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参数资料
| 型号： | PST620DDB |
| 厂商： | MITSUMI ELECTRIC CO LTD |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, DIP8 |
| 封装： | DIP-8 |
| 文件页数： | 2/6页 |
| 文件大小： | 361K |
| 代理商： | PST620DDB |
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
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PST621 | 制造商:MITSUMI 制造商全称:Mitsumi Electronics, Corp. 功能描述:System Reset (with battery back-up) Monolithic IC |
| PST623 | 制造商:MITSUMI 制造商全称:Mitsumi Electronics, Corp. 功能描述:System Reset |
| PST623XS | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Detector |
| PST623XW | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Detector |
| PST-7 | 制造商:Panduit Corp 功能描述: |
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