Datasheet > TC54VX21

TC54VX21

更新时间： 2024-09-30 03:02:31

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
16页	210K
描述
Voltage Detector

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中文翻译

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数据手册

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TC54VX21 数据手册

TC54

Voltage Detector

Features

General Description

• Precise Detection Thresholds: Standard ±2.0%,

Custom ±1.0%

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 from

1.5V to 6.0V for a 1% tolerance.

• 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

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.

Applications

• Battery Voltage Monitoring

• Microprocessor Reset

During operation, the TC54's output (V_OUT) remains in

the logic-high state as long as V_INis greater than the

• System Brown-Out Protection

• Switching Circuit in Battery Backup

• Level Discriminator

–

specified threshold voltage (V_DET). When V_INfalls

–

below V_DET, the output is driven to a logic-low. V_OUT

–

remains low until V_INrises above V_DETby an amount

V_HYST, whereupon it resets to a logic-high.

Functional Block Diagram

TC54VC only

Package Types

V_IN

3-Pin SOT-23A

3-Pin SOT-89

V_IN

V_OUT

–

TC54

V_OUT

V_SS

V_OUTV_INV_SS

V_REF

V_SS

3-Pin TO-92

1 2 3

5-Pin SOT-23A

TC54VN has open-drain output.

TC54VC has complementary output.

TC54

V_OUTV_INV_SS

Note:

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)

 2004 Microchip Technology Inc.

DS21434G-page 1

12 3 4 5 6 7...16

中文翻译

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