NCP803 ON Semiconductor, NCP803 Datasheet

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NCP803

Manufacturer Part Number
NCP803
Description
Very Low Supply Current 3-Pin Microprocessor Reset Monitor
Manufacturer
ON Semiconductor
Datasheet

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www.DataSheet4U.com
MAX803 Series,
NCP803 Series
Very Low Supply Current
3−Pin Microprocessor
Reset Monitor
designed to monitor V
the host processor when necessary. No external components are
required.
through the reset voltage threshold. Reset is maintained active for a
timeout period which is trimmed by the factory after V
the reset threshold. The MAX803/NCP803 has an open drain
active−low RESET output. Both devices are available in SOT−23 and
SC−70 packages.
on the V
these devices suitable for battery powered applications.
Features
Typical Applications
© Semiconductor Components Industries, LLC, 2006
March, 2006 − Rev. 0
The MAX803/NCP803 is a cost−effective system supervisor circuit
The reset output is driven active within 10 msec of V
The MAX803/NCP803 is optimized to reject fast transient glitches
Supplies
in 100 mV Steps
(1 ms, 20 ms, 100 ms, and 140 ms)
Precision V
Precision Monitoring Voltages from 1.2 V to 4.9 V Available
Four Guaranteed Minimum Power−On Reset Pulse Width Available
RESET Output Guaranteed to V
Low Supply Current
V
No External Components
Wide Operating Temperature: −40°C to 105°C
Pb−Free Packages are Available
Computers
Embedded Systems
Battery Powered Equipment
Critical Microprocessor Power Supply Monitoring
V
CC
CC
Transient Immunity
CC
line. Low supply current of 0.5 mA (V
CC
C = 100 nF
Figure 1. Typical Application Diagram
Monitor for 1.5 V, 1.8 V, 2.5 V, 3.0 V, 3.3 V, and 5.0 V
CC
in digital systems and provide a reset signal to
MAX803
NCP803
GND
V
RESET
CC
CC
0
= 1.0 V
R
pull−up
CC
= 3.2 V) make
RESET
CC
rises above
GND
CC
V
μP
1
CC
falling
0
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
See general marking information in the device marking
section on page 7 of this data sheet.
1
DEVICE MARKING INFORMATION
RESET
2
xxx
M
G
(Note: Microdot may be in either location)
GND
ORDERING INFORMATION
3
PIN CONFIGURATION
http://onsemi.com
1
2
= Specific Device Code
= Date Code
= Pb−Free Package
SOT−23/SC−70
(SOT−323)
CASE 318
CASE 419
(TO−236)
SOT−23
SC−70
(Top View)
Publication Order Number:
3
1
1
MARKING
DIAGRAM
V
CC
xxx MG
3
xx MG
MAX803/D
G
G
2

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NCP803 Summary of contents

Page 1

... V the reset threshold. The MAX803/NCP803 has an open drain active−low RESET output. Both devices are available in SOT−23 and SC−70 packages. The MAX803/NCP803 is optimized to reject fast transient glitches line. Low supply current of 0 the V CC these devices suitable for battery powered applications ...

Page 2

... The maximum package power dissipation limit must not be exceeded. T J(max with T R qJA MAX803 Series, NCP803 Series Ground RESET output remains low while V is below the reset voltage threshold, and for a reset timeout CC period after V rises above reset threshold. ...

Page 3

... A 4. Contact your ON Semiconductor sales representative for other threshold voltage options. 5. Contact your ON Semiconductor sales representative for timeout options availability for other threshold voltage options. MAX803 Series, NCP803 Series = −40°C to +105°C unless otherwise noted. Typical values are Symbol ...

Page 4

... MAX803 Series, NCP803 Series TYPICAL OPERATING CHARACTERISTICS 0 1 0.6 0.5 0.4 0.3 0.2 0.1 0 0.5 1.5 2.5 3.5 SUPPLY VOLTAGE (V) Figure 2. Supply Current vs. Supply Voltage 0 2. 0.3 0.2 0.1 0 0.5 1.5 2.5 3.5 SUPPLY VOLTAGE (V) Figure 4. Supply Current vs. Supply Voltage 0 0.1 0 −50 − TEMPERATURE (°C) Figure 6. Supply Current vs. Temperature 0 4. 85°C 0.4 25° ...

Page 5

... MAX803 Series, NCP803 Series TYPICAL OPERATING CHARACTERISTICS 125 100 100 200 −50 − TEMPERATURE (°C) Figure 8. Power−Down Reset Delay vs. Temperature and Overdrive (V 1.3 1.2 1.1 1.0 0.9 0.8 0.7 −50 300 − 240 180 ...

Page 6

... However, if the NCP803/MAX803’s supply goes blew 1 V, the RESET output ability to sink current will decrease and the result is a high state on the pin even though the supply’ under the threshold level ...

Page 7

... Tape and Reel Packaging Specifications Brochure, BRD8011/D. *Contact your ON Semiconductor sales representative for other threshold voltage options. **Contact your ON Semiconductor sales representative for timeout options availability for other threshold voltage options. MAX803 Series, NCP803 Series Time out** Description (ms) 140− ...

Page 8

... MAX803 Series, NCP803 Series D SEE VIEW *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. PACKAGE DIMENSIONS SOT−23 (TO236) CASE 318−08 ISSUE AN NOTES: 1 ...

Page 9

... P.O. Box 61312, Phoenix, Arizona 85082−1312 USA Phone: 480−829−7710 or 800−344−3860 Toll Free USA/Canada Fax: 480−829−7709 or 800−344−3867 Toll Free USA/Canada Email: orderlit@onsemi.com MAX803 Series, NCP803 Series PACKAGE DIMENSIONS SC−70 (SOT−323) CASE 419−04 ...

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