SP619

更新时间： 2024-11-26 06:13:07

品牌	Logo	应用领域
艾科嘉 - EXAR		开关电源开关
页数	文件大小	规格书
7页	187K
描述
High Current Power Switch

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中文翻译

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数据手册

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SP619 数据手册

SP619

High Current Power Switch

FEATURES

• Max RDS(ON) .377 Ohms

• Overcurrent deactivation 800mA

• Max leakage current less than 2µA

while deactivated

• Small 6 pin SOT-23 package

• Built-in Over-temperature Protection

• 4.5V to 5.5V input voltage range

SP619

SOT23-6

APPLICATIONS

• Ultra low cost handsets

• PDA, DSC, MP3 players

• Cell phones

• Power Distribution Switch

• Battery-Charger Circuit

DESCRIPTION

The SP619 is a low RDS(ON) high current switch designed with precision current lim-

iting to protect connected devices from damage due to a short circuit condition or

against current surges that may cause the supply voltages to fall out of regula-

tion. This switch is functional over an input voltage range of 2.5V to 7V, but is targeted

at 5V applications. The SP619 is also protected from thermal overload which

limits power dissipation. In shutdown mode, the supply current drops to 2µA.

TYPICAL APPLICATION CIRCUIT

SP619

Vin

Vout

Vin

LOAD

Cin .1µF

100K

Cout

.1µF

ON/OFF

80K

GND

April 2008 Rev L

SP619 High Current Power Switch

12 3 4 5 6 7

中文翻译

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