TC54VC2101ECB TELCOM [TelCom Semiconductor, Inc], TC54VC2101ECB Datasheet

TC54VC2101ECB

Manufacturer Part Number

TC54VC2101ECB

Description

VOLTAGE DETECTOR

Manufacturer

TELCOM [TelCom Semiconductor, Inc]

Datasheet

1.TC54VC2101ECB.pdf (3 pages)

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VOLTAGE DETECTOR

FEATURES

APPLICATIONS

FUNCTIONAL BLOCK DIAGRAM

PIN CONFIGURATIONS

*SOT-23A-3 is equivalent to EIAJ (SC-59)

V IN

V OUT

TC54VN has open-drain output.

TC54VC has complementary output.

*SOT-23A-3

Precise Detection Thresholds .... Standard

Small Packages ........... SOT-23A-3, SOT-89, TO-92

Low Current Drain ..................................... Typ. 1 A

Wide Detection Range .......................... 2.1V to 6.0V

Wide Operating Voltage Range ............ 1.5V to 10V

Battery Voltage Monitoring

Microprocessor Reset

System Brownout Protection

Switching Circuit in Battery Backup

Level Discriminator

TELCOM SEMICONDUCTOR, INC.

V REF

TC54

V IN

V SS

–

V OUT

SOT-89-3

V IN

TC54

V SS

Custom

TO-92

TC54VC only

V OUT

V SS

TC54

1.0%

2.0%

GENERAL DESCRIPTION

especially for battery-powered applications because of their

extremely low 1 A 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.

precision reference, laser-trimmed divider, hysteresis circuit

and output driver. The TC54 is available with either an open-

drain or complementary output stage.

logic HIGH state as long as V

specified threshold voltage (V

LOW until V

whereupon it resets to a logic HIGH.

ORDERING INFORMATION

PART CODE TC54 V X XX X X X XX XXX

Output form:

Detected Voltage:

Extra Feature Code: Fixed: 0

Tolerance:

Temperature: E: – 40 C to + 85 C

Package Type and Pin Count:

Taping Direction:

*SOT-23A-3 is equivalent to EIAJ (SC-59).

–

DET

The TC54 Series are CMOS voltage detectors, suited

The device includes a comparator, low-current high-

In operation, the TC54's output (V

N = Nch Open Drain

C = CMOS Output

Ex: 21 = 2.1V; 60 = 6.0V

1 =

2 =

CB: SOT-23A-3*, MB: SOT-89-3, ZB: TO-92-3

Standard Taping

Reverse Taping

No suffix: TO-92 Bulk

, the output is driven to a logic LOW. V

1.0% (custom)

2.0% (standard)

rises above V

DET

–

DET

). When V

by an amount V

is greater than the

OUT

) remains in the

OUT

falls below

TC54-10 11/8/96

TC54

remains

HYST

4-279

Related parts for TC54VC2101ECB

TC54VC2101ECB Summary of contents

Page 1

VOLTAGE DETECTOR FEATURES Precise Detection Thresholds .... Standard Small Packages ........... SOT-23A-3, SOT-89, TO-92 Low Current Drain ..................................... Typ Wide Detection Range .......................... 2.1V to 6.0V Wide Operating Voltage Range ............ 1.5V to 10V APPLICATIONS Battery Voltage Monitoring ...

Page 2

TC54 ABSOLUTE MAXIMUM RATINGS* Supply Voltage (V IN) ..................................................................... Output Voltage: CMOS ............ (V Open Drain ................. (V Output Current .........................................................50mA Power Dissipation SOT-23A-3 .....................................................240mW SOT-89-3 .......................................................400mW TO-92 .......................................................440mW Operating Temperature .......................... – ...

Page 3

VOLTAGE DETECTOR TIMING CHART + DET V HYST – DETECT VOLTAGE V DET MINIMUM OPERATING VOLTAGE GROUND LEVEL OUTPUT VOLTAGE GROUND LEVEL MARKING SOT-23A-3 = output (Nch or CMOS) plus first voltage digit ...

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