Datasheet > S-8424AAKFT-TB-G

S-8424AAKFT-TB-G

更新时间： 2024-11-08 00:33:31

品牌	Logo	应用领域
精工 - SII		开关光电二极管
页数	文件大小	规格书
46页	2473K
描述
BATTERY BACKUP SWITCHING IC

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S-8424AAKFT-TB-G 数据手册

S-8424A Series

BATTERY BACKUP SWITCHING IC

www.sii-ic.com

Rev.3.0_01

The S-8424A Series is a CMOS IC designed for use in the switching circuits of primary and backup power supplies on

a single chip. It consists of two voltage regulators, three voltage detectors, a power supply switch and its controller, as

well as other functions.

In addition to the switching function between the primary and backup power supply, the S-8424A Series can provide

the micro controllers with three types of voltage detection output signals corresponding to the power supply voltage.

Moreover adopting a special sequence for switch control enables the effective use of the backup power supply,

making this IC ideal for configuring a backup system.

 Features

• Low power consumption

Normal operation: 15 μA Max. (V_IN= 6 V)

Backup:

2.1 μA Max.

• Voltage regulator

Output voltage tolerance : 2 %

Output voltage:

Independently selectable in 0.1 V steps in the range of 2.3 V to 5.4 V

• Three built-in voltage detectors (CS, PREEND , RESET )

Detection voltage precision: 2 %

Detection voltage:

Selectable in 0.1 V steps in the range of 2.4 V to 5.3 V (CS voltage detector)

Selectable in 0.1 V steps in the range of 1.7 V to 3.4 V (PREEND , RESET

voltage detector)

• Switching circuit for primary power supply and backup power supply configurable on one chip

• Efficient use of backup power supply possible

• Special sequence

Backup voltage is not output when the primary power supply voltage does not reach the initial voltage at which

the switch unit operates.

• Lead-free, Sn 100%, halogen-free^*1

*1. Refer to “ Product Name Structure” for details.

 Packages

• 8-Pin TSSOP

• 8-Pin SON(B)

 Applications

• Video camera recorders

• Still video cameras

• Memory cards

• SRAM backup equipment

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