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BD9137MUV PDF预览

BD9137MUV

更新时间: 2024-01-01 06:29:16
品牌 Logo 应用领域
罗姆 - ROHM 稳压器开关
页数 文件大小 规格书
17页 577K
描述
High Efficiency Step-down Switching Regulator

BD9137MUV 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:QFN
包装说明:HVQCCN,针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.26
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:5.5 V
最小输入电压:2.7 V标称输入电压:3.3 V
JESD-30 代码:S-XQCC-N20JESD-609代码:e2
长度:4 mm功能数量:1
端子数量:20最高工作温度:105 °C
最低工作温度:-40 °C最大输出电流:4 A
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装形状:SQUARE封装形式:CHIP CARRIER
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1 mm表面贴装:YES
切换器配置:BUCK最大切换频率:1200 kHz
温度等级:INDUSTRIAL端子面层:Tin/Copper (Sn/Cu)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4 mmBase Number Matches:1

BD9137MUV 数据手册

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TECHNICAL NOTE  
Single-chip built-in FET type Switching Regulator Series  
High Efficiency  
Step-down Switching Regulator  
BD9137MUV  
Description  
ROHM’s high efficiency step-down switching regulator BD9137MUV is a power supply designed to produce a low voltage  
including 0.8 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/Nch FET) and SLLM (Simple Light Load Mode)  
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 Icc=0μA(Typ.)  
7) Employs small surface mount package : VQFN020V4040  
Use  
Power supply for LSI including DSP, Micro computer and ASIC  
Absolute Maximum Rating (Ta=25)  
Symbol  
Limits  
BD9137MUV  
-0.3+7 *1  
-0.3+7 *1  
-0.3+13  
-0.3+7  
Unit  
Parameter  
VCC  
PVCC  
VBST  
VBST-SW  
VEN  
V
V
VCC Voltage  
PVCC Voltage  
V
BST Voltage  
V
BST_SW Voltage  
-0.3+7  
V
EN Voltage  
-0.3+7  
VSW, VITH  
Pd1  
V
SW,ITH Voltage  
0.34 *2  
0.70 *3  
W
W
W
W
Power Dissipation 1  
Power Dissipation 2  
Power Dissipation 3  
Power Dissipation 4  
Operating temperature range  
Storage temperature range  
Maximum junction temperature  
Pd2  
Pd3  
2.21 *4  
3.56 *5  
Pd4  
-40+105  
-55+150  
+150  
Topr  
Tstg  
Tj  
1  
Pd should not be exceeded.  
IC only  
2  
3  
4  
5  
1-layer. mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, occupied area by copper foil : 10.29mm2  
4 layers, mounted on a board 74.2mm×74.2mm×1.6mm Glass-epoxy PCB (1st ,4th Copper foil area : 10.29mm2 2nd ,3rd Copper foil area : 5505mm2)  
4-layer. mounted on a 74.2mm×74.2mm×1.6mm glass-epoxy board, occupied area by copper foil : 5505mm2, in each layers  
Operating Conditions (Ta=-40+105)  
BD9137MUV  
Unit  
Parameter  
Symbol  
Min.  
2.7  
2.7  
0
0.8  
-
Typ.  
3.3  
3.3  
-
-
-
Max.  
5.5  
5.5  
VCC  
PVCC  
VEN  
VOUT  
ISW  
V
V
V
V
A
Power Supply Voltage  
EN Voltage  
5.5  
3.3*6  
4.0*7  
Output voltage Setting Range  
SW average output current  
6 In case set output voltage 1.6V or more, VccMin = Vout+1.2V.  
7 Pd should not be exceeded.  
Dec. 2008  

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