DFN3030D-8 View Datasheet(PDF) - Diodes Incorporated.

Part Name

Description

Manufacturer

DFN3030D-8

LINEAR MODE CURRENT SINK LED DRIVER

Diodes Incorporated. 

DLD101

LINEAR MODE CURRENT SINK LED DRIVER

Features

Mechanical Data

• Primarily Designed for Driving LED/s for Illumination, Signage

and Backlighting Applications

• Ideally Suited for Linear Mode Constant Current Applications

• VBE Referenced Current Sink Circuit

• Includes:

• N-Channel Enhancement Mode MOSFET (Q1)

• Base Accessible Pre-Biased Transistor (Q2)

• High Voltage Capable (50V)

• Small Form Factor Surface Mount Package

• High Dissipation Capability

• Low Thermal Resistance

• Lead Free By Design/RoHS Compliant (Note 1)

• "Green" Device (Note 2)

• Qualified to AEC-Q101 Standards for High Reliability

• Case: DFN3030D-8

• Case Material: Molded Plastic, "Green" Molding Compound.

UL Flammability Classification Rating 94V-0

• Moisture Sensitivity: Level 1 per J-STD-020

• Terminals: Finish — NiPdAu over Copper leadframe. Solderable

per MIL-STD-202, Method 208

• Marking Information: See Page 6

• Ordering Information: See Page 6

• Weight: 0.0172 grams (approximate)

VCC Supply

RC

LED String

S2 B1 B1’ E1

8 7 65

R1 R2

Q1

Q2

12 34

D2 G2 NC C1

Top View

Internal Schematic

S2 B1 B1’ E1

8 765

1 234

D2 G2 NC C1

Top View

Package Pin-Out Configuration

43

2

1

GD

C

Q2

B

R2

E

R1

VDS

Q1

S

56 7 8

Option 3

Option 2

Option 1

RS

Option 3:

ILED

≈

VBE

RS

Options 1 & 2:

ILED ≈

1.1 VBE

RS

Option 2:

Capacitor is across R2 for

better noise performance.

Typical Application Circuit for Linear

Mode Current Sink LED Driver

Maximum Ratings: (Q1) @TA = 25°C unless otherwise specified

Characteristic

Symbol

Value

Unit

Drain Source Voltage

VDSS

100

V

Gate-Source Voltage

VGSS

±20

V

Drain Current (Note 3)

TA = 25°C

TA = 70°C

ID

1.0

0.8

A

Drain Current (Note 3)

Pulsed

IDM

3.0

A

Body-Diode Continuous Current (Note 3)

IS

1.0

A

Maximum Ratings: (Q2) @TA = 25°C unless otherwise specified

Supply Voltage

Input Voltage

Output Current (DC)

Characteristic

Symbol

VCC

VIN

IO

Value

50

-5 to +30

100

Unit

V

V

mA

Thermal Characteristics – Total Device

Characteristic

Power Dissipation (Note 3) @TA = 25°C

Thermal Resistance Junction to Ambient Air (Note 3) @TA = 25°C

Thermal Resistance Junction to Case Air (Note 3) @TA = 25°C

Operating and Storage Temperature Range

Symbol

PD

RθJA

RθJC

TJ, TSTG

Value

0.7

178

30

-55 to +150

Notes:

1. No purposefully added lead.

2. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.

3. Part mounted on FR-4 substrate PC board, with minimum recommended pad layout (see page 6).

DLD101

Document number: DS32007 Rev. 6 - 2

1 of 7

www.diodes.com

Unit

W

°C/W

°C/W

°C

February 2010

© Diodes Incorporated

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