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PDF TC54VCxxxx Data sheet ( Hoja de datos )
| Número de pieza | TC54VCxxxx | |
| Descripción | Voltage Detector | |
| Fabricantes | Microchip Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TC54VCxxxx (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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M
Voltage Detector
TC54
Features
• Precise Detection Thresholds: Standard ±2.0%,
Custom ±1.0%
• Small Packages: 3-Pin SOT-23A, 3-Pin SOT-89,
5-Pin SOT-23A (7.7V only)
www.DataSheet4U.com• Low Current Drain: Typ. 1µA
• Wide Detection Range: 1.1V to 6.0V and 7.7V
• Wide Operating Voltage Range: 0.7V to 10V
Applications
• Battery Voltage Monitoring
• Microprocessor Reset
• System Brown-out Protection
• Switching Circuit in Battery Backup
• Level Discriminator
Device Selection Table
Part Number
Package
Temp. Range
TC54-xxxxxxxxxxx 3-Pin SOT-23A -40°C to +85°C
TC54-xxxxxxxxxxx 3-Pin SOT-89 -40°C to +85°C
TC54-xxxxxxxxxxx 5-Pin SOT-23A -40°C to +85°C
Other output voltages are available. Please contact Microchip
Technology Inc. for details.
Package Type
3-Pin SOT-23A
VIN
2
3-Pin SOT-89
TC54
1
VOUT
3
VSS
TC54
1 23
VOUT VIN VSS
5-Pin SOT-23A
NC NC
54
TC54
1 23
VOUT VIN VSS
NOTE: 3-Pin SOT-23A is equivalent to the EIAJ SC-59.
5-Pin SOT-23A is equivalent to the EIAJ SC-74A.
General Description
The TC54 Series are CMOS voltage detectors, suited
especially for battery-powered applications because of
their extremely low 1µA operating current and small
surface-mount packaging. Each part is laser trimmed to
the desired threshold voltage which can be specified
from 1.1V to 6.0V and 7.7V, for a 2% and 1.5V to 6.0V
for a 1% tolerance.
The device includes a comparator, low-current high-
precision reference, laser-trimmed divider, hysteresis
circuit and output driver. The TC54 is available with
either an open-drain or complementary output stage.
In operation, the TC54's output (VOUT) remains in the
logic HIGH state as long as VIN is greater than the
specified threshold voltage (VDET -). When VIN falls
below VDET - the output is driven to a logic LOW. VOUT
remains LOW until VIN rises above VDET - by an
amount VHYST, whereupon it resets to a logic HIGH.
Functional Block Diagram
2 TC54VC only
VIN
– VOUT
1
+
VREF
TC54VN has open-drain output.
TC54VC has complementary output.
VSS
3
2002 Microchip Technology Inc.
DS21434C-page 1
1 page  
5.0 PACKAGING INFORMATION
5.1 Package Marking Information
1 represents output configuration (CMOS or Nch)
and first integer of voltage
www.DataSheet4U.com Ex: CMOS 3.x = D
Symbol
B
C
D
E
F
H
Output
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
Voltage
1.
2.
3.
4.
5.
6.
Symbol
L
M
N
P
R
S
T
Output
Nch
Nch
Nch
Nch
Nch
Nch
Nch
Voltage
1.
2.
3.
4.
5.
6.
7.
2 represents first decimal of output voltage (0-9)
Ex: CMOS 3.x = D 4
3 & 4 represents assembly lot code
TC54
3
1 represents output configuration and first integer
of voltage
Symbol
T
Output
Nch
Voltage
7.
2 represents first decimal of output voltage
Symbol
0
1
2
3
4
5
6
7
8
9
Voltage
.0
.1
.2
.3
.4
.5
.6
.7
.8
.9
3 & 4 represents assembly lot code
2002 Microchip Technology Inc.
DS21434C-page 5
5 Page 
TC54
www.DataSheet4U.com
Information contained in this publication regarding device
applications and the like is intended through suggestion only
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
No representation or warranty is given and no liability is
assumed by Microchip Technology Incorporated with respect
to the accuracy or use of such information, or infringement of
patents or other intellectual property rights arising from such
use or otherwise. Use of Microchip’s products as critical com-
ponents in life support systems is not authorized except with
express written approval by Microchip. No licenses are con-
veyed, implicitly or otherwise, under any intellectual property
rights.
Trademarks
The Microchip name and logo, the Microchip logo, FilterLab,
KEELOQ, microID, MPLAB, MXDEV, PIC, PICmicro,
PICMASTER, PICSTART, PRO MATE, SEEVAL and The
Embedded Control Solutions Company are registered trade-
marks of Microchip Technology Incorporated in the U.S.A. and
other countries.
dsPIC, dsPICDEM.net, ECONOMONITOR, FanSense,
FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP,
ICEPIC, microPort, Migratable Memory, MPASM, MPLIB,
MPLINK, MPSIM, MXLAB, PICC, PICDEM, PICDEM.net,
rfPIC, Select Mode and Total Endurance are trademarks of
Microchip Technology Incorporated in the U.S.A.
Serialized Quick Turn Programming (SQTP) is a service mark
of Microchip Technology Incorporated in the U.S.A.
All other trademarks mentioned herein are property of their
respective companies.
© 2002, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
2002 Microchip Technology Inc.
DS21434C-page 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet TC54VCxxxx.PDF ] | |
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