BP3102

High Precision PSR Constant Current LED Driver

BP3102_DS_Rev.1.0

www.bpsemi.com

4

Bright Power Semiconductor Co. Confidential – Customer Use Only

Electrical Characteristics(Notes 4,5) (Unless otherwise specified, VCC=12V and TA =25 ℃)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Units

Supply Voltage Section

VCC-th

Turn on threshold voltage

VCC rising

13

14

15

V

VUVLO

Turn of threshold voltage

6.5

V

VOVP

VCC over voltage

protection level

16

V

VCC_clamp

Zener diode clamped

voltage

ICC=10mA

19

V

Current Sense Section

VCS-th

Threshold voltage for

peak current limit

490

500

510

mV

TLEB

Leading edge blanking

time for current sense

500

nS

TDELAY

Switch off debounce time

200

nS

Operation Current Section

IST

Start up current

VCC= VCC-th- 1V

25

50

uA

IOP

Operating current

FOP=40kHz

1.5

mA

Feedback Section

VFB

FB voltage sense level

1

V

TDemag_Min

Minimum

demagnetization time

4

uS

ΔVCS/ΔIFBUP

Line compensation ratio

(note 6)

1.1

mV/uA

Maximum Duty Cycle

DMAX

Maximum duty cycle

42

%

Over Temperature Protection

TSD

Thermal shutdown

threshold

150

℃

TSD-HYS

Thermal shutdown

hysteresis

20

℃