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ASM692AESAF-T

Description
Power Supply Management Circuit, Fixed, 2 Channel, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8
CategoryPower/power management    The power supply circuit   
File Size549KB,15 Pages
ManufacturerPulseCore Semiconductor Corporation
Environmental Compliance
Download Datasheet Parametric View All

ASM692AESAF-T Overview

Power Supply Management Circuit, Fixed, 2 Channel, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8

ASM692AESAF-T Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerPulseCore Semiconductor Corporation
package instruction0.150 INCH, ROHS COMPLIANT, SOIC-8
Reach Compliance Codeunknown
Other featuresRESET THRESHOLD VOLTAGE IS 4.4V
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeR-PDSO-G8
length4.9 mm
Number of channels2
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height1.75 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1.1 V
Nominal supply voltage (Vsup)5 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3.91 mm
ASM690A/692A and ASM802L/802M and ASM805L
μP
Power Supply Supervisor
With Battery Backup Switch
General Description
The ASM690A / ASM692A / ASM802L / ASM802M /
ASM805L offers complete single chip solutions for power
supply monitoring and control battery functions in
microprocessor systems. Each device implements four
functions: Reset control, watchdog monitoring, battery-
backup switching and powerfailure monitoring. In addition
to microprocessor reset under power-up and power-down
conditions, these devices provide battery-backup
switching to maintain control in power loss and brown-out
situations. Additional monitoring capabilities can provide
an early warning of unregulated power supply loss before
the voltage regulator drops out. The important features of
these four functions are:
1.6 second watchdog timer to keep microprocessor
responsive
4.40V or 4.65V VCC threshold for microprocessor
reset at power-up and power-down
SPDT (Single-pole, Double-throw) PMOS switch
connects backup power to RAM if VCC fails
1.25V threshold detector for power loss or general
purpose voltage monitoring
These features are pin-compatible with the industry
standard power-supply supervisors. Short-circuit and
thermal protection have also been added. The ASM690A
/ ASM802L / ASM805L generate a reset pulse when the
supply voltage drops below 4.65V and the ASM692A /
ASM802M generate a reset below 4.40V. The ASM802L /
ASM802M have power-fail accuracy to ±2%. The
ASM805L is the same as the ASM690A except that
RESET is provided instead of RESET.
No external components
Specified over full temperature range
Applications
Embedded control systems
Portable/Battery operated systems
Intelligent instruments
Wireless instruments
Wireless communication systems
PDAs and hand-held equipments
μP / μC power supply monitoring
Safety system
Typical Operating Circuit
Block Diagram
Features
Two precision supply-voltage monitor options
4.65V (ASM690A / ASM802L / ASM805L)
4.40V (ASM692A / ASM802M )
Battery-backup power switch on-chip
Watchdog timer: 1.6 second timeout
Power failure / low battery detection
Short circuit protection and thermal limiting
Small 8-pin SO and 8-pin PDIP packages
©2010 SCILLC. All rights reserved.
January 2010 – Rev. 2
Publication Order Number:
ASM690/D
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