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MAX6465XR46+

P1-P3P4-P6P7-P9P10-P10
General Description
The MAX6461–MAX6466 family of ultra-low-power voltage
detectors and µP reset supervisory circuits monitors bat-
tery, power-supply, and system voltages. Each circuit
includes a precision bandgap reference, a comparator,
internally trimmed resistor networks that set specified trip
thresholds, and an internal 5% threshold hysteresis circuit
(see the Functional Diagram). Output is asserted when
V
CC
falls below the internal V
TH-
and remains asserted
until V
CC
rises above V
TH
+ (V
TH
+ = V
TH
- × 1.05). These
devices provide excellent circuit reliability and low cost
by eliminating external components and adjustments
when monitoring nominal system voltages from +1.6V to
+5.5V. The MAX6461/MAX6462/MAX6463 are voltage
detectors with a propagation delay of 17µs.
The MAX6464/MAX6465/MAX6466 are µP supervisory
circuits with a minimum reset timeout period of 150ms. All
devices are available with thresholds from +1.6V to +5.5V
in 100mV increments.
The family is available with three output stage options:
push-pull with active-low output, push-pull with active-
high output, and open drain with active-low output. These
devices are available in SC70 and SOT23 packages
specified over the -40°C to +125°C temperature range.
Applications
Precision Battery Monitoring
Load Switching/Power Sequencing
Power-Supply Monitoring in Digital/Analog
Systems
Noise-Immune µP Reset Circuits
Portable/Battery-Powered Equipment
Cellular Phones/Cordless Phones
PDAs
Portable Medical Devices
Features
♦ Ultra-Low 1.0µA Supply Current
♦ Preset Thresholds from +1.6V to +5.5V in 100mV
Increments
♦ Internal 5% Threshold Hysteresis
♦ ±2.5% Threshold Accuracy Over Temperature
♦ Internal Timeout Period Option (150ms min)
♦ Immune to Short Voltage Transients
♦ No External Components
♦ Available in Three Output Options: Push-Pull
(Active Low/Active High) and Open Drain (Active
Low)
♦ Fully Specified from -40°C to +125°C
♦ Small SC70 and SOT23 Packages
MAX6461–MAX6466
Ultra-Low-Power Voltage Detectors and
µP Supervisory Circuits
________________________________________________________________ Maxim Integrated Products 1
TOP VIEW
(OUT)/OUT
1
3V
CC
GND
MAX6461–
MAX6466
SC70-3
2
GND
(OUT)/OUTGND
15V
CC
N.C.
MAX6461–
MAX6466
SOT23-5
2
34
GND
1
3V
CC
MAX6461–
MAX6466
SOT23-3
2
(OUT)/OUT
( ) ARE FOR THE MAX6462/MAX6465 ONLY
Pin Configurations
Ordering Information
19-2533; Rev 2; 12/05
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
PART TEMP RANGE PIN-PACKAGE
MAX6461XR_ _-T
-40°C to +125°C
3 SC70-3
MAX6461UR_ _-T
-40°C to +125°C
3 SOT23-3
MAX6461UK_ _-T
-40°C to +125°C
5 SOT23-5
MAX6462XR_ _-T
-40°C to +125°C
3 SC70-3
MAX6462UR_ _-T
-40°C to +125°C
3 SOT23-3
MAX6462UK_ _-T
-40°C to +125°C
5 SOT23-5
Ordering Information continued at end of data sheet.
Selector Guide appears at end of data sheet.
The MAX6461–MAX6466 are available in factory-set thresholds
from 1.6V to 5.5V in approximately 100mV increments. Choose
the desired voltage threshold suffix from Table 1 and insert it in
the blank spaces in the part number. There are 30 standard ver-
sions with a required order increment of 2500 pieces. Sample
stock generally is held on the standard versions only (Table 2).
Nonstandard versions require a 10k-piece order increment.
Contact factory for availability. All devices available in tape-and-
reel only.
Devices are available in both leaded and lead-free packaging.
Specify lead-free by replacing “-T” with “+T” when ordering.
MAX6461–MAX6466
Ultra-Low-Power Voltage Detectors and
µP Supervisory Circuits
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
CC
= +1.2V to +6V, T
A
= -40°C to +125°C. Typical values are at T
A
= +25°C, unless otherwise noted.) (Note1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
(All voltages referenced to GND unless otherwise noted.)
V
CC
, Open-Drain OUT..............................................-0.3V to +7V
Push-Pull OUT/
OUT....................................-0.3V to (V
CC
+ 0.3V)
Input/Output Current (all pins) ............................................20mA
Output Short Circuit (V
CC
or GND)
Continuous Power Dissipation (T
A
= +70°C)
3-Pin SC70 (derate 2.9mW/°C above +70°C)...........228.6mW
3-Pin SOT23 (derate 4.0mW/°C above +70°C)............320mW
5-Pin SOT23 (derate 7.1mW/°C above +70°C)............571mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
T
A
= 0°C to +125°C 1 6
Operating Voltage Range V
CC
T
A
= -40°C to 0°C 1.2 6.0
V
V
CC
= 3.6V, T
A
= -40°C to +125°C,
no load, output not asserted
12
V
CC
= 5.0V, T
A
= -40°C to +85°C,
no load, output not asserted
1.3 2.5
V
CC
Supply Current I
CC
V
CC
= 5.0V, T
A
= +85°C to +125°C,
no load, output not asserted
3.5
µA
V
CC
rising, T
A
= +25°C
(V
TH
+)
× 0.985
V
TH
+
(V
TH
+)
× 1.015
V
TH
+
V
CC
rising, T
A
= -40°C to +125°C
(V
TH
+)
× 0.975
(V
TH
+)
× 1.025
V
CC
falling, T
A
= +25°C
(V
TH
-)
× 0.985
V
TH
-
(V
TH
-)
× 1.015
Voltage Threshold
(Note 2)
V
TH
-
V
CC
falling, T
A
= -40°C to +125°C
(V
TH
-)
× 0.975
(V
TH
-)
× 1.025
V
Voltage Threshold Hysteresis V
HYST
V
HYST
= [(V
TH
+) - (V
TH
-)] / (V
TH
-)] × 100%
3 4.5 6 %
V
CC
falling at 10mV/µs from
(V
TH
-) + 100mV to (V
TH
-) - 100mV
17
Propagation Delay t
P
V
CC
rising at 10mV/µs
from (V
TH
+) - 100mV to
(V
TH
+) + 100mV
MAX6461/
MAX6462/
MAX6463 only
100
µs
Startup Time
(MAX6461/MAX6462/MAX6463)
225
µs
Output Timeout Period
(MAX6464/MAX6465/MAX6466)
t
RP
150 260 430
ms
MAX6461–MAX6466
Ultra-Low-Power Voltage Detectors and
µP Supervisory Circuits
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +1.2V to +6V, T
A
= -40°C to +125°C. Typical values are at T
A
= +25°C, unless otherwise noted.) (Note1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
UNITS
V
CC
≥ 1.2V, I
SINK
= 1.0mA, OUT asserted 0.3
V
CC
≥ 2.5V, I
SINK
= 4.0mA, OUT asserted 0.3
OUT Output Low (Open Drain or
Push-Pull)
V
OL
V
CC
≥ 4.5V, I
SINK
= 9.0mA, OUT asserted 0.4
V
V
CC
≥ 1.8V, I
SOURCE
= 1.5mA,
OUT not asserted
0.8 ×
V
CC
V
CC
≥ 2.5V, I
SOURCE
= 3.0mA,
OUT not asserted
0.8 ×
V
CC
OUT Output High (Push-Pull) V
OH
V
CC
≥ 4.5V, I
SOURCE
= 8.0mA,
OUT not asserted
0.8 ×
V
CC
V
OUT Output Open-Drain Leakage
Current
I
LKG
OUT not asserted, V
OUT
= +6V
100
nA
V
CC
≥ 1.2V, I
SOURCE
= 200µA,
OUT asserted
0.8 ×
V
CC
V
CC
≥ 1.8V, I
SOURCE
= 1.5mA,
OUT asserted
0.8 ×
V
CC
V
CC
≥ 2.5V, I
SOURCE
= 3.0mA,
OUT asserted
0.8 ×
V
CC
OUT Output High (Push-Pull) V
OH
V
CC
≥ 4.5V, I
SOURCE
= 8.0mA,
OUT asserted
0.8 ×
V
CC
V
V
CC
≥ 2.5V, I
SINK
= 4.0mA,
OUT not asserted
0.3
OUT Output Low (Push-Pull) V
OL
V
CC
≥ 4.5V, I
SINK
= 9.0mA,
OUT not asserted
0.4
V
Note 1: 100% production testing done at +25°C. Limits over temperature are guaranteed by design.
Note 2: See Table 1 for V
TH
- and V
TH
+ values.
Typical Operating Characteristics
(V
CC
= 5V, T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. TEMPERATURE
MAX6461 toc01
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
1109580655035205-10-25
1.20
1.25
1.30
1.35
1.40
1.45
1.15
-40 125
V
CC
= 5V, NO LOAD
PROPAGATION DELAY (RISING)
vs. TEMPERATURE
MAX6461 toc02
TEMPERATURE (°C)
PROPAGATION DELAY (µs)
1109580655035205-10-25
70
80
90
100
110
120
60
-40 125
V
CC
RISING AT 200mV/µs FROM
((V
TH
+) - 100mV) TO ((V
TH
+) + 100mV)
PROPAGATION DELAY (FALLING)
vs. TEMPERATURE
MAX6461 toc03
TEMPERATURE (°C)
PROPAGATION DELAY (µs)
1109580655035205-10-25
5
10
15
20
25
30
35
40
0
-40 125
V
CC
FALLING AT 200mV/µs FROM
((V
TH
-) + 100mV) TO ((V
TH
-) - 100mV)
P1-P3P4-P6P7-P9P10-P10

MAX6465XR46+

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Buy MAX6465XR46+
Manufacturer:
Maxim Integrated
Description:
IC REGULATOR
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