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参数资料
| 型号： | PCS812TIUKF |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封装： | ROHS COMPLIANT, SOT-23, 5 PIN |
| 文件页数： | 2/8页 |
| 文件大小： | 450K |
| 代理商： | PCS812TIUKF |
January 2007
PCS811/PCS812
rev 0.1
5-Pin P Voltage Supervisor with Manual Reset
2 of 8
Notice: The information in this document is subject to change without notice.
Pin Diagram
Pin Description
Block Diagram
Pin#
PCS811
PCS812
Pin Name
Description
1
GND
Ground.
2
NC
No Connection
3
-
RESET
RESET is asserted LOW if VCC falls below VTH. RESET remains LOW for atleast
140ms (TRST) once VCC exceeds the Threshold. In addition, RESET is active LOW
as long as the manual reset (MR) is low.
-
3
RESET
RESET is asserted HIGH if VCC falls below VTH. RESET remains HIGH for atleast
140ms (TRST) once VCC exceeds the threshold. In addition, RESET is active HIGH
as long as the manual reset (MR) is low.
4
MR
Manual Reset Input. A logic LOW on MR asserts reset. Reset remains active as
long as MR is LOW and for at least 180ms (TMRST) once MR returns HIGH. The
active low input has an internal 20k
pull-up resistor. The input should be left
open if not used. It can be driven by TTL or CMOS logic or shorted to ground by a
switch.
5
VCC
Power supply input voltage (3.0V, 3.3V, 5.0V)
1
2
3
5
4
GND
VCC
NC
RESET (RESET)
MR
PCS811
(PCS812)
RESET Generator
Bandgap
MR
RPULL_UP
20K
R1
R2
VCC
GND
RESET (RESET)
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