PST90xx Datasheet | Mitsumi Electronics

Features 1. High precision voltage detection VS±2.5% max. 2. Super low current consumption ICCH=1.5µA typ. ICCL=1µA typ. 3. Low operating threshold voltage 0.7V max. 4. Hysteresis voltage is provided as a detect voltage Vs 5% typ. 5. The detect voltage can be selected at your discretion at 0.1 V step within the range of 0.8 to 1.8V by the following stipulation method. PST90XX Detected voltage value (Example : for 0.8V - - - - - - PST9008) Packages TO-92A (PST90 SOT-25A (PST90 ) N) .. Applications 1. 2. 3. 4. 5. Reset circuits for microputers, CPUs and MPUs Reset circuits for logic circuits Battery voltage check circuits Back-up power supply switching circuits Level detection circuits Pin Assignment 1 1 2 3 1 2 3 VOUT VCC GND 1 2 3 5 4 2 3 4 5 SOT-25A (TOP VIEW) Note : The pin 2 of SOT-25 package is a SUB terminal. Connect it to GND. TO-92A NC SUB GND VOUT VCC MITSUMI IC for System Reset PST90XX Equivalent Circuit Diagram Absolute Maximum Ratings Item Storage temperature Operating temperature Supply Voltage Allowable loss (Ta=25°C) Symbol TSTG TOPR VCC max. Pd Ratings -40~+125 -20~+75 -0.3~10 150 (SOT-25A) 300 (TO-92A) Units °C °C V m W Electrical Characteristics Item Symbol (Ta=25°C) (The unit of resistance is Ω unless otherwise indicated.) Measurement Circuit Measurement conditions PST9008 PST9009 PST9010 PST9011 PST9012 PST9013 PST9014 PST9015 PST9016 PST9017 PST9018 Min. Typ. Max. Unit Detection Voltage RL=4.7k VCC=H L VOL < = 0.4V Hysteresis Voltage 1 1 1 1 1 1 2 2 1 1 1 Detection Voltage VS/ T Temperature Coefficient Low Level VOL Output Voltage Output Leakage Current IOH Circuit Current at On Time ICCL Circuit Current at ICCH OFF Time "H" Transmission Delay Time tp LH "L" Transmission Delay Time tp HL Operating Threshold Voltage Vop L Output Current at IOL1 On Time 1 Output Current at IOL2 On Time 2 RL=4.7k VCC=L H L RL=4.7k Ta=-20°C~+75°C VCC=Vs min. -0.02V RL=4.7k VCC=10V VCC=Vs min. -0.02V IOL=0m A VCC=1.5V, RL=∞ Vs=0.8~1.2 VCC=3.0V,...