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ICL7673

更新时间： 2024-11-10 14:57:47
品牌 Logo 应用领域
瑞萨 - RENESAS 电池
页数 文件大小 规格书
8页 420K
描述
Automatic Battery Back-Up Switch

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中文翻译

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ICL7673 技术参数

生命周期：ActiveReach Compliance Code：compliant
风险等级：5.68模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
Base Number Matches：1

ICL7673 数据手册

 浏览型号ICL7673的Datasheet PDF文件第2页浏览型号ICL7673的Datasheet PDF文件第3页浏览型号ICL7673的Datasheet PDF文件第4页浏览型号ICL7673的Datasheet PDF文件第5页浏览型号ICL7673的Datasheet PDF文件第6页浏览型号ICL7673的Datasheet PDF文件第7页 
DATASHEET  
ICL7673  
Automatic Battery Back-Up Switch  
FN3183  
Rev 5.00  
December 3, 2015  
The Intersil ICL7673 is a monolithic CMOS battery backup  
circuit that offers unique performance advantages over  
conventional means of switching to a backup supply. The  
ICL7673 is intended as a low-cost solution for the switching  
of systems between two power supplies; main and battery  
backup. The main application is keep-alive-battery power  
switching for use in volatile CMOS RAM memory systems  
and real time clocks. In many applications this circuit will  
represent a low insertion voltage loss between the supplies  
and load. This circuit features low current consumption, wide  
operating voltage range, and exceptionally low leakage  
between inputs. Logic outputs are provided that can be used  
to indicate which supply is connected and can also be used  
to increase the power switching capability of the circuit by  
driving external PNP transistors.  
Features  
• Automatically Connects Output to the Greater of Either  
Input Supply Voltage  
• If Main Power to External Equipment is Lost, Circuit Will  
Automatically Connect Battery Backup  
• Reconnects Main Power When Restored  
• Logic Indicator Signaling Status of Main Power  
• Low Impedance Connection Switches  
• Low Internal Power Consumption  
• Wide Supply Range: . . . . . . . . . . . . . . . . . . . 2.5V to 15V  
• Low Leakage Between Inputs  
• External Transistors May Be Added if Very Large  
Currents Need to Be Switched  
Ordering Information  
• Pb-Free Plus Anneal Available (RoHS Compliant)  
PART  
NUMBER  
TEMP. RANGE  
(°C)  
PKG.  
DWG. #  
PACKAGE  
8 Ld PDIP  
Applications  
ICL7673CPA No  
longer available  
or supported.  
Recommended  
Replacement  
0 to 70  
E8.3  
• On Board Battery Backup for Real-Time Clocks,  
Timers, or Volatile RAMs  
• Over/Under Voltage Detector  
• Peak Voltage Detector  
• Other Uses:  
ICL7673CPAZ  
ICL7673CPAZ  
(See Note)  
0 to 70  
0 to 70  
8 Ld PDIP*  
(Pb-free)  
E8.3  
- Portable Instruments, Portable Telephones, Line  
Operated Equipment  
ICL7673CBA No  
longer available  
or supported.  
Recommended  
Replacement  
8 Ld SOIC (N)  
M8.15  
Pinout  
ICL7673 (SOIC, PDIP)  
ICL7673CBAZA-T  
TOP VIEW  
ICL7673CBAZA  
(See Note)  
0 to 70  
0 to 70  
8 Ld SOIC (N)  
(Pb-free)  
M8.15  
M8.15  
V
1
2
3
4
8
7
6
5
V
P
O
ICL7673CBAZA-T  
(See Note)  
8 Ld SOIC (N)  
(Pb-free)  
V
NC  
S
S
P
BAR  
BAR  
*Pb-free PDIPs can be used for through hole wave solder  
processing only. They are not intended for use in Reflow solder  
processing applications.  
GDN  
NC  
NOTE: Intersil Pb-free plus anneal products employ special Pb-free  
material sets; molding compounds/die attach materials and 100%  
matte tin plate termination finish, which are RoHS compliant and  
compatible with both SnPb and Pb-free soldering operations. Intersil  
Pb-free products are MSL classified at Pb-free peak reflow  
temperatures that meet or exceed the Pb-free requirements of  
IPC/JEDEC J STD-020.  
FN3183 Rev 5.00  
December 3, 2015  
Page 1 of 8  
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中文翻译

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