Datasheet > AAT4618IJS-0.5-T1

AAT4618IJS-0.5-T1

更新时间： 2024-01-31 19:04:55

品牌	Logo	应用领域
AAT		驱动器开关光电二极管
页数	文件大小	规格书
11页	248K
描述
Current Limited Load Switch

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技术参数
数据手册

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AAT4618IJS-0.5-T1 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	SOJ, TSSOJ8,.09,20	Reach Compliance Code：	unknown
风险等级：	5.66	内置保护：	TRANSIENT; OVER CURRENT; THERMAL; UNDER VOLTAGE
驱动器位数：	1	接口集成电路类型：	BUFFER OR INVERTER BASED PERIPHERAL DRIVER
JESD-30 代码：	R-PDSO-J8	长度：	2 mm
功能数量：	1	端子数量：	8
最高工作温度：	85 °C	最低工作温度：	-40 °C
输出电流流向：	SOURCE	标称输出峰值电流：	0.75 A
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOJ
封装等效代码：	TSSOJ8,.09,20	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	NOT SPECIFIED
电源：	5 V	认证状态：	Not Qualified
座面最大高度：	1.1 mm	子类别：	Peripheral Drivers
最大供电电压：	5.5 V	最小供电电压：	2.4 V
标称供电电压：	5 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子形式：	J BEND
端子节距：	0.5 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	1.75 mm
Base Number Matches：	1

AAT4618IJS-0.5-T1 数据手册

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AAT4618

Current Limited Load Switch

Functional Block Diagram

OUT

Over-Temperature

Protection

Under-Voltage

Lockout

Current

Limit

FAULT

ON (ON)

4ms Delay

GND

input voltages ranging from 2.4V to 5.5V which,

along with its extremely low operating current,

makes it ideal for battery-powered applications. In

cases where the input voltage drops below 2.4V,

the AAT4618 MOSFET is protected from entering

the saturated region of operation by being auto-

matically shut down by an under-voltage lockout

circuit. A current limit condition is reported by the

open drain FAULT output. A 4ms blanking interval

prevents false reporting during the charging of a

capacitive load, which typically occurs during

device turn-on, but may also occur during a port

hot plug-in event.

Functional Description

The AAT4618 is a single channel current limited

load switch that protects against short circuits by

current limiting to a preset level. A patented fast-

acting current limit loop limits the current in a frac-

tion of a microsecond and instantly resets to low

impedance once the short-circuit condition is

removed. The AAT4618 is internally protected

from thermal damage by an over-temperature

detection circuit. If the die temperature reaches

the internal thermal limit, the power device is

switched off until the die temperature cools to a

level below the thermal limit threshold. The device

will thermal cycle indefinitely until the over-current

condition is removed. The AAT4618 operates with

The AAT4618 is ideally suited for protection of

peripheral ports such as USB, RS232, and parallel

ports.

4618.2006.05.1.2

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