FM803JP3X FAIRCHILD [Fairchild Semiconductor], FM803JP3X Datasheet

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FM803JP3X

Manufacturer Part Number
FM803JP3X
Description
3-Pin ?C Supervisor Device
Manufacturer
FAIRCHILD [Fairchild Semiconductor]
Datasheet
© 2000 Fairchild Semiconductor International
FM803 Rev. C.3
FM803
3-Pin
General Description
The FM803 is a supervisory device designed to monitor power
supply or other system voltage. FM803 generates a reset pulse
whenever the voltage being monitored is out of tolerance. Once
asserted, the reset pulse is guaranteed to be valid for a minimum
of 140ms (256ms typical ). The reset output of FM803 is of active
low Open-Drain type and has an internal pull-up resistor.
Several threshold voltages are offered to accommodate 5.0V,
3.3V, 3.0V and 2.7V system voltages.
These devices are offered in space saving 3-pin SOT23 and SC70
packages.
Typical Operating Circuit
Connection Diagram
µ
C Supervisor Device
GND
V
CC
/RESET
1
GND
SC70-3 & SOT23-3 Packages
FM803
3
1
2
2
FM803
/RESET
1
Features
I Automatic reset generation on power-up
I Minimum 140 ms reset pulse
I Internal 5kΩ pull-up resistor
I Other reset pulse choices available: 32 - 256 ms
I Operating temperature
I Choice of Reset Thresholds: 4.63V, 4.38V, 4.00V, 3.08V,
I SOT23-3 and SC70-3 Packages
-40°C to + 105°C (SOT-23)
-40°C to +85°C (SC70)
2.93V, 2.63V
3
V
CC
Controller
www.fairchildsemi.com
www.fairchildsemi.com
October 2002

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FM803JP3X Summary of contents

Page 1

FM803 µ 3-Pin C Supervisor Device General Description The FM803 is a supervisory device designed to monitor power supply or other system voltage. FM803 generates a reset pulse whenever the voltage being monitored is out of tolerance. Once asserted, the ...

Page 2

Absolute Maximum Ratings Voltage on any terminal relative to GND V CC /RESET Input Current Output Current: /RESET These are stress ratings only, and functional operation is not implied for these levels or beyond. Exposure to Absolute Maximum Rating conditions ...

Page 3

Absolute Maximum Ratings Voltage on any terminal relative to GND V CC /RESET Input Current Output Current: /RESET These are stress ratings only, and functional operation is not implied for these levels or beyond. Exposure to Absolute Maximum Rating conditions ...

Page 4

Pin Descriptions Pin Number Circuit Timing (Ex: FM803) 3. GND 3. GND When operating properly with 5V V (for example), /RESET will CC also be about 5V. When V starts to ...

Page 5

... FM803TS3X 03T FM803SS3X 03S FM803RS3X 03R FM803LP3X QLY FM803MP3X QMY FM803JP3X QJY FM803TP3X QTY FM803SP3X QSY FM803RP3X QRY Note 4: Devices listed above feature 250ms typical Reset Pulse width. Consult Fairchild sales for other reset pulse width options. FM803 Rev. C.3 RESET ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted 0.021 0.015 0.120 0.105 0.079 0.071 FM803 Rev. C.3 0.055 0.098 0.083 0.047 0.0059 0.040 0.0035 0.031 0.010 0.005 0.004 0.001 PKG C L 0.76 0.95 LAND PATTERN RECOMMENDATION SOT-23 Package Dimensions FS ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted .087 (2.2) .071 (1.8) .026 (.65) Life Support Policy Fairchild's products are not authorized for use as critical components in life support devices or systems without the express written approval of the President ...

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