www.belling.com.cn

2

BL8021

ORDERING INFORMATION

PART No.

PACKAGE

Tape&Reel

BL8021CB5TR

SOT23-5

3000/Reel

ABSOLUTE MAXIMUM RATING

Parameter

Value

Max Input Voltage

7V

Max Operating Junction Temperature(Tj)

125C

Ambient Temperature(Ta)

-40C – 85C

Maximum Power Dissipation

SOT23-5

400mW

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.5.5V

Operating Junction Temperature(Tj)

-20C –125C

ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDD

Input Voltage Range

2.6

5.5

V

Vref

Feedback Voltage

Vin=5V

0.585

0.6

0.615

V

Ifb

Feedback Leakage current

0.1

0.4

uA

Iq

Quiescent Current

Active, Vfb=0.65, No Switching

35

uA

Shutdown

1

uA

LnReg

Line Regulation

Vin=2.7V to 5.5V

0.04

0.2

%/V

LdReg

Load Regulation

Iout=0.01 to 1A

0.1

0.2

%/A

Fsoc

Switching Frequency

1.5

MHz

RdsonP

PMOS Rdson

300

400

mohm

RdsonN

NMOS Rdson

220

300

mohm

Ilimit

Peak Current Limit

1.2

1.5

2

A

Iswlk

SW Leakage Current

Vout=5.5V,

VSW=0

or

5.5V,

EN=0V

10

uA

Ienlk

EN Leakage Current

1

uA

Vh_en

EN Input High Voltage

1.5

V

Vl_en

EN Input Low Voltage

0.4

V