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參數資料
| 型號： | NCP803SN463T1G |
| 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： | LEAD FREE, TO-236, SOT-23, 3 PIN |
| 文件頁數： | 1/9頁 |
| 文件大小： | 94K |
| 代理商： | NCP803SN463T1G |
Semiconductor Components Industries, LLC, 2007
January, 2007 Rev. 1
1
Publication Order Number:
MAX803/D
MAX803 Series,
NCP803 Series
Very Low Supply Current
3Pin Microprocessor
Reset Monitor
The MAX803/NCP803 is a costeffective 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 sec of V
CC
falling
through the reset voltage threshold. Reset is maintained active for a
timeout period which is trimmed by the factory after V
CC
rises above
the reset threshold. The MAX803/NCP803 has an open drain
activelow RESET output. Both devices are available in SOT23 and
SC70 packages.
The MAX803/NCP803 is optimized to reject fast transient glitches
on the V
CC
line. Low supply current of 0.5 A (V
CC
= 3.2 V) make
these devices suitable for battery powered applications.
Features
Precision V
CC
Monitor for 1.5 V, 1.8 V, 2.5 V, 3.0 V, 3.3 V, and 5.0 V
Supplies
Precision Monitoring Voltages from 1.2 V to 4.9 V Available
in 100 mV Steps
Four Guaranteed Minimum PowerOn Reset Pulse Width Available
(1 ms, 20 ms, 100 ms, and 140 ms)
RESET Output Guaranteed to V
CC
= 1.0 V
Low Supply Current
V
CC
Transient Immunity
No External Components
Wide Operating Temperature: 40
°
C to 105
°
C
PbFree Packages are Available
Typical Applications
Computers
Embedded Systems
Battery Powered Equipment
Critical Microprocessor Power Supply Monitoring
V
CC
V
CC
V
CC
RESET
RESET
MAX803
NCP803
GND
GND
Figure 1. Typical Application Diagram
P
0
0
R
pullup
C = 100 nF
SOT23
(TO236)
CASE 318
PIN CONFIGURATION
3
1
2
V
CC
GND
RESET
SOT23/SC70
(Top View)
MARKING
DIAGRAM
3
xxx M
2
1
2
1
3
http://onsemi.com
xxx
M
= Specific Device Code
= Date Code
= PbFree Package
xx M
1
SC70
(SOT323)
CASE 419
See general marking information in the device marking
section on page 7 of this data sheet.
DEVICE MARKING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
ORDERING INFORMATION
(Note: Microdot may be in either location)
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