Datasheet > C3002EZB713

C3002EZB713

更新时间： 2024-10-14 12:32:39

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描述
Voltage Detector

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数据手册

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C3002EZB713 数据手册

TC54

Voltage Detector

Features

General Description

• ±2.0% Detection Thresholds

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.

• Small Packages: 3-Pin SOT-23A, 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

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

plementary output stage. During operation, the output

(V_OUT) remains in the logic-high state as long as V_INis

Applications

–

greater than the specified threshold voltage (V_DET).

• Battery Voltage Monitoring

• Microprocessor Reset

–

When V_INfalls below V_DET, the output is driven to a

logic-low. V_OUTremains low until V_INrises above

V_DETby an amount V_HYST, when it resets to a logic-

• System Brown-Out Protection

• Switching Circuit in Battery Backup

• Level Discriminator

–

high state.

Package Types

Functional Block Diagram

3-Pin SOT-23A

3-Pin SOT-89

V_IN

TC54VC only

V_IN

TC54

V_OUT

–

V_OUT

V_SS

V_OUTV_IN

V_SS

3-Pin TO-92

1 2 3

V_REF

V_SS

TC54VN has open-drain output.

TC54VC has complementary (push-pull) output.

V_OUTV_INV_SS

Note:

3-Pin SOT-23A is equivalent to the

EIAJ SC-59.

Device Features

Output

Device

Reset Delay

Std. Trip Points⁽¹⁾(typical)

Type

State

TC54VN

TC54VC

Open-Drain

Push-Pull

Active Low

1.4V, 2.1V, 2.7V, 2.9V

3.0V, 4.2V, 4.3V

Note 1: Custom Trip Points available. Minimum order requirement. Information available upon request.

 2001-2011 Microchip Technology Inc.

DS21434J-page 1

12 3 4 5 6 7...20

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