BP9833A

Non-isolated Buck Offline LED Driver

BP9833A_EN _DS_Rev.1.2

www.bpsemi.com

4

BPS Confidential – Customer Use Only

晶丰明源半导体

Electrical Characteristics (Notes 4, 5) (Unless otherwise specified, VCC=15V and TA =25 ℃)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Supply Voltage Section

VCC_CLAMP

VCC Clamp Voltage

1mA

16.8

V

VCC_ON

VCC Turn On Threshold

VCC Rising

13.8

V

VCC_UVLO

VCC Turn off Threshold

VCC Falling

9

V

IST

VCC Startup Current

VCC= VCC-ON - 1V

120

180

uA

IOP

VCC Operating Current

FOP=70KHz

100

150

uA

Current Sense Section

VCS_TH

Threshold Voltage for

Peak Current Limit

388

400

412

mV

TLEB

Leading Edge Blanking

Time for Current Sense

350

ns

TDELAY

Switch Off Delay Time

200

ns

Internal Time Control Section

TOFF_MIN

Minimum OFF Time

3

us

TOFF_MAX

Maximum OFF Time

330

us

TON_MAX

Maximum On Time

40

us

VROVP

ROVP Pin Voltage

0.5

V

MOSFET Section

RDS_ON

Static Drain-source

On-resistance

VGS=15V/IDS=0.4A

5

Ω

BVDSS

Drain-Source Breakdown

Voltage

VGS=0V/IDS=250uA

500

V

IDSS

Power MOSFET Drain

Leakage Current

VGS=0V/VDS=500V

1

uA

Thermal Regulation Section

TREG

Thermal Regulation

Temperature

150

℃

Note 4: production testing of the chip is performed at 25°C.

Note 5: the maximum and minimum parameters specified are guaranteed by test, the typical value are guaranteed by design, characterization and statistical

analysis