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参数资料
| 型号： | TC54VN4302ECT713 |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封装： | PLASTIC, EIAJ, SC-74A, SOT-23A, 5 PIN |
| 文件页数： | 1/16页 |
| 文件大小： | 218K |
| 代理商： | TC54VN4302ECT713 |
2004 Microchip Technology Inc.
DS21434G-page 1
TC54
Features
Precise Detection Thresholds: Standard ±2.0%,
Custom ±1.0%
Small Packages: 3-Pin SOT-23A, 3-Pin SOT-89,
TO-92 and 5-Pin SOT-23A (7.7V only)
Low Current Drain: Typ. 1 A
Wide Detection Range: 1.1V to 6.0V and 7.7V
Wide Operating Voltage Range: 0.7V to 10V
Applications
Battery Voltage Monitoring
Microprocessor Reset
System Brown-Out Protection
Switching Circuit in Battery Backup
Level Discriminator
Functional Block Diagram
General Description
The TC54 series are CMOS voltage detectors that are
especially well suited for battery-powered applications
because of their extremely low 1 A operating current
and small surface-mount packaging. Each part is laser-
trimmed to the desired threshold voltage, which can be
specified from 1.4V to 7.7V for a 2% tolerance and from
1.5V to 6.0V for a 1% tolerance.
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.
During 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.
Package Types
VOUT
TC54VC only
VSS
1
3
+
–
VIN
2
TC54VN has open-drain output.
TC54VC has complementary output.
VREF
1
3
2
VIN VSS
VOUT
TC54
3-Pin SOT-89
5
5-Pin SOT-23A
TC54
1
3
4
2
NC
Note:
3-Pin SOT-23A is equivalent to the
EIAJ SC-59
5-Pin SOT-23A is equivalent to the
EIAJ SC-74A. (7.7V ONLY)
3-Pin TO-92
12 3
VSS
VIN
VOUT
VIN
VOUT
VSS
3
12
TC54
3-Pin SOT-23A
VIN
VIN VSS
VOUT
VSS
Voltage Detector
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC54VN4302EMB | 制造商:TELCOM 制造商全称:TelCom Semiconductor, Inc 功能描述:VOLTAGE DETECTOR |
| TC54VN4302EMB713 | 功能描述:监控电路 4.2V 2% RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TC54VN4302EMBRTP | 制造商:TELCOM 制造商全称:TelCom Semiconductor, Inc 功能描述:VOLTAGE DETECTOR |
| TC54VN4302EMBSTP | 制造商:TELCOM 制造商全称:TelCom Semiconductor, Inc 功能描述:VOLTAGE DETECTOR |
| TC54VN4302EZB | 功能描述:监控电路 4.3V, 2% RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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