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| 型号： | TC51N2702ECBTR |
| 厂商： | Microchip Technology |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC VOLTAGE DETCTR 2.7V SOT23A-3 |
| 标准包装： | 3,000 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小 50 ms |
| 电压 - 阀值： | 2.7V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-236-3，SC-59，SOT-23-3 |
| 供应商设备封装： | SOT-23A-3 |
| 包装： | 带卷 (TR) |
M TC51
1 μ A Voltage Detector with Output Delay
Features
General Description
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Precise Detection Thresholds: ±2.0%
Small Package: 3-Pin SOT-23A
Low Supply Current: Typ. 1 μ A
Wide Detection Range: 1.6V to 6.0V
Wide Operating Voltage Range: 0.7V to 10V
Built-in Delay Circuit: 50msec to 200 msec
Open-Drain Output
The TC51 is a very low power, open drain output,
CMOS voltage detector with built-in delay. It is
particularly well-suited for battery powered applications
because of its extremely low 1 μ A operating current and
small surface-mount packaging. Each part is laser-
trimmed to the desired threshold voltage, which can be
specified from 1.6V to 6.0V. The standard built-in
output delay is 50msec-200msec.
Applications
? Battery Voltage Monitoring
? Microprocessor Reset
? System Brown-out Protection
Device Selection Table
The device includes a comparator, low-current high-
precision reference, laser-programmed voltage divider,
hysteresis circuit and output driver with digital delay
timer.
In operation, the TC51’s output (V OUT ) remains in the
logic HIGH state as long as V IN is greater than the
specified threshold voltage (V DET -). When V IN falls
below V DET -, the output is immediately driven to a logic
Part Number
Package
Temp. Range
LOW. V OUT remains LOW until V IN rises above V DET -
TC51-xxxxxxxxxx
3-Pin SOT-23A -40°C to +85°C
by an amount V HYST , whereupon it returns to a logic
HIGH after expiration of the built-in delay time.
Other output voltages are available. Please contact Microchip
Technology Inc. for details.
Package Type
3-Pin SOT-23A
V IN
Functional Block Diagram
V IN
Delay
V OUT
Circuit
3
V REF
1
V OUT
TC51
2
V SS
V SS
NOTE: 3-Pin SOT-23A is equivalent to the EIAJ SC-59.
? 2002 Microchip Technology Inc.
DS21429B-page 1
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