© 2024 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: GD. 06/17/24

LS0505EVD22

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

Protection IC Datasheet

Absolute Maximum Rating (Reference to GND)

Notes:

1. Stress exceeding those listed “Absolute Maximum Ratings” may damage the device.

2. ESD HBM testing per JESD22-A114F

Symbol

Value

Units

IN, OUT, EN

-0.3 to +30

V

ILIM

-0.3 to +6.5

V

ESD, Human Body Model (HBM)

±2000

V

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 (IN)

+2.7 to +6

V

Junction Temperature Range

+125

°C

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

Notes:

1. Measured on JESD51-7, 4-Layer PCB.

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

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

V

IN

Input Voltage Range

2.7

28

V

I

BIAS

Quiescent Current

200

260

µA

I

SD

Shutdown Current

V

EN=0V

5

10

µA

V

UV

Input Under-voltage Threshold

2.48

V

V

UVHYS

Input Under-voltage Hysteresis

180

mV

V

OV

Input Over-voltage Threshold

6.2

V

V

OV

Over Voltage Protection response time

250

ns

V

OV

Input Over-voltage Hysteresis

330

mV

T

SS

Soft-start Slew Rate Time

230

µs

R

DSON

Protection FET RON

50

mΩ

I

LIMT

Current Limit

R

LIM=500 kΩ

1.35

1.5

1.65

A

I

LIM pin float

5

K

LIM

Current Limit Setting Factor

I

INLIM=1 A~5 A

675

750

825

A*kΩ

R

Disch

OUT Discharging Resistance

V

IN=6.5 V

80

Ω

V

IH_EN

EN Logic High Input Voltage

1.2

V

V

IL_EN

EN Logic Low Input Voltage

0.4

V

T

SD

Thermal Shutdown Temperature

160

°C

T

HYS

Thermal Shutdown Hysteresis

40

°C

Electrical Characteristics (T

A = +25 °C, VIN=5 V, CIN=1 μF, unless otherwise specified)

Symbol

Value

Units

Maximum Power Dissipation (T

A=25°C )

1.52

W

Thermal Resistance (

θ

JA)

82

°C/W

Thermal Resistance (

θ

JC)

52

°C/W