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TC54VN1901EMB713

Description
IC,VOLT DETECTOR,FIXED,+1.9V,CMOS,TO-243,3PIN,PLASTIC
CategoryPower/power management    The power supply circuit   
File Size341KB,16 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance  
Download Datasheet Parametric View All

TC54VN1901EMB713 Overview

IC,VOLT DETECTOR,FIXED,+1.9V,CMOS,TO-243,3PIN,PLASTIC

TC54VN1901EMB713 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMicrochip
Parts packaging codeSOT-89
package instructionPLASTIC, SOT-89, 3 PIN
Contacts3
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresDETECTION THRESHOLD VOLTAGE IS 1.9V
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PSSO-F3
JESD-609 codee3
length4.5 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals3
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
Encapsulate equivalent codeTO-243
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
power supply0.7/10 V
Certification statusNot Qualified
Maximum seat height1.6 mm
Maximum supply current (Isup)0.004 mA
Maximum supply voltage (Vsup)10 V
Minimum supply voltage (Vsup)0.7 V
Nominal supply voltage (Vsup)2.1 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMATTE TIN
Terminal formFLAT
Terminal pitch1.5 mm
Terminal locationSINGLE
Threshold voltage nominal+1.9V
Maximum time at peak reflow temperature40
width2.44 mm
M
Voltage Detector
Features
• Precise Detection Thresholds: Standard ±2.0%,
Custom ±1.0%
• Small Packages: 3-Pin SOT-23A, 3-Pin SOT-89,
TO-92 and 5-Pin SOT-23A (7.7V only)
• Low Current Drain: Typ. 1 µA
• Wide Detection Range: 1.1V to 6.0V and 7.7V
• Wide Operating Voltage Range: 0.7V to 10V
TC54
General Description
The TC54 Series are CMOS voltage detectors that are
especially well suited for battery-powered applications
because of their extremely low 1 µA operating current
and small surface-mount packaging. Each part is
laser-trimmed to the desired threshold voltage, which
can be specified from 1.4V to 7.7V for a 2% tolerance,
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 spec-
ified 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.
TC54VC
only
Applications
Battery Voltage Monitoring
Microprocessor Reset
System Brown-Out Protection
Switching Circuit in Battery Backup
Level Discriminator
Functional Block Diagram
2
V
IN
V
OUT
1
Package Types
3-Pin SOT-23A
V
IN
3-Pin SOT-89
V
IN
TC54
2
V
SS
2
3
V
OUT
V
IN
V
SS
5-Pin SOT-23A
NC
NC
5
TC54
1
V
OUT
V
IN
V
SS
Note:
2
3
4
1
+
3
TC54
1
V
REF
V
SS
3
V
OUT
3-Pin TO-92
123
TC54VN has open-drain output.
TC54VC has complementary output.
V
OUT
V
IN
V
SS
3-Pin SOT-23A is equivalent to the
EIAJ SC-59
5-Pin SOT-23A is equivalent to the
EIAJ SC-74A. (7.7V ONLY)
2003 Microchip Technology Inc.
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