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SP6640CN PDF预览

SP6640CN

更新时间: 2024-09-17 19:35:07
品牌 Logo 应用领域
西伯斯 - SIPEX 开关光电二极管
页数 文件大小 规格书
14页 89K
描述
Switching Regulator, 1A, PDSO8, SOIC-8

SP6640CN 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SOIC-8Reach Compliance Code:unknown
风险等级:5.82模拟集成电路 - 其他类型:SWITCHING REGULATOR
最大输入电压:11.5 V最小输入电压:3.2 V
标称输入电压:5 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e0长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度:最大输出电流:1 A
标称输出电压:3.3 V封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):240认证状态:Not Qualified
座面最大高度:1.748 mm子类别:Other Analog ICs
表面贴装:YES切换器配置:BUCK
温度等级:COMMERCIAL端子面层:TIN LEAD
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3.895 mmBase Number Matches:1

SP6640CN 数据手册

 浏览型号SP6640CN的Datasheet PDF文件第2页浏览型号SP6640CN的Datasheet PDF文件第3页浏览型号SP6640CN的Datasheet PDF文件第4页浏览型号SP6640CN的Datasheet PDF文件第5页浏览型号SP6640CN的Datasheet PDF文件第6页浏览型号SP6640CN的Datasheet PDF文件第7页 
®
SP6639/40/53  
5V/ 3.3V/ 3V Adjustable, High Efficiency, Low IQ,  
Step-Down DC-DC Converter  
FEATURES  
High, 94% Efficiency  
100mA Output Current  
10µA Quiescent Current  
Low Current Shutdown Mode  
Low Battery Detector  
Preset 5.0V, 3.3V, 3.0V or Adjustable  
Output Voltage  
Low EMI Inductor Damping  
3.2V-11.5V Wide Input Range  
Only 4 External Components  
V
OUT  
1
2
3
4
8
7
6
5
SHDN  
VFB  
V+  
LBO  
LBI  
SP6639  
SP6640  
SP6653  
LX  
GND  
APPLICATIONS  
Cellular Phones  
Laptop Computers  
Distributed Power Systems  
5V to 3.3V Conversion  
DESCRIPTION  
The SP6639/40/53 step-down switching regulators provide high efficiency over a wide range  
of input voltage, output voltage and output current. Duty cycle modulation is used to achieve  
efficiencies over 90% for input voltages from 3.2V to 11.5V. It features a no load quiescent  
current of only 10µA. The circuit contains an internal power MOSFET reducing the external  
component count to only one inductor, a schottky diode and the usual input and output  
capacitors. Theinternaloscillatorisshutdownwhenthecircuitisinregulationtoreducepower  
consumption. Internal inductor damping significantly reduces EMI. This product is offered in  
an 8 lead nSOIC package.  
INPUT  
+4.0V to +11.5V  
L = 100µF  
OUTPUT  
5
LX  
6
8
+
V+  
1N5817  
C
OUT  
100µF  
SHDN  
1
7
R3  
+
VOUT  
C
IN  
100µF  
SP6639  
SP6640  
SP6653  
VFB  
GND  
4
LBI  
R4  
3
Adjustable Output Operation  
Rev. 8/1/01  
SP6639/40/53 5V, 3.3V, 3V Adj, High Efficiency, Low IQ Step-Down DC-DC Converter  
© Copyright 2001Sipex Corporation  
1

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