MAX6362 MAXIM [Maxim Integrated Products], MAX6362 Datasheet

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MAX6362

Manufacturer Part Number
MAX6362
Description
SOT23, Low-Power ?P Supervisory Circuits with Battery Backup
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.MAX6362.pdf (8 pages)

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19-1615; Rev 0; 1/00
Selector Guide appears at end of data sheet.
Typical Operating Circuit appears at end of data sheet.
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
The MAX6361/MAX6363/MAX6364 supervisory circuits
reduce the complexity and number of components
required for power-supply monitoring and battery control
functions in microprocessor (µP) systems. The circuits sig-
nificantly improve system reliability and accuracy com-
pared to that obtainable with separate ICs or discrete
components. Their functions include µP reset, backup-
battery switchover, and power failure warning.
The MAX6361/MAX6363/MAX6364 operate from supply
voltages as low as +1.2V. The factory preset reset
threshold voltage ranges from 2.32V to 4.63V (see
Ordering Information). These devices provide a manual
reset input (MAX6361), battery-on output (MAX6363),
and an auxiliary adjustable reset input (MAX6364). In
addition, each part type is offered in three reset output
versions: an active-low push-pull reset, an active-low
open-drain reset, and an active-high push-pull reset
(see Selector Guide at end of data sheet).
Pin Configurations continued at end of data sheet.
Computers
Controllers
Intelligent Instruments
Critical µP/µC
Power Monitoring
TOP VIEW
RESET, RESET
SOT23, Low-Power µP Supervisory Circuits
GND
MR
________________________________________________________________ Maxim Integrated Products
1
2
3
General Description
SOT23-6
MAX6361
Pin Configurations
Fax Machines
Industrial Control
POS Equipment
Portable/Battery-Powered
Equipment
6
5
4
Applications
BATT
OUT
V
CC
Note: These parts offer a choice of reset threshold voltages.
From Table 1, select the suffix corresponding to the desired
threshold voltage and insert it into the part number to complete
it. When ordering from the factory, there is a 2500-piece mini-
mum on the SOT package (tape-and-reel only).
o Low +1.2V Operating Supply Voltage
o Precision Monitoring of +5.0V, +3.3V, +3.0V, and
o Debounced Manual Reset Input (MAX6361)
o Battery-On Output Indicator (MAX6363)
o Auxiliary User-Adjustable RESET IN (MAX6364)
o Three Available Output Structures
o RESET/RESET Valid Down to 1.2V Guaranteed
o Power-Supply Transient Immunity
o 150ms (min) Reset Timeout Period
o Small 6-Pin SOT23 Package
MAX6361LUT_ _-T
MAX6361PUT_ _-T
MAX6361HUT_ _-T
MAX6363LUT_ _-T
MAX6363PUT_ _-T
MAX6363HUT_ _-T
MAX6364LUT_ _-T
MAX6364PUT_ _-T
MAX6364HUT_ _-T
(V
+2.5V Power-Supply Voltages
(V
CC
CC
Push-Pull RESET, Open-Drain RESET,
Push-Pull RESET
with Battery Backup
PART
or V
or V
BATT
BATT
)
)
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
Ordering Information
PIN-PACKAGE
6 SOT23-6
6 SOT23-6
6 SOT23-6
6 SOT23-6
6 SOT23-6
6 SOT23-6
6 SOT23-6
6 SOT23-6
6 SOT23-6
Features
1

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MAX6362 Summary of contents

Page 1

Rev 0; 1/00 SOT23, Low-Power µP Supervisory Circuits General Description The MAX6361/MAX6363/MAX6364 supervisory circuits reduce the complexity and number of components required for power-supply monitoring and battery control functions in microprocessor (µP) systems. The circuits sig- nificantly improve system ...

Page 2

SOT23, Low-Power µP Supervisory Circuits with Battery Backup ABSOLUTE MAXIMUM RATINGS Terminal Voltages (with respect to GND BATT, OUT...................................................-0.3V to +6V CC RESET (open drain)..............................................-0.3V to +6V BATT ON, MR, RESET IN .....................-0. RESET, RESET......................................-0.3V to ...

Page 3

SOT23, Low-Power µP Supervisory Circuits ELECTRICAL CHARACTERISTICS (continued +2.4V to +5.5V 3V BATT noted.) (Note 1) PARAMETER SYMBOL V RESET Output Voltage V V RESET Output Voltage V RESET Output Leakage Current MANUAL RESET ...

Page 4

SOT23, Low-Power µP Supervisory Circuits with Battery Backup (T = +25°C, unless otherwise noted.) A SUPPLY CURRENT vs. TEMPERATURE (NO LOAD BATT -40 - ...

Page 5

SOT23, Low-Power µP Supervisory Circuits (T = +25°C, unless otherwise noted.) A MAX6364 RESET IN THRESHOLD vs. TEMPERATURE 1.236 1.235 1.234 -40 - TEMPERATURE (°C) PIN NAME Active-High Reset Output (for H versions). RESET remains high while ...

Page 6

SOT23, Low-Power µP Supervisory Circuits with Battery Backup Backup-Battery Switchover In a brownout or power failure, it may be necessary to preserve the contents of the RAM. With a backup bat- tery installed at BATT, the MAX6361/MAX6363/ MAX6364 automatically switch ...

Page 7

SOT23, Low-Power µP Supervisory Circuits MANUAL RESET INPUT, PART MR  MAX6361LUT_ _  MAX6361PUT_ _  MAX6361HUT_ _ MAX6363LUT_ _ MAX6363PUT_ _ MAX6363HUT_ _ MAX6364LUT_ _ MAX6364PUT_ _ MAX6364HUT_ _ PART TOP MARK MAX6361LUT23 AAEI MAX6361LUT26 AAEH MAX6361LUT29* AAEG ...

Page 8

SOT23, Low-Power µP Supervisory Circuits with Battery Backup Pin Configurations (continued) TOP VIEW RESET, RESET 1 MAX6363 GND 2 BATT ON 3 SOT23-6 RESET, RESET 1 MAX6364 GND 2 RESET IN 3 SOT23-6 Maxim cannot assume responsibility for use of ...

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