Datasheet

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: 3000VAC, 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: TBDmADC saturating current that causes 20% rolloff from initial inductance.
LEAKAGE INDUCTANCE: 30µH 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 Drawing Number Rev.
Toll Free: 800-643-2661
Fax: [phone]
Transformer
750813049
00
This drawing is dual dimensioned.
Dimensions is brackets are in millimeters
Revisions: See Sheet 1
Scale ---- Spec 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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