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PDF PT7M6709 Data sheet ( Hoja de datos )
| Número de pieza | PT7M6709 | |
| Descripción | Multi-voltage Supervisor | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PT7M6709 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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PT7M6709/6714
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Multi-voltage Supervisor
Features
Description
Monitor 4 Power-Supply Voltages
Factory-trimmed or User-Adjustable Threshold
Options:
Factory-trimmed Thresholds for 5.0V, 3.3V, 3.0V,
2.5V and 1.8V supplies
User-adjustable Threshold monitors down to
0.62V
Low Current:
PT7M6709: 15μA typical
PT7M6714: 20μA typical
4 Independent, Active Low, and Open-Drain outputs
with 10μA internal Pull-up to Vcc
140ms Minimum Reset Timeout Period (PT7M6714
only)
Immune to Battery Voltage Transients
2.0V to 5.5V Supply Voltage Range
-40°C to + 85°C Operating Temperature Range
Small MSOP-10 Package
Pin Configuration
PT7M6709
1 IN1 Vcc 10
2 IN2 PWRGD1 9
3 IN3 PWRGD2 8
4 IN4 PWRGD3 7
5 GND PWRGD4 6
MSOP
PT7M6714
The PT7M6709/6714 quad voltage monitors provide
accurate monitoring of up to four supplies without any
external components. A variety of factory-trimmed
threshold voltages and supply tolerance are available to
optimize the PT7M6709/6714 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 compare-
ators, or digital-level translators.
The PT7M6709 provides four independent open-drain
outputs with 10μA internal pull-up to Vcc. The
PT7M6714 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 PT7M6709 consumes only 15μA (typical) of supply
current. The PT7M6714 consumes only 20μA (typical)
of supply current. The PT7M6709/6714 operates with
supply voltages of 2.0V to 5.5V. An internal under-
voltage lockout circuit forces all four digital outputs low
when Vcc drops below the minimum operating voltage.
The four digital outputs have weak internal pull-ups to
Vcc, accommodating wire-ORed connections. Each
input threshold voltage has an independent output. The
PT7M6709/6714 are available in MSOP-10 packages
and operate over the extended (-40°C to + 85°C)
temperature range.
1 MR Vcc 10
2 PFI1 RESET 9
3 PFI2 PFO1 8
4 PFI3 PFO2 7
5 GND PFO3 6
Applications
Tele-communications
Servers
High-End Printers
Desktop and Notebook Computers
Data Storage Equipment
Networking Equipment
Multi-voltage Systems
MSOP
12-07-0002
PT0235-2
07/05/12
1
1 page  
PT7M6709/6714
Multi-voltage Supervisor
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PT7M6714 (VCC = 2.0V to 5.5V, TA= -40~+85ºC, unless otherwise noted. Typical values are at VCC = 5V and TA = +25ºC)*1
Description
Supply Voltage Range
Supply Current *3
Power-Fail
Input Current
VCC Reset Threshold
Power-Fail
input Threshold
Sym
VCC
ICC
IPFI_
VTH
VPFI
-
VCC = 3V
VCC = 5V
Test Conditions
VPFI_ =0 to 0.85V
VCC decreasing
VPFI _ decreasing
PT7M6714B (-5%)
PT7M6714A (-10%)
PT7M6714D (-5%)
PT7M6714C (-10%)
Min
2.0
-
-
-
4.50
4.25
3.00
2.85
0.609
Typ
-
20
30
-
4.63
4.38
3.08
2.93
0.623
Max
5.5
35
45
0.2
4.75
4.50
3.15
3.00
0.635
Unit
V
µA
µA
V
V
Threshold Hysteresis
VHYST
VPFI _ increasing relative to
VPFI _ decreasing
- 0.3×VTH -
%
MR Input Voltage
MR Pull-up Resistance
Output High Voltage
VIL -
VIH -
MR to VCC
VOH
VCC ≥ 2.0V, Isource = 6A(min),
RESET, PFO_ unasserted
- - 0.3×Vcc
V
0.7×Vcc
-
-
10 20 50 kΩ
0.8×Vcc
-
-V
VCC = 5V, Isink = 2mA
- - 0.3
Output Low Voltage
VOL VCC = 2.5V, Isink = 1.2mA
- - 0.3 V
VCC = 1V, Isink = 50A*2
- - 0.3
Output High Source
Current
IOH VCC ≥ 2.0V, RESET and PFO_ unasserted - 10 - A
Note:
*1: 100% production tested at TA = +25ºC. Over temperature limits are guaranteed by design.
*2: Conditions at VCC = 1V is guaranteed only from TA = 0ºC to +70ºC.
*3: Monitored voltage 5V/3.3V is also the device supply. In the typical condition, supply current splits as follows:25A for the
resistor-divider, and the rest is for other circuitry.
12-07-0002
PT0235-2
07/05/12
5
5 Page 
PT7M6709/6714
Multi-voltage Supervisor
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Mechanical Information
MSOP-10
Note:
1)Ref : JEDEC MO-187E/BA
PKG. DIMENSIONS(MM)
SYMBOL MIN
MAX
A
0.82
1.10
A1
0.02
0.15
A2
0.75
0.95
b
0.18
0.28
c
0.09
0.23
D
2.90
3.10
E
2.90
3.10
E1
4.75
5.05
e 0.50BSC
L
0.40
0.80
θ 0° 6°
12-07-0002
PT0235-2
07/05/12
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet PT7M6709.PDF ] | |
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