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TC54VN1502EMBTR Datasheet

  • TC54VN1502EMBTR

  • Voltage Detector

  • 12頁

  • MICROCHIP   MICROCHIP

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M
Voltage Detector
Features
鈥?Precise Detection Thresholds: Standard 鹵2.0%,
Custom 鹵1.0%
鈥?Small Packages: 3-Pin SOT-23A, 3-Pin SOT-89,
5-Pin SOT-23A (7.7V only)
鈥?Low Current Drain: Typ. 1碌A
鈥?Wide Detection Range: 1.1V to 6.0V and 7.7V
鈥?Wide Operating Voltage Range: 0.7V to 10V
TC54
General Description
The TC54 Series are CMOS voltage detectors, suited
especially for battery-powered applications because of
their extremely low 1碌A 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 (V
OUT
) remains in the
logic HIGH state as long as V
IN
is greater than the
specified threshold voltage (V
DET
-). When V
IN
falls
below V
DET
- the output is driven to a logic LOW. V
OUT
remains LOW until V
IN
rises above V
DET
- by an
amount V
HYST
, whereupon it resets to a logic HIGH.
Temp. Range
-40擄C to +85擄C
Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Battery Voltage Monitoring
Microprocessor Reset
System Brown-out Protection
Switching Circuit in Battery Backup
Level Discriminator
Device Selection Table
Part Number
TC54-xxxxxxxxxxx
Package
3-Pin SOT-89
Functional Block Diagram
2
V
IN
TC54VC only
TC54-xxxxxxxxxxx 3-Pin SOT-23A -40擄C to +85擄C
TC54-xxxxxxxxxxx 5-Pin SOT-23A -40擄C to +85擄C
Other output voltages are available. Please contact Microchip
Technology Inc. for details.
鈥?/div>
+
V
OUT
1
Package Type
3-Pin SOT-23A
V
IN
2
3-Pin SOT-89
V
REF
V
SS
3
TC54
1
V
OUT
3
V
SS
1
V
OUT
2
V
IN
TC54
3
V
SS
TC54VN has open-drain output.
TC54VC has complementary output.
5-Pin SOT-23A
NC
5
NC
4
TC54
1
V
OUT
2
V
IN
3
V
SS
NOTE:
3-Pin SOT-23A is equivalent to the EIAJ SC-59.
5-Pin SOT-23A is equivalent to the EIAJ SC-74A.
錚?/div>
2002 Microchip Technology Inc.
DS21434C-page 1

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