TC54VC2102ECB MICROCHIP [Microchip Technology], TC54VC2102ECB Datasheet

TC54VC2102ECB

Manufacturer Part Number

TC54VC2102ECB

Description

Voltage Detector

Manufacturer

MICROCHIP [Microchip Technology]

Datasheet

1.TC54VC2102ECB.pdf (16 pages)

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Features

• ±2.0% Detection Thresholds

• Small Packages: 3-Pin SOT-23A, 3-Pin SOT-89,

• Low Current Drain: 1 µA (Typical)

• Wide Detection Range: 1.1V to 6.0V

• 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

Functional Block Diagram

Device Features

Note 1:

TC54VN has open-drain output.

TC54VC has complementary(push-pull) output.

and TO-92

TC54VN

TC54VC

Device

REF

Custom Trip Points available. Minimum order requirement. Information available upon request.

–

Open-Drain

Push-Pull

Type

Output

TC54VC only

Voltage Detector

OUT

Active Low

State

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 6.0V with a 2% tolerance.

The TC54 is available with either an open-drain or com-

plementary output stage. During operation, the TC54's

output (V

driven to a logic-low. V

above V

resets to a logic-high.

Package Types

DET

Reset Delay

is greater than the specified threshold voltage

Note:

3-Pin SOT-23A

– ). When V

OUT

DET

TC54

) remains in the logic-high state as long as

– by an amount V

3-Pin SOT-23A is equivalent to the

EIAJ SC-59

OUT

3-Pin TO-92

falls below V

OUT

Std. Trip Points

remains low until V

1.4V, 2.1V, 2.7V, 2.9V

3.0V, 4.2V, 4.3V

1 2 3

TC54

3-Pin SOT-89

HYST

OUT

DET

DS21434H-page 1

– , the output is

, whereupon it

(1)

TC54

(typical)

rises

Related parts for TC54VC2102ECB

TC54VC2102ECB Summary of contents

Page 1

Features • ±2.0% Detection Thresholds • Small Packages: 3-Pin SOT-23A, 3-Pin SOT-89, and TO-92 • Low Current Drain: 1 µA (Typical) • Wide Detection Range: 1.1V to 6.0V • Wide Operating Voltage Range: 0.7V to 10V Applications • Battery Voltage ...

Page 2

TC54 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † Input Voltage ...................................................................+12V Output Current ..............................................................50 mA Output Voltage: CMOS................(V – 0.3V Open-Drain.....................(V ≤ 70°C): Power Dissipation (T A 3-Pin SOT-23A .......................................................240 mW 3-Pin SOT-89..........................................................500 mW 5-Pin SOT-23A .......................................................240 ...

Page 3

Page 4

TC54 2.0 PIN DESCRIPTIONS The descriptions of the pins are listed in TABLE 2-1: PIN FUNCTION TABLE Pin No. Pin No. (3-Pin SOT-23A) (3-Pin SOT-89 — Tab 2.1 Digital Output (V ) OUT V ...

Page 5

DETAILED DESCRIPTION In normal steady-state operation when V the output will logic-high (see the case of the TC54VN, this is an open-drain condition. If the input falls below V DET will pull down (Logic 0) to ...

Page 6

TC54 4.0 APPLICATIONS INFORMATION 4.1 Modifying the Trip Point, V Although the TC54 has a pre-programmed V sometimes necessary to make adjustments during prototyping. This can be accomplished by connecting an external resistor divider to a TC54, which has a ...

Page 7

PACKAGING INFORMATION 5.1 Package Marking Information 3-Pin SOT-23A 3-Pin SOT- represents output configuration (CMOS or Nch) 1 and first integer of voltage Ex: CMOS 3 Symbol Output B CMOS C CMOS ...

Page 8

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Page 11

APPENDIX A: REVISION HISTORY Revision H (December 2007) • Updated Features section. • Removed 5-Pin SOT-23 related information. • Updated Output Current (I ) Electrical OUT Specification. • Removed 7.7V (typical) Voltage Trip Point Option. Max Trip Point Voltage is ...

Page 12

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... TC54VC1402ECB713: Tape and Reel, 1.4V Voltage Detector, 2% Tol., SOT-23A-3. TC54VC1402EMB713: Tape and Reel, 1.4V Voltage Detector, 2% Tol., SOT-89-3. TC54VC1402EZB: 1.4V Voltage Detector, 2% Tol., TO-92. TC54VC2102ECB713: Tape and Reel, 2.1V Voltage Detector, 2% Tol., SOT-23A-3. TC54VC2102EMB713: Tape and Reel, 2.1V Voltage Detector, 2% Tol., SOT-89-3. TC54VC2102EZB: 2.1V Voltage Detector, 2% Tol., TO-92. TC54VC2702ECB713: Tape and Reel, 2 ...

Page 14

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Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families ...

Page 16

W ORLDWIDE AMERICAS ASIA/PACIFIC Corporate Office Asia Pacific Office 2355 West Chandler Blvd. Suites 3707-14, 37th Floor Chandler, AZ 85224-6199 Tower 6, The Gateway Tel: 480-792-7200 Harbour City, Kowloon Fax: 480-792-7277 Hong Kong Technical Support: Tel: 852-2401-1200 http://support.microchip.com Fax: 852-2401-3431 ...

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