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NCP301 Datasheet

  • NCP301

  • Voltage Detector Series

  • 22頁

  • ONSEMI

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NCP300, NCP301
Voltage Detector Series
The NCP300 and NCP301 series are second generation ultra鈭抣ow
current voltage detectors. These devices are specifically designed for
use as reset controllers in portable microprocessor based systems
where extended battery life is paramount.
Each series features a highly accurate undervoltage detector with
hysteresis which prevents erratic system reset operation as the
comparator threshold is crossed.
The NCP300 series consists of complementary output devices that
are available with either an active high or active low reset output. The
NCP301 series has an open drain N鈭扖hannel output with either an
active high or active low reset output.
The NCP300 and NCP301 device series are available in the
Thin TSOP鈭? package with standard undervoltage thresholds.
Additional thresholds that range from 0.9 V to 4.9 V in 100 mV steps
can be manufactured.
Features
http://onsemi.com
5
1
THIN SOT23鈭?/TSOP鈭?/SC59鈭?
SN SUFFIX
CASE 483
PIN CONNECTIONS AND
MARKING DIAGRAM
Reset
Output
Input
GND
1
xxxYW
2
3
(Top View)
xxx = Specific Device Code
Y
= Year
W = Work Week
5
N.C.
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Quiescent Current of 0.5
mA
Typical
High Accuracy Undervoltage Threshold of 2.0%
Wide Operating Voltage Range of 0.8 V to 10 V
Complementary or Open Drain Reset Output
Active Low or Active High Reset Output
Pb鈭扚ree Packages are Available
4
N.C.
Typical Applications
Microprocessor Reset Controller
Low Battery Detection
Power Fail Indicator
Battery Backup Detection
ORDERING INFORMATION
See detailed ordering and shipping information in the ordering
information section on page 20 of this data sheet.
NCP300xSNxxT1
Complementary Output Configuration
2
Input
Input
NCP301xSNxxT1
Open Drain Output Configuration
2
1
Reset Output
*
V
ref
1
Reset Output
V
ref
GND
*
3
GND
3
* The representative block diagrams depict active low reset output 鈥楲鈥?suffix devices. The comparator
inputs are interchanged for the active high output 鈥楬鈥?suffix devices.
This device contains 25 active transistors.
Figure 1. Representative Block Diagrams
漏
Semiconductor Components Industries, LLC, 2004
1
October, 2004 鈭?Rev. 14
Publication Order Number:
NCP300/D

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