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MAX6714DUB+

P1-P3P4-P6P7-P9P10-P12P13-P13
General Description
The MAX6709/MAX6714 quad voltage monitors provide
accurate monitoring of up to four supplies without any
external components. A variety of factory-trimmed thresh-
old voltages and supply tolerances are available to opti-
mize the MAX6709/MAX6714 for specific applications.
The selection includes input options for monitoring 5.0V,
3.3V, 3.0V, 2.5V, and 1.8V voltages. Additional high-input-
impedance comparator options can be used as
adjustable voltage monitors, general-purpose compara-
tors, or digital-level translators.
The MAX6709 provides four independent open-drain
outputs with 10µA internal pullup to V
CC
. The MAX6714
provides an active-low, open-drain RESET output with
integrated reset timing and three power-fail comparator
outputs.
Each of the monitored voltages is available with trip
thresholds to support power-supply tolerances of either
5% or 10% below the nominal voltage. An internal
bandgap reference ensures accurate trip thresholds
across the operating temperature range.
The MAX6709 consumes only 35µA (typ) of supply cur-
rent. The MAX6714 consumes only 60µA (typ) of supply
current. The MAX6709/MAX6714 operate with supply
voltages of 2.0V to 5.5V. An internal undervoltage lock-
out circuit forces all four digital outputs low when V
CC
drops below the minimum operating voltage. The four
digital outputs have weak internal pullups to V
CC
,
accommodating wire-ORed connections. Each input
threshold voltage has an independent output. The
MAX6709/MAX6714 are available in a 10-pin µMAX
package and operate over the extended (-40°C to
+85°C) temperature range.
Applications
Telecommunications
Servers
High-End Printers
Desktop and Notebook Computers
Data Storage Equipment
Networking Equipment
Multivoltage Systems
Features
♦ Monitor Four Power-Supply Voltages
♦ Precision Factory-Set Threshold Options for 5.0V,
3.3V, 3.0V, 2.5V, and 1.8V (Nominal) Supplies
♦ Adjustable Voltage Threshold Monitors Down to
0.62V
♦ High-Accuracy (±2.0%) Adjustable Threshold
Inputs
♦ Low Supply Current
MAX6709: 35µA
MAX6714: 60µA
♦ Four Independent, Active-Low, Open-Drain
Outputs with 10µA Internal Pullup to V
CC
♦ 140ms (min) Reset Timeout Period
(MAX6714 only)
♦ 2.0V to 5.5V Supply Voltage Range
♦ Immune to Supply Transients
♦ Fully Specified from -40°C to +85°C
♦ Small 10-Pin µMAX Package
MAX6709/MAX6714
Low-Voltage, High-Accuracy, Quad Voltage
Monitors in µMAX Package
________________________________________________________________ Maxim Integrated Products 1
Ordering Information
1
2
3
4
5
10
9
8
7
6
V
CC
PWRGD1
PWRGD2
PWRGD3IN4
IN3
IN2
IN1
MAX6709
µMAX
TOP VIEW
PWRGD4GND
Pin Configurations
19-2379; Rev 1; 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.
Pin Configurations continued at end of data sheet.
PART TEMP RANGE PIN-PACKAGE
MAX6709_UB* -40°C to +85°C 10 µMAX
MAX6714_UB* -40°C to +85°C 10 µMAX
Typical Operating Circuits appear at end of data sheet.
Selector Guides appear at end of data sheet.
*Insert the desired letter from the Selector Guide into the blank
to complete the part number.
Devices are available in both leaded and lead-free packaging.
Specify lead free by adding the + symbol at the end of the part
number when ordering.
MAX6709/MAX6714
Low-Voltage, High-Accuracy, Quad Voltage
Monitors in µMAX Package
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS (MAX6709)
(V
CC
= 2.0V to 5.5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
CC
= 5V and T
A
= +25°C.) (Note 1)
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 Pins to GND.........................................................-0.3V to +6V
Input/Output Current (all pins) ............................................20mA
Continuous Power Dissipation (T
A
= +70°C)
10-Pin µMAX (derate 5.6mW/°C above +70°C) ..........444mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage Range V
CC
2.0 5.5 V
V
CC
= 3V 25 50
Supply Current I
CC
V
CC
= 5V 35 65
µA
V
IN_
= input threshold voltage 25 40
Input Current I
IN_
V
IN_
= 0 to 0.85V (for adjustable threshold) 0.2
µA
5.0V (-5%)
4.50 4.63 4.75
5.0V (-10%)
4.25 4.38 4.50
3.3V (-5%)
3.00 3.08 3.15
3.3V (-10%)
2.85 2.93 3.00
3.0V (-5%)
2.70 2.78 2.85
3.0V (-10%)
2.55 2.63 2.70
2.5V (-5%)
2.25 2.32 2.38
2.5V (-10%)
2.13 2.19 2.25
1.8V (-5%)
1.62 1.67 1.71
Threshold Voltage V
TH
IN_ decreasing
1.8V (-10%)
1.53 1.58 1.62
V
Adjustable Threshold V
TH
IN_ decreasing
0.609 0.623 0.635
V
Threshold Voltage Temperature
Coefficient
TCV
TH
60
ppm/°C
Threshold Hysteresis V
HYST
0.3 x V
TH
%
V
IN
_ falling at 10mV/µs from
V
TH
to (V
TH
- 50mV)
30
Propagation Delay
t
PD
V
IN
_ rising at 10mV/µs from
V
TH
to (V
TH
+ 50mV)
5
µs
V
CC
= 5V, I
SINK
= 2mA 0.3
V
CC
= 2.5V, I
SINK
= 1.2mA 0.3
Output Low Voltage V
OL
V
CC
= 1V, I
SINK
= 50µA (Note 2) 0.3
V
Output High Voltage V
OH
V
CC
≥ 2.0V, I
SOURCE
= 6µA (min), PWRGD_
unasserted
0.8 x V
CC
V
Output High Source Current I
OH
V
CC
≥ 2.0V, PWRGD_ unasserted
10 µA
MAX6709/MAX6714
Low-Voltage, High-Accuracy Quad, Voltage
Monitors in µMAX Package
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (MAX6714)
(V
CC
= 2.0V to 5.5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
CC
= 5V and T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
Supply Voltage Range V
CC
2.0 5.5 V
V
CC
= 3V 60 90
Supply Current (Note 3) I
CC
V
CC
= 5V 80
105
µA
Power-Fail Input Current I
PFI_
V
PFI_
= 0 to 0.85V 0.2 µA
MAX6714B (-5%)
4.50 4.63 4.75
MAX6714A (-10%)
4.25 4.38 4.50
MAX6714D (-5%)
3.00 3.08 3.15
V
CC
Reset Threshold V
TH
V
CC
decreasing
MAX6714C (-10%)
2.85 2.93 3.00
V
Power-Fail Input Threshold V
PFI
V
PFI_
decreasing
0.609 0.623 0.635
V
Threshold Hysteresis
V
HYST
VPFI_ increasing relative to V
PFI_
decreasing 0.3 x V
TH
%
Reset Timeout Period t
RP
140 210 280
ms
Reset Delay t
RD
V
CC
falling at 10mV/µs from
(V
TH
+ 100mV) to (V
TH
- 100mV)
30 µs
V
PFI_
falling at 10mV/µs from V
TH
to
(V
TH
- 50mV)
30
Power-Fail Propagation Delay t
PFD
V
CC
falling at 10mV/µs from
(V
TH
+ 100mV) to (V
TH
- 100mV)
5
µs
V
IL
0.3 x V
CC
MR Input Voltage
V
IH
0.7 x V
CC
V
MR Minimum Input Pulse 1µs
MR Glitch Rejection
100
ns
MR to RESET Delay t
MRD
200
ns
MR Pullup Resistance MR to V
CC
10 20 50 kΩ
V
CC
= 5V, I
SINK
= 2mA 0.3
V
CC
= 2.5V, I
SINK
= 1.2mA 0.3
Output Low Voltage V
OL
V
CC
= 1V, I
SINK
= 50µA (Note 2) 0.3
V
Output High Voltage V
OH
V
CC
≥ 2.0V, I
SOURCE
= 6mA (min), RESET,
PFO_ unasserted
0.8 x V
CC
V
Output High Source Current I
OH
V
CC
≥ 2.0V, RESET and PFO_ unasserted 10 µA
Note 1: 100% production tested at T
A
= +25°C. Overtemperature limits guaranteed by design.
Note 2: Condition at V
CC
= 1V is guaranteed only from T
A
= 0°C to +70°C.
Note 3: Monitored voltage 5V/3.3V is also the device supply. In the typical condition, supply current splits as follows: 25µA for the
resistor-divider, and the rest for other circuitry.
P1-P3P4-P6P7-P9P10-P12P13-P13

MAX6714DUB+

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Buy MAX6714DUB+
Manufacturer:
Maxim Integrated
Description:
Supervisory Circuits Quad Voltage Monitor
Lifecycle:
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