Datasheet > LS0504EVT233

LS0504EVT233

更新时间： 2023-12-06 20:13:27

品牌	Logo	应用领域
力特 - LITTELFUSE		开关软启动
页数	文件大小	规格书
7页	788K
描述
LS0504EVT233的集成负载开关可为下游电路系统提供强大的输入过流保护。该器件内置过压保护和内部软启动功能。开关的低RDS(ON)可将系统功率损耗降至最低。如果出现输入过压，LS05

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LS0504EVT233 数据手册

Over Voltage Protection IC Datasheet

LS0504EVT233

5V, 4A eFuse with Over Voltage and Over Current Protection

RoHS Pb

Description

The integrated load switching of the LS0504EVT233 provides

robust, input over-current protection to the downstream circuit

systems. The device comes with built-in over-voltage protection

and internal soft start. The switch’s low RDS(ON) minimizes the

system’s power loss.

In the event of input over-voltage, LS0504EVT233 immediately

turns off the switch to prevent the downstream system from the

stress of excessively high voltage. Internal soft-start ensures a

smooth output voltage ramp-up and limits the input inrush current.

Features & Benefits

■ Wide Input Voltage Range

■ Internal Soft-Start

■ Thermal Shutdown

from 2.7V to 6V

■ 30V Maximum Input / Output

Voltage

■ Continuous Current 3A; Peak

Current 4A

Pinout Designation

■ 50mΩ Low RDS(ON)

Protection Switch

■ Hiccup Mode Protection for

Over Load or Short Circuit

GND

■ Built-in Over-Voltage

Protection

■ SOT23_3L Package

OUT

■ Pb-Free and RoHS compliant

■ Discharge Output at OVP

SOT23_3L TOP VIEW

Applications

■ Bluetooth Headsets

■ Wearable Device

■ Tablet PC

■ Charging Cable

Pin Description

■ Battery Devices

Pin no. Pin Name

Description

■ Adapter Powered Devices

GND

Ground pin

Input pin

Output pin. OUT is discharged to GND through

an internal 80Ω resistor during OVP event.

OUT

Typical Applications

AC Adapter

5VOUT

OUT

Functional Block Diagram

Cin

1μF

Cout

1μF

LS0504EV

OUT

Charge

Pump

Soft

Start

UVLO

R=80

GND

Vref

OVP

Driver

Discharge

Control

Current

Limit

GND

Thermal

Protection

Speciﬁcations are subject to change without notice.

Revised: GD. 09/20/22

12 3 4 5 6 7

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