NCV803SQ308T1G ON Semiconductor, NCV803SQ308T1G Datasheet

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NCV803SQ308T1G

Manufacturer Part Number
NCV803SQ308T1G
Description
Supervisory Circuits 3.08V SUPERV AUTO
Manufacturer
ON Semiconductor
Datasheet

Specifications of NCV803SQ308T1G

Product Category
Supervisory Circuits
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, 2009
February, 2009 − Rev. 6
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, 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
mP
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
(Note: Microdot may be in either location)
DEVICE MARKING INFORMATION
RESET
2
GND
xxx
M
G
ORDERING INFORMATION
3
PIN CONFIGURATION
http://onsemi.com
1
2
SOT−23/SC−70
= Specific Device Code
= Date Code
= Pb−Free Package
(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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NCV803SQ308T1G Summary of contents

Page 1

MAX803 Series, NCP803 Series Very Low Supply Current 3-Pin Microprocessor Reset Monitor The MAX803/NCP803 is a cost−effective system supervisor circuit designed to monitor V in digital systems and provide a reset signal to CC the host processor when necessary. No ...

Page 2

V CC Vref 1 GND Figure 2. NCP803, MAX803 Series Open−Drain Active−Low Output PIN DESCRIPTION Pin No. Symbol Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á ...

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 −40°C to +105°C unless otherwise noted. Typical values are at T ...

Page 4

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 3. Supply Current vs. Supply Voltage 0 2. 0.3 0.2 0.1 0 ...

Page 5

TYPICAL OPERATING CHARACTERISTICS 125 100 100 200 −50 − TEMPERATURE (°C) Figure 9. Power−Down Reset ...

Page 6

... Detail Operation Description The MAX803, NCP803 series microprocessor reset supervisory circuits are designed to monitor the power supplies in digital systems and provide a reset signal to the processor without any external components. Figure 2 shows the timing diagram and a typical application below. Initially consider that input voltage V ...

Page 7

V Transient Rejection CC The MAX803/NCP803 series provides accurate V monitoring and reset timing power−down, and brownout/sag conditions, and rejects negative−going transients (glitches) on the power supply line. Figure 13 shows the maximum transient duration vs. maximum negative excursion (overdrive) ...

Page 8

... NCP803SN120T1G 1.20 NCP803SN293D1T1G 2.93 NCP803SN293D2T1G 2.93 NCP803SN293D3T1G 2.93 MAX803SQ120T1G 1.20 MAX803SQ263T1G 2.63 MAX803SQ293T1G 2.93 MAX803SQ308T1G 3.08 NCV803SQ308T1G MAX803SQ438T1G 4.38 MAX803SQ463T1G 4.63 MAX803SQ293D1T1G 2.93 MAX803SQ293D2T1G 2.93 MAX803SQ308D2T1G 3.08 MAX803SQ293D3T1G 2.93 *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. Time out** ...

Page 9

... *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. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. ...

Page 10

... A1 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “ ...

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