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BD9756AMWV PDF预览

BD9756AMWV

更新时间: 2024-09-25 06:41:59
品牌 Logo 应用领域
罗姆 - ROHM /
页数 文件大小 规格书
5页 278K
描述
Silicon Monolithic Integrated Circuit

BD9756AMWV 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, LCC44,.24SQ,16针数:44
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.77
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:5.5 V
最小输入电压:1.5 V标称输入电压:3 V
JESD-30 代码:S-XQCC-N44长度:6 mm
功能数量:1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:1.5 A标称输出电压:2.5 V
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装等效代码:LCC44,.24SQ,16封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BUCK-BOOST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 SPECIFIED宽度:6 mm
Base Number Matches:1

BD9756AMWV 数据手册

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STRUCTURE  
PRODUCT SERIES  
Silicon Monolithic Integrated Circuit  
7-Channel Switching Regulator Controller for Digital Camera  
TYPE  
BD9756AMWV  
PIN ASSIGNMENT  
BLOCK DIAGRAM  
PACKAGE  
Fig.1  
Fig.1  
Fig.2  
Functions  
●1.5V minimum input operating  
●Supplies power for the internal circuit by using charge-pump circuit which outputs a voltage twice bigger than VBATvoltage.  
or a equal voltage as VBAT + VIN.  
●Contains step-up converter(1ch), step-down converter(2ch), cross converter(1ch), configurable for step-up/step-down converter(1ch),  
with PWM brightness controller for step-up converter(1ch).  
●Contains 4FETs for the cross converter channe.l  
●3channels contain transistor for synchronous rectifying action mode.  
●2channels contain FETs for the step-up converter.  
●All channels contain internal compensation between inputs outputs of error amps.  
●Contains sequence control circuit for ch1,2 and 4.  
●Operating frequency 1.2MHz(CH1~4), 600kHz(CH5~7).  
●Contains output interception circuit when over load.  
●2 channels have high side switches with soft start function, one channel has PMOS back gate control circuit.  
●Thermally enhanced UQFN044V6060 package.(6mm x 6mm, 0.4mm pitch)  
○Absolute maximum ratings (Ta=25℃)  
Parameter  
Symbol  
VBAT  
Limits  
Units  
V
Power Supply Boltage  
-0.3~7  
VHx1~4  
HS67H  
VLx6~7  
VIN  
-0.3~7  
-0.3~7  
-0.3~20  
-0.3~7  
±1.2  
V
V
V
V
A
Power Input Voltage  
Output Current  
IomaxLx1  
IomaxHx2  
±1.5  
±1.2  
±1.2  
±0.8  
A
A
A
A
IomaxHx3~4  
IomaxHS6~7  
IomaxLx6~7  
Power Dissipation  
Pd  
0.54 *1  
W
Operating Temperature  
Topr  
-25~+85  
Storage Temperature  
Junction Tempareture  
Tstg  
-55~+150  
+150  
Tjmax  
(*1) Without external heat sink, the power dissipation reduces by 4.32mW/℃ over 25℃。  
○Recommended operating conditions  
Spec  
TYP  
Parameter  
Symbol  
VBAT  
Unit  
V
MIN  
1.5  
MAX  
5.5  
Power Supply Voltage  
-
VREF Pin Connecting Capacitor  
VREGA Pin Connecting Capacitor  
SCP Pin Connecting Capacitor  
C+H to C+L connecting Capacitor  
【Oscillator】  
CVREF  
CVREGA  
CSCP  
CF  
0.47  
0.47  
-
1.0  
1.0  
-
4.7  
4.7  
0.47  
-
μF  
μF  
μF  
μF  
1.0  
-
Oscillator Frequency  
fosc  
RT  
0.6  
47  
1.2  
62  
1.5  
MHz  
kΩ  
OSC Timing Resistor  
120  
Status of this document  
The Japanese version of this document is the official specification. Please use the translation version of this document as a reference to expedite understanding of the official version.  
If these are any uncertainty in translation version of this document, official version takes priority.  
REV. B  

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