Datasheet > S-8425AAAFT-TB-G

S-8425AAAFT-TB-G

更新时间： 2024-11-08 00:58:03

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
45页	2343K
描述
BATTERY BACKUP SWITCHING IC

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S-8425AAAFT-TB-G 数据手册

S-8425 Series

BATTERY BACKUP SWITCHING IC

www.sii-ic.com

Rev.3.1_01

The S-8425 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 three voltage regulators, two voltage detectors, a power supply switch

and its controller, as well as other functions.

In addition to the function for switching between the primary and backup power supply, the S-8425 Series can

provide microcontrollers with two 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

• Two built-in voltage detectors (CS, RESET)

Detection voltage tolerance:

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 (RESET voltage detector)

• RESET release delay: 300 μs min.

• 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

• Camcorders

• Digital cameras

• Memory cards

• SRAM backup equipment

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