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TC54VN3002EMBRTP Datasheet(PDF) 1 Page - TelCom Semiconductor, Inc

Part No. TC54VN3002EMBRTP
Description  VOLTAGE DETECTOR
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Maker  TELCOM [TelCom Semiconductor, Inc]
Homepage  http://www.telcom-semi.com
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 1 page
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4-279
TELCOM SEMICONDUCTOR, INC.
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TC54
FEATURES
s
Precise Detection Thresholds .... Standard
± 2.0%
Custom
± 1.0%
s
Small Packages ........... SOT-23A-3, SOT-89, TO-92
s
Low Current Drain ..................................... Typ. 1
µA
s
Wide Detection Range .......................... 2.1V to 6.0V
s
Wide Operating Voltage Range ............ 1.5V to 10V
APPLICATIONS
s
Battery Voltage Monitoring
s
Microprocessor Reset
s
System Brownout Protection
s
Switching Circuit in Battery Backup
s
Level Discriminator
GENERAL DESCRIPTION
The TC54 Series are CMOS voltage detectors, suited
especially 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 2.1V to 6.0V,
in 0.1V steps.
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 (V
DET). When VIN falls below
V
DET, the output is driven to a logic LOW. VOUT remains
LOW until VIN rises above V
DET by an amount VHYST,
whereupon it resets to a logic HIGH.
FUNCTIONAL BLOCK DIAGRAM
VOLTAGE DETECTOR
Output form:
N = Nch Open Drain
C = CMOS Output
Detected Voltage:
Ex: 21 = 2.1V; 60 = 6.0V
Extra Feature Code: Fixed: 0
Tolerance:
1 =
± 1.0% (custom)
2 =
± 2.0% (standard)
Temperature: E: – 40
°C to + 85°C
Package Type and Pin Count:
CB: SOT-23A-3*, MB: SOT-89-3, ZB: TO-92-3
Taping Direction:
Standard Taping
Reverse Taping
No suffix: TO-92 Bulk
*SOT-23A-3 is equivalent to EIAJ (SC-59).
ORDERING INFORMATION
PART CODE TC54 V X XX X X X XX XXX
TC54-10 11/8/96
VOUT
TC54VC only
VSS
1
3
+
VIN
2
VREF
TC54VN has open-drain output.
TC54VC has complementary output.
PIN CONFIGURATIONS
13
2
VIN
VIN
VSS
VOUT
VSS
VOUT
TC54
TC54
TC54
1
1
2
3
3
2
*SOT-23A-3
SOT-89-3
TO-92
*SOT-23A-3 is equivalent to EIAJ (SC-59)




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