Protection IC Datasheet

© 2022 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: FW.12/01/22

LS0504EDD12

5.5V 4A Low-Ron Power Distribution Load Switch

Absolute Maximum Rating (Reference to GND)

* Notes: Stress exceeding those listed “Absolute Maximum Ratings” may damage the device.

Symbol

Value

Units

All Pins

-0.3 to +6

V

IN to OUT

-0.3 to +6

V

ESD

Class 2

Junction Temperature Range

-40 to +150

°C

Storage Temperature Range

-65 to +150

°C

Lead Temperature (Soldering 10s)

260

°C

Recommend Operating Conditions

Symbol

Value

Units

Input Voltage (V

IN)

+1.8 to 5.5

V

Junction Temperature Range

<135

°C

* Notes: The device is not guaranteed to function outside of the recommended operating conditions.

Note1: Measured on JESD51-7, 4-Layer PCB.

Note 2: The maximum allowable power dissipation is a function of the maximum junction temperature T

J_MAX,

the junction to ambient thermal resistance

θ

JA, and the ambient temperature TA. The maximum allowable

continuous power dissipation at any ambient temperature is calculated by P

D_MAX= (TJ_MAX-TA)/θJA. Exceeding

the maximum allowable power dissipation will cause excessive die temperature, and the regulator will go into

thermal shutdown. Internal thermal shutdown circuitry protects the device from permanent damage.

Thermal information

Parameter

Test Conditions

Min

TYP

Max

Unit

Input-Supply Voltage Range

1.8

5.5

V

Shutdown Current

V

EN=0V

0.01

1

µA

Quiescent Supply Current

V

EN=2V, ILOAD=0mA

35

50

µA

Input Under-Voltage Lockout Threshold

Rising

V

IN ramp up

1.65

V

Input Under-Voltage Lockout Threshold

Hysteresis

V

IN ramp down

0.15

V

Input Over-voltage Protection Rising

Threshold

V

IN ramp up

6.3

V

Input Over-voltage Protection Hysteresis

V

IN ramp down

0.3

V

EN ON Threshold

EN Rising

1.14

1.20

1.26

V

EN ON Threshold Hysteresis

EN Falling

0.1

V

EN OFF Threshold

Shutdown current <1µA

0.4

V

Load Switch FET On Resistance R

ON

26

mΩ

Load Switch Current Limit

4.5

A

Output Discharge Resistance

V

IN =5V, VEN=0V, VOUT=0.3V

8

Ω

Load Switch soft-start time

V

IN =5V, Iload=500mA

250

µs

Thermal Shutdown

140

˚C

Thermal Shutdown Hysteresis

45

˚C

Electrical Characteristics (T

A = +25°C, VIN=5V, VEN=2V, unless otherwise specified)

Symbol

Value

Units

Maximum Power Dissipation (T

A=25°C )

0.5

W

Thermal Resistance (

θ

JA)

200

°C/W

Thermal Resistance (

θ

JC)

70

°C/W