Texas Instruments LM3447 Flyback Controller for LED Lighting Evaluation Module Board LM3447-A19-230VEVM LM3447-A19-230VEVM Datenbogen
Produktcode
LM3447-A19-230VEVM
ELECTRICAL SPECIFICATIONS @ 25°C unless otherwise noted:
D.C. RESISTANCE (@20°C ):
3
-1 , 7.37 Ohms ±10%.
5-4 , 0.605 Ohms ±10%.
6-7 , 0.625 Ohms ±10%.
DIELECTRIC RATING:
3
000VAC, 1 minute tested by applying 3750VAC for 1 second between pins 3-7 (tie 1+5).
INDUCTANCE:
3
.2 mH ±10%, 10kHz, 100mVAC, 0mADC, 3-1, Ls.
LEAKAGE INDUCTANCE:
5
0µH nom., 75µH max.,100kHz, 100mVAC, 3-1 (tie 5+4, 6+7), Ls.
SATURATION CURRENT:
520mA saturating current that causes 20% rolloff from initial inductance.
TURNS RATIO:
(
3-1 ):( 5-4 ), ( 11.2 ):(1.00), ±1%.
( 3-1 ):( 7-6 ), ( 5.6 ):(1.00), ±1%.
( 3-2 ):( 2-1 ), ( 1 ):(1.00), ±1%.
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 400VDC.
and AS/NZS60950.1: - Reinforced insulation for a primary circuit at a working voltage of 400VDC.
OPERATING TEMPERATURE RANGE:
-
40°C to 125°C including temp. rise.
T_0_5472
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
Fax: 605-886-4486
Transformer
750815047
00
This drawing is dual dimensioned.
Dimensions is brackets are in millimeters
Revisions: See Sheet 1
Scale ----
S
pec Sheet 1 of 1
Engineer:JJB
06/26/2012
PRI
185-265VDC
70kHz
AUX
15VDC, 20mADC
SEC
30VDC, 280mADC
7
50815047
Performance Data and Typical Characteristic Curves
7.13 Transformer Specification
Figure 28. Transformer Specification
21
SLUU978 – June 2012
LM3447-A19-230VEVM is a Phase-Dimmable, Primary-Side Regulated LED
Driver
Copyright © 2012, Texas Instruments Incorporated