LP5304 datasheet(4/6 Pages) POWER

4 / 6 page

LP5304-00

Mar.-2018

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Preliminary Datasheet LP5304

Electrical Characteristics

(Typical values are TA=25℃ )

Symbol

Parameter

Conditions

LP5304

Unit

Min.

Typ.

Max.

DC characteristics and Power-ON-Reset

VIN

Input Voltage

3.5

Input quiescent current

VIN =5V, EN=LOW, IOUT =0A

110

ISD

VIN =5V, EN=HIGH, IOUT =0A

RON

IN-to-OUT ON resistance

VIN =5V, IOUT =4A

mΩ

RDISCHARGE

Output discharge resistance

4.3

kΩ

VEN(L)

Enable Threshold Low

Chip enable

0.4

VEN(H)

Enable Threshold High

Chip shutdown

1.4

UVLO

Under voltage lock out threshold

VIN increasing from 0~5V

2.6

2.8

VHYS-UVLO

Under voltage lock out hysteresis

VIN decreasing from 5~0V

500

TON

Output power-on time

EN = LOW ,

VIN = 0 -> 5V to output ON

Turn on through EN

EN = HIGH -> LOW,

VIN = 5V to output ON

Input Over-Voltage-Protection (OVP)

VOVP

OVP threshold

VIN increasing from 5~7V

5.8

6.1

6.4

VHYS-OVP

OVP hysteresis

VIN decreasing from 7~5V

300

TOVP

OVP active time

VIN = 5 -> 10V

TON(OVP)

OVP recovery time

VIN = 10 -> 5V to output ON

Iout

Output current

Over-Temperature-Protection (OTP)

OTP threshold

150

℃

OTP hysteresis

℃

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