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PST574EM

Description
Power Supply Support Circuit, Fixed, 1 Channel, PDSO3, MMP-3
CategoryPower/power management    The power supply circuit   
File Size113KB,5 Pages
ManufacturerMitsumi Electric Co., Ltd.
Download Datasheet Parametric View All

PST574EM Overview

Power Supply Support Circuit, Fixed, 1 Channel, PDSO3, MMP-3

PST574EM Parametric

Parameter NameAttribute value
MakerMitsumi Electric Co., Ltd.
Parts packaging codeSOIC
package instructionSOP,
Contacts3
Reach Compliance Codeunknown
ECCN codeEAR99
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G3
length4.5 mm
Number of channels1
Number of functions1
Number of terminals3
Maximum operating temperature75 °C
Minimum operating temperature-20 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Certification statusNot Qualified
Maximum seat height1.85 mm
surface mountYES
Temperature levelCOMMERCIAL EXTENDED
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
width3.1 mm
MITSUMI
System Reset PST574
System Reset
Monolithic IC PST574
Outline
This IC functions in a variety of CPU systems and other logic systems, to detect power supply voltage and
reset the system accurately when power is turned on or interrupted. This ultra-low current consumption low
reset type system reset IC has a built-in fixed delay time generating circuit. It is ideal for use in multi-CPU
systems because a fast-rising output waveform can be obtained.
Features
1.
2.
3.
4.
5.
Ultra-low current consumption
Low operating limit voltage
Output current high for ON
Hysteresis voltage provided in detection voltage
Built-in delay circuit with excellent delay time
temperature characteristics
6. 10 ranks of detection voltage
I
CCH
=7.5µA typ. I
CCL
=400µA typ.
0.65V typ.
30mA typ.
50mV typ.
50mV typ.
PST574
C : 4.5V typ.
D : 4.2V typ.
E : 3.9V typ.
F : 3.6V typ.
G : 3.3V typ.
H : 3.1V typ.
I : 2.9V typ.
J : 2.7V typ.
K : 2.5V typ.
L : 2.3V typ.
Package
MMP-3A (PST574 M)
TO-92A (PST574 )
contains detection voltage rank .
*
Applications
1.
2.
3.
4.
5.
Reset circuits in microcomputers, CPUs and MPUs (especially multi-CPU sets)
Logic circuit reset circuits.
Battery voltage check circuits.
Back-up power supply switching circuits.
Level detection circuits.
Pin Assignment
1
2
3
V
CC
GND
V
OUT
1
3
1
2
V
CC
GND
V
OUT
2
3
1
2
3
MMP-3A
TO-92A
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