Datasheet > A4481KLJTR-T

A4481KLJTR-T

更新时间： 2024-11-08 15:44:11

品牌	Logo	应用领域
急速微 - ALLEGRO		输出元件调节器
页数	文件大小	规格书
10页	622K
描述
Fixed Positive LDO Regulator,

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中文翻译

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技术参数
数据手册

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A4481KLJTR-T 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	,	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.69	湿度敏感等级：	3
峰值回流温度（摄氏度）：	NOT SPECIFIED	调节器类型：	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
处于峰值回流温度下的最长时间：	NOT SPECIFIED	Base Number Matches：	1

A4481KLJTR-T 数据手册

A4481

5 V_OUT, 50 mAAutomotive Linear Regulator

with 50 V Load Dump and Short-to-Battery Protection

FEATURES AND BENEFITS

DESCRIPTION

• Automotive AEC-Q100 qualified

• 5.25 to 40 V_INoperating range, 50 V load dump rating

• 5 V ±1% internal LDO regulator

• Foldback short-circuit protection

• Short-to-battery protection (to 32 V, independent of V_IN)

for harness faults

The A4481 is a single low-dropout linear regulator with

complete control, diagnostics, and protection features that

address many requirements of automotive applications. It

regulates input voltages from 5.25 to 40 V, down to 5 V ±1%

outputvoltageandisabletosupplyupto50mAofloadcurrent.

Diagnostic output from theA4481 includes Power OK (POK)

output to alert the microprocessor that a fault has occurred.

• Power OK (POK) flag

• High-voltage logic level enable input (ENB) for

microprocessor control or connection directly to battery

• Pin-to-pin and pin-to-ground tolerant at every pin

Protectionfeaturesincludeinputundervoltagelockout(UVLO),

foldback overcurrent protection, output undervoltage and

overvoltage protections (UV/OVP), and thermal shutdown

(TSD). In addition, the output is protected from a short-to-

battery event up to 32 V.

TheA4481 device is available in an 8-pin SOIC package with

exposed pad for enhanced thermal dissipation. It is lead (Pb)

free, with 100% matte-tin leadframe plating.

Package:

8-pin SOIC with exposed thermal pad (suffix LJ)

APPLICATIONS

Power supplies for:

• Microcontrollers

• Transceivers (CAN, LIN, etc.)

• Sensors

Not to scale

Typical Application Circuit

V_OUT= 5 V, I_OUT= 50 mA

VCC

VIN

VOUT

A4481

POK

GND

Enable

ENB

A4481-DS, Rev. 1

12 3 4 5 6 7...10

中文翻译

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