Datasheet > PST9123N

PST9123N

更新时间： 2024-09-20 23:29:27

品牌	Logo	应用领域
其他 - ETC		/
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描述
Voltage Detector

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数据手册

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PST9123N 数据手册

System Reset PST91XX

MITSUMI

System Reset

Monolithic IC PST91XX Series

Outline

The function of this low reset type IC is to accurately reset systems after detecting the supply voltage at the

time of switching power on and instantaneous power off in various CPU and other logic systems. Further, this

IC, with its super low consumption current and high precision voltage detection capacity, is most suited as a

voltage check circuit for a number of products which use batteries.

Features

1. High precision voltage detection

Vs±±3 maꢀ.

2. Super low current consumption

I^CCH=1.5µA typ. ICCL=1.0µA typ.

0.65V typ.

±. Low operating threshold voltage

4. Hysteresis voltage is provided as a detect voltage

5. Large output current at the time ON

50mV typ.

15mA typ.

6. The detect voltage can be selected at your discretion at 0.1V step within the range of 1.9 to 4.6V by the

following stipulation method.

PST91XX

Detected voltage value

(Eꢀample : for 4.2V ······ PST9142)

Package

TO-92A (PST91

SOT-25A (PST91

)

Applications

1. Reset circuits for microcomputers, CPU and MPU.

2. Reset circuit for logic circuitry.

±. Battery voltage check circuit.

4. Circuit for changing over to backup battery.

5. Level detecting circuit.

Pin Assignment

SUB

GND

V^OUT

VCC

VOUT

VCC

GND

SOT 25A

(TOP VIEW)

TO 92A

(Note) The pin 2 of SOT-25 package is a SUB terminal. Connect it to GND.

12 3

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