switching Regulator  
with Built-in Power MOSFET  
BD8964FVM  
No.09027EAT23  
Description  
ROHM’s high efficiency step-down switching regulator BD8964FVM is a power supply designed to produce a low voltage  
including 1 volts from 5/3.3 volts power supply line. Offers high efficiency with 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)  
3) Incorporates soft-start function.  
4) Incorporates thermal protection and ULVO functions.  
5) Incorporates short-current protection circuit with time delay function.  
6) Incorporates shutdown function  
7) Employs small surface mount package : MSOP8  
Use  
Power supply for LSI including DSP, Micro computer and ASIC  
Line up  
Parameter  
Symbol  
VCC  
Limits  
-0.3+7 *1  
-0.3+7 *1  
-0.3+7  
-0.3+7  
387.5*2  
Unit  
V
VCC Voltage  
PVCC Voltage  
EN Voltage  
PVCC  
VEN  
V
V
SW,ITH Voltage  
VSW,VITH  
Pd1  
V
Power Dissipation 1  
mW  
mW  
Power Dissipation 2  
Pd2  
587.4*3  
Operating temperature range  
Storage temperature range  
Maximum junction temperature  
Topr  
-25+85  
-55+150  
+150  
Tstg  
Tjmax  
1  
2  
3  
Pd should not be exceeded.  
Derating in done 3.1mW/for temperatures above Ta=25.  
Derating in done 4.7mW/for temperatures above Ta=25, Mounted on 70mm×70mm×1.6mm Glass Epoxy PCB.  
Operating Conditions (Ta=25)  
Limits  
Unit  
Parameter  
Symbol  
Min.  
4.0  
4.0  
0
Typ.  
Max.  
5.5  
*4  
VCC Voltage  
VCC  
5.0  
V
V
V
V
A
*4  
PVCC Voltage  
PVCC  
5.0  
5.5  
EN Voltage  
VEN  
VOUT  
Isw *4  
-
-
-
VCC  
1.8  
Output voltage Setting Range  
SW average output current  
1.0  
-
1.2  
4  
Pd should not be exceeded.  
www.rohm.com  
2009.05 - Rev.A  
1/13  
© 2009 ROHM Co., Ltd. All rights reserved.  

BD8964FVM 替代型号

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