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PST7020

ETC
Part Number PST7020
Manufacturer ETC
Description System Reset Monolithic IC PST70XX Series
Published May 17, 2005
Detailed Description MITSUMI System Reset PST70XX System Reset Monolithic IC PST70XX Series Outline These low reset type ICs function in a...
Datasheet PDF File PST7020 PDF File

PST7020
PST7020

Overview
MITSUMI System Reset PST70XX System Reset Monolithic IC PST70XX Series Outline These low reset type ICs function 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.
They are ideal for use in battery check circuits for products using batteries, as they have ultra-low current consumption and a high precision voltage detection function.
Features 1.
2.
3.
4.
5.
6.
High precision voltage detection Vs±2% max.
Ultra-low current consumption ICCH=2µA typ.
ICCL=3µA typ.
Low operating limit voltage 0.
65V typ.
Hysteresis voltage provided in detection voltage 50mV typ.
Output current high for ON 30mA typ.
Detection voltage can be selected as desired within a range of 1.
9V~4.
6V in 0.
1V steps, as indicated below.
PST70XX Detection voltage value (Example: for 4.
6V .
.
PST7046) Package MMP-3A (PST70 TO-92A (PST70 M) ) Applications 1.
2.
3.
4.
5.
Reset circuits in microcomputers, CPUs and MPUs.
Logic circuit reset circuits.
Battery voltage check circuits.
Back-up power supply switching circuits.
Level detection circuits.
Pin Assignment 1 2 3 VCC GND VOUT 1 3 1 2 VCC GND VOUT 2 3 1 2 3 TO-92A MMP-3A (TOP VIEW) MITSUMI System Reset PST70XX Equivalent Circuit Diagram Absolute Maximum Ratings Item Storage temperature Operating temperature Power supply voltage Allowable loss (Ta=25°C) Symbol TSTG TOPR VCC max.
Pd Rating -40~+125 -20~+75 -0.
3~+10 200 (MMP-3A) 300 (TO-92A) Units °C °C V mW Electrical Characteristics Item (Ta=25°C) (Except where noted otherwise, resistance unit is Ω) Symbol Measurement conditions Measurement circuit Min.
Typ.
Max.
Units 4.
6~ VS typ.
1.
9 VS typ.
-2% (0.
1V +2% Step) 30 50 ±0.
01 0.
2 0.
4 0.
1 3.
0 2.
0 5 10 30 70 0.
65 8 5 30 6.
0 4.
0 30 30 70 150 0.
85 100 Detection voltage VS RL=470 VCC=H L 1 V Hysteresis voltage Detection voltage temperature coefficient Low-level output voltage Output leakage current Circuit current while on...


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