BP3126

High Precision PSR Constant Current LED Driver

BP3126_EN_DS_Rev.1.0

www.bpsemi.com

2

Bright Power Semiconductor Co. Confidential – Customer Use Only

Ordering Information

Part Number

Package

Operating

Temperature

Package Method

Marking

BP3126

DIP8

-40℃ to 105℃

Tube

50 Piece/Tube

BP3126

XXXXXY

WWXYY

Pin Configuration and Marking Information

GND

FB

VCC

CS

NC

DRAIN

DRAIN

NC

Figure 2. Pin configuration

Pin Definition

Pin No.

Name

Description

1

GND

Ground

2

FB

Feedback. This pin detects the output information from auxiliary

winding.

3

VCC

Power supply

4

CS

Current sense. This pin connects a current sense resistor to GND to detect

the primary current of transformer.

5,6

DRAIN

Internal high voltage MOSFET drain.

7,8

NC

No connection, must be floated

XXXXXY: lot code

WW: Sign

X: Year

YY：Week