ELECTRICAL SPECIFICATIONS @ 25°C unless otherwise noted:

D.C. RESISTANCE (@20°C ): 3

-1 , 2.90 Ohms ±10%.

5-4 , 0.320 Ohms ±10%.

7-6 , 0.345 Ohms ±10%.

DIELECTRIC RATING:

3

000VAC, 1 minute tested by applying 3750VAC for 1 second between

pins 3-7(tie 1+5).

INDUCTANCE:

1

.30mH ±10%, 70kHz, 100mVAC, 0mADC, 3-1, Ls.

SATURATION CURRENT:

T

BDmADC saturating current that causes 20% rolloff from initial inductance.

LEAKAGE INDUCTANCE:

3

0µH max., 100kHz, 100mVAC, 3-1(tie 4+5, 6+7), Ls.

TURNS RATIO:

(

3-1 ):( 5-4 ), ( 8.35 ):(1.00), ±2%.

( 3-1 ):( 7-6 ), ( 4.18 ):(1.00), ±2%.

( 3-2 ):( 2-1 ), ( 1 ):(1.00), ±2%.

OPERATING TEMPERATURE RANGE: -40°C to +125°C includ ing temp rise.

Designed to comply with the following requirements as defined by IEC60950-1, EN60950-1, UL60950-1/CSA60950-1

and AS/NZS60950.1: - Reinforced insulation for a primary circuit at a working voltage of 200VDC.

Wire insulation & RoHS status not affected by wire color. Wire insulation color may vary depending on availability.

WE-Midcom, Inc.

Unless otherwise specified, tolerances are as follows:

Angles: ±1°

Fractions: ±1/64

Decimals:±.005(.127mm)

WE-Midcom, Inc.

Watertown, SD USA

Drawing Title

D

rawing Number

R

ev.

Toll Free: 800-643-2661

Fax: 605-886-4486

Transformer

750813049

00

This drawing is dual dimensioned.

Dimensions is brackets are in millimeters

Revisions: See Sheet 1

Scale ---- S

pec Sheet 1 of 1

Engineer:EJK

03/21/2012

PRI

127 - 191VDC

70kHz

AUX

15VDC, 20mADC

SEC

30VDC, 280mADC

www.ti.com

Performance Data and Typical Characteristic Curves

7.13 Transformer Specification

Figure 28. Transformer Specification

21

SLUU937 – May 2012

LM3447-A19-120VEVM is a Phase-Dimmable, Primary-Side Regulated LED

Driver

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