PST595
PST595 is System Reset Monolithic IC PST591~595 Series manufactured by MITSUMI ELECTRIC.
- Part of the PST comparator family.
- Part of the PST comparator family.
Features
1. Fixed delay time setting by counter timer Excellent delay time temperature characteristics 2. Low operating limit voltage 3. Hysteresis voltage provided in detection voltage 4. Current consumption for no-load 5. 5 delay time products available ±800ppm/°C 0.65V typ. 50m V typ. ICCL=300µA typ. ICCH=200µA typ. PST591 50m S PST592 100m S PST593 200m S C : 4.5V typ. D : 4.2V typ. E : 3.9V typ. F : 3.6V typ. G : 3.3V typ. PST594 400m S PST595 800m S H : 3.1V typ. I : 2.9V typ. J : 2.7V typ. K : 2.5V typ.
6. Each product has 9 detection voltage ranks.
Package
MMP-4A (PST59 M) TO-92A (PST59 ) contains detection voltage rank. (MMP-4A has a manual reset pin, which should be set at GND or NC during normal operation.)
- Applications
1. Reset circuits in microputers, CPUs and MPUs 2. Logic circuit reset circuits. 3. Battery voltage check circuits. 4. Back-up power supply switching circuits. 5. Level detection circuits. 6. Mechanical reset circuits
MITSUMI
System Reset PST591~595
Pin Assignment
1 1 2 3 VCC GND VOUT 1 2 3 4 1 2 3 MMP-4A 4 3 2
VOUT Manual Reset VCC GND
TO-92A
Equivalent Circuit Diagram
Absolute Maximum Ratings
Item Storage temperature Operating temperature Power supply voltage
(Ta=25°C) Symbol TSTG TOPR VCC max. VRES max. Pd Rating -40~+125 -20~+75 -0.3~10 -0.3~10 200 (MMP-4P) 300 (TO-92) Units
°C °C
V V m W
Manual reset input voltage Allowable loss
MITSUMI
System Reset PST591~595
Electrical Characteristics
Item
(Ta=25°C) (Except where noted otherwise, resistance unit isΩ) Measurement conditions C D E RL=470 F < VOL = 0.4V G H VCC=H L I J K RL=470, VCC=L H L RL=470, Ta=-20°C~+75°C VCC=Vs min.-0.05V, RL=470 VCC=10V VCC=Vs min.-0.05V, RL=∞ VCC=Vs typ./0.85V, RL=∞ PST591 PST592 RL=4.7k PST593 CL=100PF 1 PST594 PST595 RL=4.7k, CL=100PF 1 RL=4.7k, VOL < = 0.4V VCC=VS min.-0.05V, RL=0 Ta=-20°C~+75°C, RL=0 2 Min. 4.3 4.0 3.7 3.4 3.1 2.9 2.75 2.55 2.35 30 Typ. 4.5 4.2 3.9 3.6 3.3 3.1 2.90 2.70 2.50 50 ±0.01 0.1 0.4 ±0.1 600 350 75 150 300 600 1200...