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參數(shù)資料
| 型號(hào)： | NCP803SN308T1 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 電源管理 |
| 英文描述： | Very Low Supply Current 3-Pin Microprocessor Reset Monitor |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | TO-236, SOT-23, 3 PIN |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 55K |
| 代理商： | NCP803SN308T1 |
Semiconductor Components Industries, LLC, 2003
May, 2003 - Rev. 4
1
Publication Order Number:
NCP803/D
NCP803
Very Low Supply Current
3Pin Microprocessor
Reset Monitor
The NCP803 is a cost-effective system supervisor circuit designed
to monitor V
CC
in digital systems and provide a reset signal to the host
processor when necessary. No external components are required.
The reset output is driven active within 10
μ
sec of V
CC
falling
through the reset voltage threshold. Reset is maintained active for a
minimum of 140 msec after V
CC
rises above the reset threshold. The
NCP803 has an open drain active-low RESET output. The output of
the NCP803 is guaranteed valid down to V
CC
= 1.0 V and is available
in a SOT-23 package.
The NCP803 is optimized to reject fast transient glitches on the V
CC
line. Low supply current of 1.0
μ
A (V
CC
= 3.2 V) make this device
suitable for battery powered applications.
Features
Precision V
CC
Monitor for 2.5 V, 3.0 V, 3.3 V, and 5.0 V Supplies
Precision Monitoring Voltages from 1.6 V to 4.9 V Available
in 100 mV Steps
140 msec Guaranteed Minimum RESET Output Duration
RESET Output Guaranteed to V
CC
= 1.0 V
Low 1.0
μ
A Supply Current
V
CC
Transient Immunity
Small SOT-23 Package
No External Components
Wide Operating Temperature: -40
°
C to 105
°
C
Typical Applications
Computers
Embedded Systems
Battery Powered Equipment
Critical
μ
P Power Supply Monitoring
V
CC
V
CC
V
CC
RESET
RESET
NCP803
GND
GND
Figure 1. Typical Application Diagram
μ
P
0
0
R
pull- up
C = 100 nF
SOT-23
(TO-236)
CASE 318
Device
Package
Shipping
ORDERING INFORMATION
NCP803SNxxxT1
SOT-23
3000/Tape & Reel
PIN CONFIGURATION
3
1
2
V
CC
GND
RESET
SOT-23*
(Top View)
NOTE: *SOT-23 is equivalent to JEDEC (TO-236)
See general marking information in the device marking
section on page 6 of this data sheet.
DEVICE MARKING INFORMATION
xxx = Specific Device Code
M = Monthly Date Code
MARKING
DIAGRAM
3
2
1
xxxM
2
1
3
NOTE: The “xxx” denotes a suffix for V
cc
voltage threshold
options - see page 6 for more details.
http://onsemi.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCP803SN308T1G | 功能描述:監(jiān)控電路 3.08V 20mA 3-Pin w/uP Reset N-Channel RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| NCP803SN308T1G | 制造商:ON Semiconductor 功能描述:Voltage Detector / Microprocessor Superv |
| NCP803SN308T1G-CUT TAPE | 制造商:ON 功能描述:NCP803 Series 3.08 V 140 ms Very Low Supply Current 3-Pin Microprocessor-SOT23 |
| NCP803SN400T1G | 功能描述:監(jiān)控電路 4.00V RESET MONITOR RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| NCP803SN438T1 | 功能描述:監(jiān)控電路 4.38V 20mA 3-Pin RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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