BCR402WE6327 Infineon Technologies, BCR402WE6327 Datasheet

BCR402WE6327

Manufacturer Part Number

BCR402WE6327

Description

IC LED DRIVER LINEAR SOT-343

Manufacturer

Infineon Technologies

Type

Linear (Non-Switching)r

Datasheet

1.BCR_402W_H6327.pdf (8 pages)

Specifications of BCR402WE6327

Mfg Application Notes

BCR400 Lighting App Note

Constant Current

Yes

Topology

Linear (LDO)

Number Of Outputs

Internal Driver

Yes

Type - Primary

General Purpose

Voltage - Supply

18V

Mounting Type

Surface Mount

Package / Case

SC-70-4, SC-82-4, SOT-323-4, SOT-343

Current - Output / Channel

60mA

Internal Switch(s)

Yes

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Voltage - Output

Frequency

Operating Temperature

Efficiency

Other names

BCR402WE6327INTR
BCR402WE6327XT
SP000274679

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LED Driver

Features

Applications

General Description

The BCR402W is a cost efficient LED driver to drive low power LED’s. The advantages

towards resistor biasing are:

The advantages towards discrete solutions are:

Dimming is possible by using an external digital transistor at the ground pin.

The BCR402W can be operated at higher supply voltages by putting LED’s between the

power supply +VS and the power supply pin of the LED driver. You can find further details

in the application note AN182.

The BCR402W is a perfect fit for numerous low power LED applications by combining small

form factor with low cost. These LED drivers offer several advantages to resistors like

significantly higher current control at very low voltage drop ensuring high lifetime of LED’s.

(negative thermal coefficient)

Low voltage overhead of 1.2V

No EMI

RoHS compliant (pb-free) small SOT343 package

Channel letters for advertising, LED strips for decorative lighting

Aircraft, train, ship illumination

LED drive current of 20mA

Output current adjustable up to 60mA with

Supply voltage up to 18V

Easy paralleling of drivers to increase current

High current accuracy at supply voltage variation

Reduced output current at higher temperatures - negative thermal coefficient of -0.3% / K

Qualified according AEC Q101

Retrofits for general lighting, white goods like refrigerator lighting

Medical lighting

homogenous light output despite varying forward voltages in different LED strings

homogenous light output of LED’s despite voltage drop across long supply lines

homogenous light output independent from supply voltage variations

longer lifetime of the LED’s due to reduced output current at higher temperatures

lower assembly cost

smaller form factor

better quality due to less soldering points

higher output current accuracy due to pretested LED drivers

external resistor

BCR402W

2010-01-12

Related parts for BCR402WE6327

BCR402WE6327 Summary of contents

Page 1

LED Driver Features LED drive current of 20mA Output current adjustable up to 60mA with external resistor Supply voltage up to 18V Easy paralleling of drivers to increase current Low voltage overhead of 1.2V High current accuracy at supply voltage ...

Page 2

Pin Configuration 4 1 Type Marking BCR402W W6s Maximum Ratings Parameter Supply voltage Output current Output voltage Reverse voltage between all terminals Total power dissipation Junction temperature Storage temperature Thermal Resistance Parameter 1) Junction - soldering point 1 ...

Page 3

Electrical Characteristics at T Parameter Characteristics Collector-emitter breakdown voltage I = 100 µ Supply current current gain mA Internal resistor ...

Page 4

Total power dissipation P 550 mW 450 400 350 300 250 200 150 100 Permissible Pulse Load totmax totDC ...

Page 5

Output current versus supply voltage Parameter out S ext Load: two LEDs with V = 3.8V in series Rext = 68 Ohm Rext = open - ...

Page 6

Standard Application Circuit 402W Application hints BCR402W serves as an easy to use constant current source for LEDs. In stand alone application an external resistor can be connected to adjust the current from ...

Page 7

Package Outline +0.1 0.3 -0.05 4x 0.1 Foot Print Marking Layout (Example) Standard Packing Reel ø180 mm = 3.000 Pieces/Reel Reel ø330 mm = 10.000 Pieces/Reel Pin 1 Package SOT343 2 ±0.2 0.1 MAX. 1.3 0 0.15 1 ...

Page 8

... For information on the types in question, please contact the nearest Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Infineon Technologies failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiveness of that device or system. ...

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