BL8519 datasheet(3/7 Pages) BELLING

3 / 7 page

www.belling.com.cn

BL8519

ABSOLUTE MAXIMUM RATING

Supply Voltage

23V

SW Pin Voltage

25V

CE Pin Voltage

–0.3V to Vin+0.3V

FB Pin Voltage

–0.3V to 6V

Operating Ambient Temperature Range

–40°C to 85°C

Storage Temperature Range

–65°C to 150°C

Lead Temperature (Soldering, 10 sec)

260°C

Thermal resistance: ΘJA

150°C/W

ELECTRICAL CHARACTERISTICS

(Test condition: Ta=25ºC, VIN=12V,unless otherwise noted.)

Symbol

Item

Conditions

Min.

Typ.

Max.

Unit

VUVLO

Under Voltage Lockout

3.35

3.6

VFB

Feedback Voltage

1.225

1.25

1.275

IFB

FB Pin Bias Current

VFB=1.25V

150

600

Supply Current

VFB=1.3V, VCE=VIN

Quiescent Current in

Shutdown

VCE=0V

VFB/

△

Reference Line

Regulation

VIN=5V to 20V

0.08

%/V

△VFB/△T

Feedback Voltage

Temperature

Coefficient

-40℃ ≤ Topt≤ 85℃

±100

ppm/℃

FOSC_MAX

Oscillator Frequency

VFB=1.1V

500

KHz

FOSCTH

Frequency Shift

Threshold on FB Pin

FSW=200K

0.44

DMAX

Max Duty Cycle

ILIMIT

Switch Current Limit

2.5

Rds_on

Static P-Channel

MOSFET On State

Resistance

90*

Ω

ISW

Switch Leakage

Current

ICEH

CE “H” Input Current

VCE =3V

6.7

ICEL

CE “L” Input Current

VCE = 0V

0.03

0.1

VCEH

CE “H” Input Voltage

VIN = 12V

1.8

VCEL

CE “L” Input Voltage

VIN = 12V

0.4

BL8519 Datasheet(PDF) 3 Page - SHANGHAI BELLING CO., LTD.

BL8519 Datasheet(HTML) 3 Page - SHANGHAI BELLING CO., LTD.

Html Pages

1 2 3 4 5 6 7

Datasheet Download

Link URL