MAX809SN120T1G ON Semiconductor, MAX809SN120T1G Datasheet

IC MPU RESET MON 1.20V SOT-23

MAX809SN120T1G

Manufacturer Part Number
MAX809SN120T1G
Description
IC MPU RESET MON 1.20V SOT-23
Manufacturer
ON Semiconductor
Type
Simple Reset/Power-On Resetr
Datasheet

Specifications of MAX809SN120T1G

Number Of Voltages Monitored
1
Output
Push-Pull, Totem Pole
Reset
Active Low
Reset Timeout
140 ms Minimum
Voltage - Threshold
1.2V
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
SOT-23-3, TO-236-3, Micro3™, SSD3, SST3
Monitored Voltage
1.2 V to 4.9 V
Undervoltage Threshold
1.2 V
Output Type
Push-Pull
Manual Reset
Not Resettable
Watchdog
No Watchdog
Battery Backup Switching
No Backup
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1 V
Supply Current (typ)
0.8 uA
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Power Fail Detection
No
Overvoltage Threshold
1.22 V
Power-up Reset Delay (typ)
460 ms
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
MAX809 Series,
MAX810 Series
Very Low Supply Current
3-Pin Microprocessor
Reset Monitors
circuits designed to monitor V
signal to 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 MAX810 has an active−high RESET output
while the MAX809 has an active−low RESET output. Both devices
are available in SOT−23 and SC−70 packages.
the V
devices suitable for battery powered applications.
Features
Typical Applications
© Semiconductor Components Industries, LLC, 2011
February, 2011 − Rev. 21
The MAX809 and MAX810 are cost−effective system supervisor
The reset output is driven active within 10 msec of V
The MAX809/810 are optimized to reject fast transient glitches on
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
Compatible with Hot Plug Applications
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
CC
CC
V
Transient Immunity
CC
line. Low supply current of 0.5 mA (V
Figure 1. Typical Application Diagram
CC
MAX809/810
Monitor for 1.5 V, 2.5 V, 3.0 V, 3.3 V, and 5.0 V
V
GND
RESET
CC
RESET
CC
in digital systems and provide a reset
CC
RESET
PROCESSOR
INPUT
= 1.0 V.
GND
V
CC
CC
= 3.2 V) makes these
CC
rises above
CC
1
falling
See detailed ordering and shipping information in the package
dimensions section on page 10 of this data sheet.
See general marking information in the device marking
section on page 10 of this data sheet.
1
DEVICE MARKING INFORMATION
2
RESET
RESET
ORDERING INFORMATION
xxx
M
G
(Note: Microdot may be in either location)
GND
NOTE:
3
PIN CONFIGURATION
http://onsemi.com
1
SOT−23/SC−70
2
= Specific Device Code
= Date Code
= Pb−Free Package
RESET is for MAX809
RESET is for MAX810
(SOT−323)
CASE 318
CASE 419
(TO−236)
SOT−23
SC−70
(Top View)
Publication Order Number:
3
1
1
MARKING
DIAGRAM
V
MAX809S/D
xxx MG
3
CC
xx MG
G
G
2

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MAX809SN120T1G Summary of contents

Page 1

MAX809 Series, MAX810 Series Very Low Supply Current 3-Pin Microprocessor Reset Monitors The MAX809 and MAX810 are cost−effective system supervisor circuits designed to monitor V in digital systems and provide a reset CC signal to the host processor when necessary. ...

Page 2

Timeout V CC Counter Vref 1 GND Figure 2. MAX809 Series Complementary Active−Low Output 3 Timeout V CC Counter Vref 1 GND Figure 3. MAX810 Series Complementary Active−High Output http://onsemi.com V CC Oscillator V CC Oscillator 2 2 RESET ...

Page 3

PIN DESCRIPTION Pin No. Symbol 1 GND Ground 2 RESET (MAX809) RESET output remains low while V period after V 2 RESET (MAX810) RESET output remains high while V period after Supply Voltage (Typ) CC ABSOLUTE MAXIMUM ...

Page 4

... −40°C to +85° +85°C to +105° Production testing done 25°C, over temperature limits guaranteed by design Contact your ON Semiconductor sales representative for other threshold voltage options −40°C to +105°C unless otherwise noted. Typical values are Symbol http://onsemi.com 4 = +25° ...

Page 5

... SINK SINK SINK 5. Production testing done 25°C, over temperature limits guaranteed by design Contact your ON Semiconductor sales representative for timeout options availability for other threshold voltage options. (continued −40°C to +105°C unless otherwise noted. Typical values are at A Symbol http://onsemi ...

Page 6

TYPICAL OPERATING CHARACTERISTICS 0 1 0.5 0.4 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. 2. 0.30 0.25 0.20 0.15 0.10 ...

Page 7

TYPICAL OPERATING CHARACTERISTICS SINK RESET ASSERTED 20 85°C 15 25°C 10 −40°C 5.0 0 0.5 1.0 1.5 2.0 2.5 3.0 SUPPLY VOLTAGE (V) Figure 10. Output Voltage Low vs. Supply Voltage 125 ...

Page 8

Detail Operation Description The MAX809/810 series microprocessor 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 ...

Page 9

V Transient Rejection CC The MAX809 provides accurate V reset timing during power−up, power−down, and brownout/sag conditions, and rejects negative−going transients (glitches) on the power supply line. Figure 16 shows the maximum transient duration vs. maximum negative excursion (overdrive) for ...

Page 10

... MAX809JTRG 4.00 MAX809MTR 4.38 MAX809MTRG 4.38 MAX809HTR 4.55 MAX809HTRG 4.55 MAX809LTR 4.63 MAX809LTRG 4.63 NCV809LTRG 4.63 MAX809SN490T1 4.90 MAX809SN490T1G 4.90 MAX809SN120T1G 1.20 MAX809SN293D1T1G 2.93 MAX809SN293D2T1G 2.93 MAX809SN293D3T1G 2.93 MAX809SQ120T1G 1.20 MAX809SQ232T1G 2.32 MAX809SQ263T1G 2.63 MAX809SQ293T1G 2.93 MAX809SQ308T1G 3.08 MAX809SQ400T1G 4.00 MAX809SQ438T1G 4 ...

Page 11

... MAX810SQ293D2T1G 2.93 MAX810SQ293D3T1G 2.93 †For information on tape and reel specifications,including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. *Contact your ON Semiconductor sales representative for other threshold voltage options. Timeout* Description Marking (ms) 140−460 140−460 140− ...

Page 12

... *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. 2. CONTROLLING DIMENSION: INCH. 3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS ...

Page 13

... 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 ...

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