參數(shù)資料
型號(hào): PST621DDB
廠商: MITSUMI ELECTRIC CO LTD
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, DIP8
封裝: DIP-8
文件頁數(shù): 2/6頁
文件大?。?/td> 361K
代理商: PST621DDB
MITSUMI
System Reset (with battery back-up) PST620, 621
PST621
Pin No.
Pin name
Function
1
VAC
Has +2.0V detection voltage to detect AC power supply and
stable power supply primary side, for quick power outage detection.
2
VCC1
+5V main power supply
3
VCC2
Back-up power supply (back-up capacitor connected)
4
TC
Pulse width setting pin for pulse shaver
(capacitor and resistor connected)
5
RE
---------------------------------------------------------------
Reset output
6
MODE
Switches 1-chip microcomputer mode with pulse
shaver output signal
7
CE
Chip enable signal output (power outage detection signal)
8
GND
Block Diagram
PST620
PST621
Absolute Maximum Ratings (Ta=25°C)
Item
Symbol
Rating
Storage temperature
TSTG
-40~+125°C
Operating temperature
TOPR
-20~+70°C
Power supply voltage
VCC max.
-0.3~+10V
TC input input voltage
VC max.
VCC1+0.3V
Allowable loss
Pd
450mW
Products
to
be
discontinued
相關(guān)PDF資料
PDF描述
PST620DFT 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
PST620DDB 1-CHANNEL POWER SUPPLY SUPPORT CKT, DIP8
PST621DFT 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
PST7019M 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3
PST7025M 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3
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