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PDF AP0809ES3-S Data sheet ( Hoja de datos )
| Número de pieza | AP0809ES3-S | |
| Descripción | 3-Pin Microprocessor Reset Circuits | |
| Fabricantes | Chipown | |
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AP0809
Chipown
Description
The AP0809 microprocessor supervisory circuit can be
used to monitor the power supplies in microprocessor
and digital systems. It provides a reset to the
microprocessor during power-up, power-down, and
brown-out conditions.
The function of the AP0809 is to monitor the VCC supply
voltage, and assert a reset signal whenever this voltage
declines below the factory-programmed reset threshold.
The reset signal remains asserted for 250ms after VCC
rises above the threshold. The AP0809 has an active-low
RESET output.
With a low supply current of only 2μA (Typ.), the
AP0809 are ideal for use in portable equipment. The
AP0809 is available in the 3-pin SOT23 package.
Applications
Microprocessor Systems
Computers
Controllers
Intelligent Instruments
Portable/Battery-Powered Equipment
Automotive
3-Pin Microprocessor Reset Circuits
Features
Precise monitoring of 2.7V, 3.0V, 3.3V and 5.0V
supplies
140 ms min. Power-On Reset pulse width, 250ms
typical, has an active-low RESET Output
Guaranteed RESET Output valid for VCC≥1.1 V
Low Supply Current, 2μA Typ.
Available in small SOT23 package
No external components needed
Specified over full temperature range
-40°Cto+105°C
Package
Typical Application
Function Diagram
Figure 2 Typical Application
Figure 3 Function Digram
8/F, ChuangYuan Building No.21-1 Changjiang Road, Wuxi New Destrict Tel: +86(510)8521-7718 Ver 1.3 http://www.chipown.com.cn
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Hoja de datos destacado
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