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BD9855MWV PDF预览

BD9855MWV

更新时间: 2024-11-13 08:51:55
品牌 Logo 应用领域
罗姆 - ROHM 稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
5页 255K
描述
Silicon Monolithic Integrated Circuit

BD9855MWV 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:QFN
包装说明:QCCN, LCC44,.24SQ,16针数:44
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODEJESD-30 代码:S-XQCC-N44
端子数量:44最高工作温度:85 °C
最低工作温度:-25 °C最大输出电流:1 A
封装主体材料:UNSPECIFIED封装代码:QCCN
封装等效代码:LCC44,.24SQ,16封装形状:SQUARE
封装形式:CHIP CARRIER峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified子类别:Switching Regulator or Controllers
表面贴装:YES最大切换频率:1500 kHz
温度等级:OTHER端子形式:NO LEAD
端子节距:0.4 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

BD9855MWV 数据手册

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1/4  
STURUCTURE  
Type  
Silicon Monolithic Integrated Circuit  
4 Channel Switching Regulator control system for DSC  
BD9855MWV  
PRODUCUT SERIES  
THYSICAL DIMENSIONS Package(Plastic Mold) Fig.1Block Diagram Fig.2Pin Description Fig.3  
FEATURES  
Include step-down 2ch,Cross converter 1ch,step down/inverting 1ch.  
Short Circuit Protection (SCP), Under Voltage Lockout Function (UVLO),  
Include external synchronous rectification operation  
Independent ON/OFF Function Each ChannelUQFN044V6060 Package0.4mm pitch)  
Absolute Maximum RatingsTa=25℃)  
Parameter  
Symbol  
Limits  
0.315  
0.37  
Units  
V
Power Supply Voltage  
VCC,PVCC  
BST1-LX1BST2-LX2  
V
LX31  
0.315  
0.38.4  
0.315  
0.37  
V
I n p u t  
V o l t a g e  
Vo3,LX32  
V
PG,SYNC, CTL1,2,3,4  
V
SEL  
Pd  
V
P o w e r D i s s i p a t i o n  
Operating Temperature  
St o r a g e Te m p e r a t u r e  
J u n c t i o n Tem p e r a t u r e  
540(*1),1000(*2)  
25+85  
55+150  
150  
mW  
Topr  
Tstg  
Tjmax  
(*1) Without external heat sink, the power dissipation degrades by 4.2mW/above 25.  
(*2)Power dissipation degrades by 8.0mW/above 25, when mounted on a PCB (70mm×70mm×1.6mm).  
Operating Conditions  
Spec.  
Unit  
V
Condition  
Parameter  
Symbol  
MIN  
4
TYP  
MAX  
14  
Input Voltage】  
Power Supply Voltage  
Reference Output】  
VREG,VREGA terminal capacitor  
VREF terminal capacitor  
Protect Circuit】  
VCC,PVCC  
6
CVR*  
0.47  
1.0  
0.1  
2.2  
2.2  
μF  
μF  
CVREF  
0.047  
SCP terminal capacitor  
Oscillator】  
CSCP  
0.001  
2.2  
μF  
Oscillator frequency  
OSC timming resistor  
RTSS terminal capacitor  
SYNC terminal input H  
SYNC terminal input L  
SYNC terminal input Duty  
Driver】  
Fosc  
RT  
0.6  
47  
1.0  
1.5  
120  
MHz  
kΩ  
pF  
V
82  
CRTSS  
VSYNCH  
VSYNCL  
Dsync  
1000  
3.0  
10000  
-
-
VCC  
0.5  
-0.3  
40  
V
50  
60  
%
BST-Lx voltage  
Vbst  
Cbst  
3.5  
0.047  
0.1  
5.5  
0.22  
14  
V
μF  
V
BST-Lx capacitor  
LX31terminal input voltage  
CH3 output range  
VLX31  
VVOUT3  
PVCC1,2,4  
Ioutch1,2,3  
4.0  
7.0  
14  
V
PVCC1,2,4 terminal input voltage  
CH1,2,3output current  
V
1
A
※)Please connect capacitor at input/output terminal (VCC,PVCC,VREF,VREG etc.) to operate IC stabilize.  
Status of this document  
The Japanese language version of this document shall be the official specification.  
Any translation of this document shall be for reference only.  
REV. C  

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