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參數(shù)資料
| 型號(hào)： | FM803TS3X |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 3-Pin レC Supervisor Device |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | SOT-23, 3 PIN |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 345K |
| 代理商： | FM803TS3X |
1
www.fairchildsemi.com
F
μ
C
FM803 Rev. C.3
FM803
3-Pin
μ
C Supervisor Device
General Description
The FM803 is a supervisory device designed to monitor power
supply or other system voltage. FM803 generates a reset pulse
whenever the voltage being monitored is out of tolerance. Once
asserted, the reset pulse is guaranteed to be valid for a minimum
of 140ms (256ms typical ). The reset output of FM803 is of active
low Open-Drain type and has an internal pull-up resistor.
Several threshold voltages are offered to accommodate 5.0V,
3.3V, 3.0V and 2.7V system voltages.
These devices are offered in space saving 3-pin SOT23 and SC70
packages.
Typical Operating Circuit
V
CC
October 2002
Features
I
Automatic reset generation on power-up
I
Minimum 140 ms reset pulse
I
Internal 5k
pull-up resistor
I
Other reset pulse choices available: 32 - 256 ms
I
Operating temperature
-40
°
C to + 105
°
C (SOT-23)
-40
°
C to +85
°
C (SC70)
I
Choice of Reset Thresholds: 4.63V, 4.38V, 4.00V, 3.08V,
2.93V, 2.63V
I
SOT23-3 and SC70-3 Packages
2000 Fairchild Semiconductor International
Connection Diagram
GND
V
CC
/RESET
1
FM803
2
3
SC70-3 & SOT23-3 Packages
1
FM803
Controller
2
3
GND
/RESET
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| FM803JP3X | 3-Pin レC Supervisor Device |
| FM803JS3X | 3-Pin レC Supervisor Device |
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