HM9709 datasheet(4/8 Pages) HMSEMI

номер детали	HM9709

подробное описание детали	Over Voltage and Over Current Protection IC

PDF	8 Pages

Scroll/Zoom	100%

производитель	HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]

домашняя страница	http://www.hmsemi.com/

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Electrical Characteristics

(Typical values are TA=25℃ )

Symbol

Parameter

Conditions

HM9709

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 =1A

130

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

150

TOVP

OVP active time

VIN = 5 -> 10V

TON(OVP)

OVP recovery time

VIN = 10 -> 5V to output ON

Input Over-Current-Protection (OCP)

IOCP

OCP threshold

Rset=51K

1.9

Rset=82K

1.3

Rset=150K

0.85

IOCPLIMIT

OCP LIMIT Current

Rset=NC

2.1

2.5

TOCP

OCP active time

VISET

ISET Voltage

0.8

TON(OCP)

OCP recovery time

Over-Temperature-Protection (OTP)

OTP threshold

150

℃

OTP hysteresis

℃

HM9709

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