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NCV803SQ308D2T1G

更新时间： 2024-01-29 16:03:02
品牌 Logo 应用领域
安森美 - ONSEMI 微处理器监控
页数 文件大小 规格书
10页 135K
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Very Low Supply Current 3-Pin Microprocessor Reset Monitor

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NCV803SQ308D2T1G 数据手册

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MAX803 Series,  
NCP803 Series  
Very Low Supply Current  
3-Pin Microprocessor  
Reset Monitor  
http://onsemi.com  
MARKING  
The MAX803/NCP803 is a cost−effective system supervisor circuit  
designed to monitor VCC 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 msec of VCC falling  
through the reset voltage threshold. Reset is maintained active for a  
timeout period which is trimmed by the factory after VCC rises above  
the reset threshold. The MAX803/NCP803 has an open drain  
active−low RESET output. Both devices are available in SOT−23 and  
SC−70 packages.  
DIAGRAM  
3
3
SOT−23  
(TO−236)  
CASE 318  
xxx MG  
G
1
1
2
2
SC−70  
(SOT−323)  
CASE 419  
The MAX803/NCP803 is optimized to reject fast transient glitches  
on the VCC line. Low supply current of 0.5 mA (VCC = 3.2 V) make  
these devices suitable for battery powered applications.  
xx MG  
G
1
Features  
xxx  
M
G
= Specific Device Code  
= Date Code  
= Pb−Free Package  
• Precision V Monitor for 1.5 V, 2.5 V, 3.0 V, 3.3 V, and 5.0 V  
CC  
Supplies  
• Precision Monitoring Voltages from 1.2 V to 4.9 V Available  
in 100 mV Steps  
(Note: Microdot may be in either location)  
• Four Guaranteed Minimum Power−On Reset Pulse Width Available  
(1 ms, 20 ms, 100 ms, and 140 ms)  
• RESET Output Guaranteed to VCC = 1.0 V  
• Low Supply Current  
PIN CONFIGURATION  
GND  
1
• VCC Transient Immunity  
V
CC  
3
• No External Components  
• Wide Operating Temperature: −40°C to 105°C  
2
RESET  
• These Devices are Pb−Free and are RoHS Compliant  
Typical Applications  
SOT−23/SC−70  
(Top View)  
• Computers  
• Embedded Systems  
• Battery Powered Equipment  
• Critical Microprocessor Power Supply Monitoring  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 8 of this data sheet.  
V
CC  
DEVICE MARKING INFORMATION  
See general marking information in the device marking  
section on page 8 of this data sheet.  
V
V
CC  
CC  
R
pull−up  
MAX803  
NCP803  
mP  
RESET  
C = 100 nF  
RESET  
GND  
GND  
0
0
Figure 1. Typical Application Diagram  
©
Semiconductor Components Industries, LLC, 2013  
1
Publication Order Number:  
June, 2013 − Rev. 7  
MAX803/D  
1234567...10

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