Datasheet > SP2026

SP2026

更新时间： 2024-09-28 22:21:31

品牌	Logo	应用领域
西伯斯 - SIPEX		开关
页数	文件大小	规格书
14页	167K
描述
+2.7V to +5.5V USB Power Control Switch

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数据手册

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SP2026 数据手册

SP2026

+2.7V to +5.5V USB Power Control Switch

■ Compliant to USB Specifications

■ 100µA On-State Supply Current

■ 1µA Shutdown Current

■ Output Can Be Forced Higher Than

Input (Off-State)

■ +2.7V to +5.5V Input Voltage Range

■ Two Independent Power Switches

■ Two Error Flag Outputs, Open Drain

■ 2.4V Undervoltage Lockout

■ Thermal Shutdown

■ 500mA Minimum Continuous Load

Current Per Switch

■ 1.25A Short Circuit Current Limit

■ 140mΩ Maximum On-Resistance

■ 1ms Soft-Start Power Up

■ Active-High Version: SP2026-1

■ Active-Low Version: SP2026-2

DESCRIPTION

The SP2026 is a dual +2.7V to +5.5V supervisory power control switch that is current limited

to 1.25A and has thermal shutdown to protect itself and the load. A device is disabled in

thermalshutdownuntiltheexcessivecurrentloadisremoved, theappropriateenablepinsare

toggled, or the die temperature cools to 120°C. The undervoltage lockout feature disables the

output switches until a valid input voltage, V_IN= 2.4V, is present. Once a valid input voltage

is present and the SP2026 is enabled, a 1ms soft start prevents momentary voltage drops

caused by charging a capacitive load. The SP2026 has a low on resistance, 100mΩ, and

supplies a 500mA minimum output current per switch. In overcurrent and thermal shutdown,

error flags may be asserted for overtemperature.

ENA

FLGA

FLGB

OUTA

7 IN

SP2026

GND

ENB 4

OUTB

Rev. 1/23/02

SP2026 +2.7V to +5.5V USB Power Control Switch

12 3 4 5 6 7...14

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