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805L

Description
2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8
Categoryaccessories   
File Size411KB,16 Pages
ManufacturerSIPEX
Websitehttp://www.sipex.com/
Download Datasheet View All

805L Overview

2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8

®
SP690A/692A/802L/
802M/805L/805M
Low Power Microprocessor Supervisory
with Battery Switch-Over
FEATURES
Precision Voltage Monitor:
SP690A/SP802L/SP805L at 4.65V
SP692A/SP802M/SP805M at 4.40V
Reset Time Delay - 200ms
Watchdog Timer - 1.6 sec timeout
Minimum component count
60µA Maximum Operating Supply Current
0.6µA Maximum Battery Backup Current
0.1µA Maximum Battery Standby Current
Power Switching
250mA Output in V
CC
Mode (0.6Ω)
25mA Output in Battery Mode (5Ω)
Voltage Monitor for Power Fail or
Low Battery Warning
Available in 8 pin SO and DIP packages
RESET asserted down to V
CC
= 1V
VOUT
VCC
GND
PFI
1
2
3
4
8 PIN NSOIC
8
7
6
5
VBATT
RESET (RESET)*
WDI
PFO
*SP805 only
Now Available in Lead Free Packaging
Pin Compatible Upgrades to
MAX690A/692A/802L/802M/805L
APPLICATIONS
Critical
µP
Power Monitoring
Intellegent Instruments
Computers
Controllers
DESCRIPTION
The
SP690A/692A/802L/802M/805L/805M
are a family of microprocessor (µP) supervisory
circuits that integrate a myriad of components involved in discrete solutions to monitor power-
supply and battery-control functions in
µP
and digital systems. The series will significantly
improve system reliability and operational efficiency when compared to discrete solutions.
The features of the
SP690A/692A/802L/802M/805L/805M
include a watchdog timer, a
µP
reset and backup-battery switchover, and power-failure warning, a complete
µP
monitoring
and watchdog solution. The series is ideal for applications in automotive systems, computers,
controllers, and intelligent instruments. All designs where it is critical to monitor the power
supply to the
µP
and it’s related digital components will find the series to be an ideal solution.
PART NUMBER
SP690A
SP692A
SP802L
SP802M
SP805L
SP805M
RESET
Threshold
4.65 V
4.40 V
4.65 V
4.40 V
4.65 V
4.40 V
RESET
Accuracy
125mV
125mV
75mV
75mV
125mV
125mV
RESET Active
LOW
LOW
LOW
LOW
HIGH
HIGH
PFI Accuracy
4%
4%
2%
2%
4%
4%
Date: 11/29/04
SP690A/692A Low Power Microprocessor Supervisory with Battery Switch-Over
© Copyright 2004 Sipex Corporation
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