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TC54VC1502ECB PDF预览

TC54VC1502ECB

更新时间： 2024-11-16 10:14:03
品牌 Logo 应用领域
美国微芯 - MICROCHIP 光电二极管
页数 文件大小 规格书
12页 482K
描述
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3, EIAJ, SC-59, SOT-23A, 3 PIN

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TC54VC1502ECB 数据手册

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TC54  
M
Voltage Detector  
Features  
General Description  
• Precise Detection Thresholds: Standard ±2.0%,  
Custom ±1.0%  
The TC54 Series are CMOS voltage detectors, suited  
especially for battery-powered applications because of  
their extremely low 1µA operating current and small  
surface-mount packaging. Each part is laser trimmed to  
the desired threshold voltage which can be specified  
from 1.1V to 6.0V and 7.7V, for a 2% and 1.5V to 6.0V  
for a 1% tolerance.  
• Small Packages: 3-Pin SOT-23A, 3-Pin SOT-89,  
5-Pin SOT-23A (7.7V only)  
• Low Current Drain: Typ. 1µA  
• Wide Detection Range: 1.1V to 6.0V and 7.7V  
• Wide Operating Voltage Range: 0.7V to 10V  
The device includes a comparator, low-current high-  
precision reference, laser-trimmed divider, hysteresis  
circuit and output driver. The TC54 is available with  
either an open-drain or complementary output stage.  
Applications  
• Battery Voltage Monitoring  
• Microprocessor Reset  
In operation, the TC54's output (VOUT) remains in the  
logic HIGH state as long as VIN is greater than the  
specified threshold voltage (VDET-). When VIN falls  
below VDET - the output is driven to a logic LOW. VOUT  
remains LOW until VIN rises above VDET - by an  
amount VHYST, whereupon it resets to a logic HIGH.  
• System Brown-out Protection  
• Switching Circuit in Battery Backup  
• Level Discriminator  
Device Selection Table  
Functional Block Diagram  
Part Number  
Package  
Temp. Range  
TC54-xxxxxxxxxxx 3-Pin SOT-23A -40°C to +85°C  
TC54-xxxxxxxxxxx 3-Pin SOT-89 -40°C to +85°C  
TC54-xxxxxxxxxxx 5-Pin SOT-23A -40°C to +85°C  
2
TC54VC only  
V
IN  
Other output voltages are available. Please contact Microchip  
Technology Inc. for details.  
V
OUT  
1
–
+
Package Type  
3-Pin SOT-23A  
3-Pin SOT-89  
V
V
IN  
REF  
V
SS  
3
2
TC54VN has open-drain output.  
TC54VC has complementary output.  
TC54  
3
1
1
2
3
V
V
SS  
OUT  
V
V
IN  
V
OUT  
SS  
5-Pin SOT-23A  
NC  
NC  
4
5
TC54  
2
1
3
V
V
V
SS  
OUT  
IN  
NOTE: 3-Pin SOT-23A is equivalent to the EIAJ SC-59.  
5-Pin SOT-23A is equivalent to the EIAJ SC-74A.  
2002 Microchip Technology Inc.  
DS21434B-page 1  
1234567...12

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