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PST8440NR

Description
Power Management Circuit,
CategoryPower/power management    The power supply circuit   
File Size135KB,20 Pages
ManufacturerMitsumi Electric Co., Ltd.
Download Datasheet Parametric View All

PST8440NR Overview

Power Management Circuit,

PST8440NR Parametric

Parameter NameAttribute value
MakerMitsumi Electric Co., Ltd.
package instruction,
Reach Compliance Codeunknown
MITSUMI
CMOS System Reset IC with Delay Time Circuit PST83XX, 84XX Series
CMOS System Reset IC with Delay Time Circuit
Monolithic IC PST83XX, 84XX Series
Outline
May 21, 2009
In various CPU systems or other logic systems, when the time of a power supply injection and a power supply are
severed for a moment, this IC detects supply voltage and applies reset to a system.
To ±1.5% of detection voltage accuracy of the conventional product, a maximum of ±0.5% of super-high precision
is realized, and it is more suitable for battery detection etc. The accuracy from elegance is conventionally raised from
+100/-50% to ±10% also about delay resistance.
Moreover, the component-side product is realizing the small space using SSON-4.
Features
1. High accuracy
2.
3.
4.
5.
6.
Super low supply current
Component-side product
Operating-temperature range
Delay resistance accuracy
Detecting voltage rank
±0.5% typ. / 2.0~6.0V
±0.8% typ. / 0.8~1.9V
0.35µA typ.
1.10×1.40mm (SSON-4)
-40~+105°C
10MΩ±10%
0.8~6.0V (0.1V step)
Packages
SSON-4
SOT-25A
SC-82AB
Applications
1.
2.
3.
4.
5.
Reset circuits for CPUs and MPUs
Reset circuits for logic circuits
Battery voltage check circuits
Back-up power supply switching circuits
Level detection circuits
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