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參數(shù)資料
| 型號： | PST994L |
| 廠商： | MITSUMI ELECTRIC CO LTD |
| 元件分類： | 電源管理 |
| 英文描述： | MOSFET; Transistor Polarity:N Channel; Drain Source Voltage, Vds:20V; Continuous Drain Current, Id:2.1A; On-Resistance, Rds(on):0.085ohm; Rds(on) Test Voltage, Vgs:4.5V; Package/Case:SOT-23; Leaded Process Compatible:No |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBCY3 |
| 封裝： | TO-92A, 3 PIN |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 96K |
| 代理商： | PST994L |
MITSUMI
System Reset PST993, 994
System Reset
Monolithic IC PST993, 994
Outline
The function of this 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 can
be offered at low cost because it is designed to be simplified allowing for the replacement from reset circuit of
discrete configuration.
Features
1. Voltage detect precision
2. Low consumption current
3. Low operating threshold voltage
4. Hysteresis voltage is provided as detect voltage
5. Large output current at the time ON
6. Detect voltage rank
V
S
±5% max.
I
CCH
=300μA typ. I
CCL
=250μA typ.
0.65V typ.
50mV typ.
15mA typ.
PST993 C : 4.5V
D : 4.2V
E : 3.9V
F : 3.6V
G : 3.3V
(Same ranks for PST994 too)
H: 3.1V
I : 2.9V
J : 2.7V
K: 2.5V
L : 2.3V
7. Output form
PST993 : Constant current load built-in
PST994 : Open collector
Packages
TO-92A (PST993 , PST994 )
*
contains detection voltage rank.
Applications
1. Reset circuits for microcomputers, CPU and MPU.
2. Reset circuit for logic circuitry.
3. Level detecting circuit.
Pin Assignment
1
2
3
TO-92A
1
V
CC
GND
V
OUT
2
3
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