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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： | 1/8页 |
| 文件大小： | 450K |
| 代理商： | PCS812TIUKF |
January 2007
PCS811/PCS812
rev 0.1
Notice: The information in this document is subject to change without notice.
PulseCore Semiconductor Corporation
1715 S. Bascom Ave Suite 200 Campbell, CA 95008
Tel: 408-879-9077 Fax: 408-879-9018
www.pulsecoresemi.com
5-Pin P Voltage Supervisor with Manual Reset
FEATURES
Ultra Low Supply Current 1A(typ.)
Guaranteed Reset Valid to VCC=0.9V
Available in two Output Types: Push-Pull
Active Low (PCS811), Push-Pull Active High
(PCS812)
140ms Min. Power-On Reset Pulse Width
Internally Fixed Threshold 2.3V, 2.6V, 2.7V,
2.9V, 3.1V, 4.0V, 4.4V, and 4.6V
Tight Voltage Threshold Tolerance: 1.5%
Low profile Package: SOT-23-5
APPLICATIONS
Notebook Computers
Digital Still Cameras
PDAs
Critical Microprocessor Monitoring
RESET THRESHOLD
Suffix
Voltage(V)
L
4.6
M
4.4
J
4.0
T
3.1
S
2.9
Q
2.7
R
2.6
P
2.3
DESCRIPTION
PCS811/PCS812 are low-power microprocessor (P)
supervisory circuits used to monitor power supplies in P
and digital systems. They provide applications with
benefits of circuit reliability and low cost by eliminating
external components. PCS811/PCS812 also offer a
manual reset input.
These devices perform as valid singles in applications with
VCC ranging from 6.0V down to 0.9V. The reset signal
lasts for a minimum period of 140ms whenever VCC
supply voltage falls below preset threshold. Both PCS811
and PCS812 were designed with a reset comparator to
help identify invalid signals, which last less than 140ms.
The only difference between them is that they have an
active-low RESET output and active-high RESET output,
respectively.
Low supply current (1A) makes PCS811/PCS812 ideal
for portable equipment. The devices are available in 5-
SOT-23 package
Typical Operating Circuit
VCC
GND
VCC
RESET
(RESET)
RESET
INPUT
MR
PCS811
(PCS812)
Pushbutton
Switch
P
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