BR31P PulseCore Semiconductor, BR31P Datasheet

no-image

BR31P

Manufacturer Part Number
BR31P
Description
5-pin ?p Voltage Supervisor With Manual Reset
Manufacturer
PulseCore Semiconductor
Datasheet
January 2007
rev 0.1
FEATURES
APPLICATIONS
1715 S. Bascom Ave Suite 200 Campbell, CA 95008 • Tel: 408-879-9077 • Fax: 408-879-9018
Active Low (PCS811), Push-Pull Active High
(PCS812)
2.9V, 3.1V, 4.0V, 4.4V, and 4.6V
Ultra Low Supply Current 1µA(typ.)
Guaranteed Reset Valid to VCC=0.9V
Available in two Output Types: Push-Pull
140ms Min. Power-On Reset Pulse Width
Internally Fixed Threshold 2.3V, 2.6V, 2.7V,
Tight Voltage Threshold Tolerance: 1.5%
Low profile Package: SOT-23-5
Notebook Computers
Digital Still Cameras
PDAs
Critical Microprocessor Monitoring
Suffix
RESET THRESHOLD
M
Q
S
R
P
L
J
T
Voltage(V)
5-Pin µP Voltage Supervisor with Manual Reset
Notice: The information in this document is subject to change without notice.
4.6
4.4
4.0
3.1
2.9
2.7
2.6
2.3
PulseCore Semiconductor Corporation
www.pulsecoresemi.com
DESCRIPTION
PCS811/PCS812 are low-power microprocessor (µP)
supervisory circuits used to monitor power supplies in µP
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 (1µA) makes PCS811/PCS812 ideal
for portable equipment. The devices are available in 5-
SOT-23 package
VCC
Typical Operating Circuit
MR
Pushbutton
Switch
(PCS812)
PCS811
GND
VCC
(RESET)
RESET
PCS811/PCS812
RESET
INPUT
VCC
µP
GND

Related parts for BR31P

BR31P Summary of contents

Page 1

... Q 2.7 R 2.6 P 2.3 PulseCore Semiconductor Corporation 1715 S. Bascom Ave Suite 200 Campbell, CA 95008 • Tel: 408-879-9077 • Fax: 408-879-9018 Notice: The information in this document is subject to change without notice. DESCRIPTION PCS811/PCS812 are low-power microprocessor (µP) supervisory circuits used to monitor power supplies in µP and digital systems. They provide applications with benefits of circuit reliability and low cost by eliminating external components ...

Page 2

January 2007 rev 0.1 Pin Diagram RESET (RESET) Pin Description Pin# Pin Name PCS811 PCS812 1 1 GND RESET RESET VCC Block Diagram Bandgap VCC R1 R2 GND ...

Page 3

January 2007 rev 0.1 DETAIL DESCRIPTION RESET OUTPUT µP will be activated at a valid reset state. These µP supervisory circuits assert reset to prevent code execution errors during power-up, power-down, conditions. RESET is guaranteed >VCC>0.9V. ...

Page 4

January 2007 rev 0.1 Absolute Maximum Rating Parameter VCC RESET,RESET Input Current (VCC,MR) Output Current (RESET or RESET) Continuous Power Dissipation (T =+70°C) A Operating Junction Temperature Range Junction Temperature Storage Temperature Range Lead Temperature (Soldering) 10 sec Test Circuit ...

Page 5

January 2007 rev 0.1 Electrical Characteristics: (Typical valves are at T =+25°C unless otherwise specified.) (Note1) A Parameter Symbol Opreating Voltage VCC Supply Current I CC RESET threshold V TH VCC to Reset Delay T RD Reset Active Timeout Period ...

Page 6

... PCS811/PCS812 Top Marking BQ46P BQ44P BQ40P BQ31P BQ29P BQ27P BQ26P BQ23P BR46P BR44P BR40P BR31P BR29P BR27P BR26P BR23P ...

Page 7

January 2007 rev 0.1 Package Information: 5L SOT 23 Package Symbol θ 5-Pin µP Voltage Supervisor with Manual Reset Notice: The information in this document is subject to ...

Page 8

... Copyright 2007 PulseCore Semiconductor Corporation. All rights reserved. Our logo and name are trademarks or registered trademarks of PulseCore Semiconductor. All other brand and product names may be the trademarks of their respective companies. PulseCore reserves the right to make changes to this document and its products at any time without notice. ...

Related keywords