參數(shù)資料
型號: PST573L
廠商: MITSUMI ELECTRIC CO LTD
元件分類: 電源管理
英文描述: SYSTEM RESET Monolithic IC
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBCY3
封裝: TO-92A, 3 PIN
文件頁數(shù): 5/6頁
文件大?。?/td> 134K
代理商: PST573L
MITSUMI
System Reset PST573
Timing Chart
6
5
4
3
2
1
0
7
V
CC
/V
OUT
(V)
RESET
V
CC
V
OUT
V
S
V
S
(CPU)
Time
ON
OFF
Undefined
Application circuits
1. Normal hard reset
Delay time (tpLH)
.= C
L
R
L
lnV
CC
-
0.2 +0.025 (mS)
Vscpu
[
C
L
: μF
R
L
: k
Vs cpu : Reset threshold voltage of
CPU, MPU, etc.
Voltage: V
Note: Connect a capacitor between IC pins 1 and 2
if V
CC
line impedance is high.
2. Manual reset added
Note 1: Use R
L
, C
L
and Rm to prevent manual switch
chattering.
Note that Rm should be set to the following
conditions.
Rm <1/20R
Note 2: Connect a capacitor between IC pins 1 and 2
if V
CC
line impedance is high.
3. Battery checker (LED ON for high voltage)
Note: Connect a capacitor between IC pins 1 and 2 if
V
CC
line impedance is high.
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