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MCP9502PT-065E/OT

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
MCP9501/2/3/4
DS22268A-page 10 © 2011 Microchip Technology Inc.
4.1.2 POWER SUPPLY REJECTION
The MCP9501/2/3/4 family does not require any
additional components. However, it is recommended
that a decoupling capacitor of 0.1 µF to 1 µF be used
between the V
DD
and GND pins. A high-frequency
ceramic capacitor is recommended. It is necessary for
the capacitor to be located as close as possible to the
power pins in order to provide effective noise
protection.
FIGURE 4-5: Power-supply Filter using a
Single Resistor.
For applications where a switching regulator is used to
power the sensor, it is recommended to add a 200Ω
resistor in series to V
DD
to filter out the switcher noise.
It is also recommended to add the series resistor in
applications where a linear regulator is used to
step-down a switching regulator voltage to power the
sensor, as shown in Figure 4-5. For example, if a
linearly regulated 3.3V from a 5V switching regulator is
used to power the sensor, add a 200Ω series resistor.
The MCP9501/2/3/4 family of sensors is designed to
prevent false output trigger due to high frequency
power supply or system noise. Figure 4-6 shows the
device performance with a high frequency signal added
on V
DD
. The output is not triggered due to the signal
added on V
DD
. With some applications, it is
recommended to add a bypass capacitor of 0.1 µF to
1µF.
FIGURE 4-6: Power Supply Rejection.
V
DD
200Ω
MCP9501/2/3/4
Switching
Regulator
0.1 µF
bypass
V
DD
200Ω
MCP9501/2/3/4
Switching
Regulator
0.1 µF
bypass
Regulator
Linear
0
1
2
3
4
5
6
10 100 1000 10000 100000 1000000 10000000
O
u
t
p
u
t
V
o
l
t
a
g
e
(
V
)
Frequency (Hz)
MCP9501/2/3/4 T
SET
= 25\C Power Supply Rejection
No False Trigger
1
0
k
1
0
0
k
1
M
1
0
M
1
k
1
0
0
1
0
V
DD
= 5V + 400mV
AC
V
DD
= 5V + 400mV
SQR
T
SET
= 25\C
T
A
= 23\C
°
°
°
Frequency (Hz)
Output Voltage (V)
© 2011 Microchip Technology Inc. DS22268A-page 11
MCP9501/2/3/4
NOTES:
MCP9501/2/3/4
DS22268A-page 12 © 2011 Microchip Technology Inc.
5.0 PACKAGING INFORMATION
5.1 Package Marking Information
1 23
5
4
5-Lead SOT-23
Example:
XXNN
1 23
5
4
XL25
Device Code Device Code
Hot Options
MCP9501PT-005E/OT WVNN MCP9502PT-005E/OT XLNN
MCP9501PT-015E/OT WWNN MCP9502PT-015E/OT XMNN
MCP9501PT-025E/OT WXNN MCP9502PT-025E/OT XPNN
MCP9501PT-035E/OT WYNN MCP9502PT-035E/OT XQNN
MCP9501PT-045E/OT WZNN MCP9502PT-045E/OT XRNN
MCP9501PT-055E/OT X1NN MCP9502PT-055E/OT XSNN
MCP9501PT-065E/OT X2NN MCP9502PT-065E/OT XTNN
MCP9501PT-075E/OT X3NN MCP9502PT-075E/OT XUNN
MCP9501PT-085E/OT X4NN MCP9502PT-085E/OT XVNN
MCP9501PT-095E/OT X5NN MCP9502PT-095E/OT XWNN
MCP9501PT-105E/OT X6NN MCP9502PT-105E/OT XXNN
MCP9501PT-115E/OT X7NN MCP9502PT-115E/OT XYNN
MCP9501PT-125E/OT X8NN MCP9502PT-125E/OT XZNN
MCP9503PT-005E/OT XHNN MCP9501PT-005E/OT Y9NN
MCP9503PT-015E/OT XJNN MCP9501PT-015E/OT YANN
MCP9503PT-125E/OT XKNN MCP9501PT-025E/OT YBNN
Cold Options
MCP9503NT-005E/OT XBNN MCP9501NT-005E/OT Y3NN
MCP9503NT-015E/OT XCNN MCP9501NT-015E/OT Y4NN
MCP9503NT-025E/OT XDNN MCP9501NT-025E/OT Y5NN
MCP9503NT-035E/OT XENN MCP9501NT-035E/OT Y6NN
Legend: XX...X Customer-specific information
Y Year code (last digit of calendar year)
YY Year code (last 2 digits of calendar year)
WW Week code (week of January 1 is week ‘01’)
NNN Alphanumeric traceability code
Pb-free JEDEC designator for Matte Tin (Sn)
* This package is Pb-free. The Pb-free JEDEC designator ( )
can be found on the outer packaging for this package.
Note: In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available
characters for customer-specific information.
3
e
3
e
Note: Contact Microchip for all other
threshold options.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

MCP9502PT-065E/OT

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Description:
Board Mount Temperature Sensors Factory Prog Temp SW Act Hi puch-pull out
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