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PDF MAX6709 Data sheet ( Hoja de datos )
| Número de pieza | MAX6709 | |
| Descripción | Low-Voltage / High-Accuracy / Quad Voltage Monitors in MAX Package | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX6709 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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19-2379; Rev 0; 4/02
Low-Voltage, High-Accuracy, Quad Voltage
Monitors in µMAX Package
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 VCC. 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 VCC
drops below the minimum operating voltage. The four
digital outputs have weak internal pullups to VCC,
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
Typical Operating Circuits appear at end of data sheet.
Selector Guides appear at end of data sheet.
Features
o Monitor Four Power-Supply Voltages
o Precision Factory-Set Threshold Options for 5.0V,
3.3V, 3.0V, 2.5V, and 1.8V (Nominal) Supplies
o Adjustable Voltage Threshold Monitors Down to
0.62V
o High-Accuracy (±2.0%) Adjustable Threshold
Inputs
o Low Supply Current
MAX6709: 35µA
MAX6714: 60µA
o Four Independent, Active-Low, Open-Drain
Outputs with 10µA Internal Pullup to VCC
o 140ms (min) Reset Timeout Period
(MAX6714 only)
o 2.0V to 5.5V Supply Voltage Range
o Immune to Supply Transients
o Fully Specified from -40°C to +85°C
o Small 10-Pin µMAX Package
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
MAX6709_UB*
-40°C to +85°C 10 µMAX
MAX6714_UB*
-40°C to +85°C 10 µMAX
*Insert the desired letter from the Selector Guide into the blank
to complete the part number.
Pin Configurations
TOP VIEW
IN1 1
IN2 2
IN3 3
IN4 4
GND 5
MAX6709
µMAX
10 VCC
9 PWRGD1
8 PWRGD2
7 PWRGD3
6 PWRGD4
Pin Configurations continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1
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.
1 page  
Low-Voltage, High-Accuracy Quad, Voltage
Monitors in µMAX Package
Typical Operating Characteristics (continued)
(VCC = 5V, TA = +25°C, unless otherwise noted.)
PROPAGATION DELAY
(WITH 100mV OVERDRIVE)
MAX6709/14 toc10
PFO_ PULLUP AND PULLDOWN RESPONSE
(CPFO_ = 47pF)
MAX6709/14 toc11
IN_ (PFI_)
100mV/div
AC-COUPLED
PFI_
50mV/div
AC-COUPLED
10µs/div
PWRGD_ (PFO_)
2V/div
10µs/div
RESET TIMEOUT DELAY
MAX6709/14 toc12
MR
2V/div
PFO_
2V/div
40ms/div
RESET
2V/div
_______________________________________________________________________________________ 5
5 Page 
Low-Voltage, High-Accuracy Quad, Voltage
Monitors in µMAX Package
Selector Guide (MAX6709)
NOMINAL INPUT VOLTAGE
PART
IN1
(V)
IN2
(V)
IN3
(V)
IN4
(V)
SUPPLY
TOLERANCE
(%)
MAX6709AUB 5 3.3 2.5 Adj*
10
MAX6709BUB 5 3.3 2.5 Adj*
5
MAX6709CUB 5 3.3 1.8 Adj*
10
MAX6709DUB 5 3.3 1.8 Adj*
5
MAX6709EUB Adj* 3.3 2.5 1.8
10
MAX6709FUB Adj* 3.3 2.5 1.8
5
MAX6709GUB 5 3.3 Adj* Adj*
10
MAX6709HUB 5 3.3 Adj* Adj*
5
MAX6709IUB Adj* 3.3 2.5 Adj*
10
MAX6709JUB Adj* 3.3 2.5 Adj*
5
MAX6709KUB Adj* 3.3 1.8 Adj*
10
MAX6709LUB Adj* 3.3 1.8 Adj*
5
MAX6709MUB Adj* 3 Adj* Adj*
10
MAX6709NUB Adj* 3 Adj* Adj*
5
MAX6709OUB Adj* Adj* Adj* Adj*
N/A
*Adjustable voltage based on 0.62V internal threshold. External
threshold voltage can be set using an external resistor-divider.
Selector Guide (MAX6714)
NOMINAL INPUT VOLTAGE
PART
SUPPLY
VCC
(V)
PFI1
(V)
PFI2
(V)
PFI3
(V)
TOLERANCE
(%)
MAX6714AUB 5 Adj* Adj* Adj*
10
MAX6714BUB 5 Adj* Adj* Adj*
5
MAX6714CUB 3.3 Adj* Adj* Adj*
10
MAX6714DUB 3.3 Adj* Adj* Adj*
5
*Adjustable voltage based on 0.62V internal threshold. External
threshold voltage can be set using an external resistor-divider.
Pin Configurations (continued)
TOP VIEW
MR 1
PFI1 2
PFI2 3
PFI3 4
GND 5
MAX6714
µMAX
10 VCC
9 RESET
8 PFO1
7 PFO2
6 PFO3
Chip Information
TRANSISTOR COUNT: 1029
PROCESS: BiCMOS
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet MAX6709.PDF ] | |
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