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3

BL8091

ABSOLUTE MAXIMUM RATING

Parameter

Value

Max Input Voltage

30V

Max Operating Junction Temperature(Tj)

125C

Ambient Temperature(Ta)

-20C – 85C

Package Thermal Resistance (jc)

SOP-8L

45C / W

ESOP-8L

10C / W

Storage Temperature(Ts)

-40C - 150C

Lead Temperature & Time

260C, 10S

ESD (HBM)

>2000V

Note: Exceed these limits to damage to the device. Exposure to absolute maximum

rating conditions may affect device reliability.

RECOMMENDED WORK CONDITIONS

Parameter

Value

Input Voltage Range

Max. 18V

Operating Junction Temperature(Tj)

-20C –125C

ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDD

Input Voltage Range

4.5

18

V

UVLO_UP

UVLO,IN UVLO Rising

Record VIN pin voltage as

V(UVLO) when

measure I(IN)> 500uA

3.8

4.1

4.4

V

Vref

Feedback Voltage

Vin=12V, Ven=5V

0.900

0.923

0.946

V

Ifb

Feedback Leakage current

0.1

0.4

uA

Iq

Quiescent Current

Active, Vfb=1V, No Switching

1.1

1.5

mA

Shutdown, Vin=8V

6

10

uA

LnReg

Line Regulation

Vin=5V to 12V

0.1

%/V

LdReg

Load Regulation

Iout=0.1 to 2A

0.02

%/A

Fsoc

Switching Frequency

Ven=2V, Vin=12V

340

KHz

RdsonP

PMOS Rdson

130

mohm

RdsonN

NMOS Rdson

110

mohm

Ilimit

Peak Current Limit

2.5

A

Venh

EN High Threshold

1

1.5

2

V

Venl

EN Low Threshold

0.5

V

Vovp

Input Over-Voltage Protection

Ven=2V

18

V

TSD

Over Temperature Proection

160

C