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參數(shù)資料
| 型號(hào)： | PCS809LIURFT |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | ROHS COMPLIANT, SOT-23, 3 PIN |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 515K |
| 代理商： | PCS809LIURFT |
January 2007
PCS809/PCS810
rev 0.2
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
3-Pin P Voltage Supervisor
FEATURES
Ultra Low Supply Current 1A(typ.)
Guaranteed Reset Valid to VCC=0.9V
Available in three Output Types: Open Drain
Active Low (PCS809N), Push-Pull Active Low
(PCS809), Push-Pull Active High (PCS810)
140ms Min. Power-On Reset Pulse Width
Internally Fixed Threshold 2.3V, 2.6V, 2.9V,
3.1V, 4.0V, 4.4V, and 4.6V
Tight Voltage Threshold Tolerance: 1.5%
Low profile Package: SOT-23-3
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
R
2.6
P
2.3
DESCRIPTION
PCS809/PCS810 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.
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 PCS809
and PCS810 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 PCS809/PCS810 ideal
for portable equipment. The devices are available in 3-
SOT-23 package
Typical Operating Circuit
VCC
GND
VCC
RESET
(RESET)
RESET
INPUT
PCS809
(PCS810)
P
Push-Pull Output
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