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PDF iW3623 Data sheet ( Hoja de datos )
| Número de pieza | iW3623 | |
| Descripción | AC/DC Digital Power Controller | |
| Fabricantes | Dialog Semiconductor | |
| Logotipo |  |
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iW3623
AC/DC Digital Power Controller for
High Power Factor Dimmable LED Drivers
1 Description
The iW3623 is a high-performance AC/DC off-line power supply controller for LED
luminaires. The iW3623 combines power factor correction and LED current regulation into
one controller. It achieves PF > 0.95 and THD < 10% for 100–277VAC input voltage range.
The iW3623 operates in quasi-resonant mode to provide high efficiency. The device uses
Dialog’s advanced PrimAccurate™ primary-side sensing technology to achieve excellent
line and load regulation without a secondary-feedback circuit. In addition, the iW3623’s
pulse-by-pulse waveform analysis technology allows accurate LED current regulation. The iW3623 maintains stability
over all operating conditions without the need for loop compensation components.
2 Features
●● Isolated AC/DC off-line LED driver
●● Power factor > 0.95 for wide input voltage range
100 – 277VAC
●● Total harmonic distortion (THD) < 10%
●● Under 5% 100Hz/120Hz output current ripple
●● Resonant control to achieve high efficiency
●● LED current foldback with external NTC
●● Small size design
xx Small size input bulk capacitor
xx Small size output capacitor
xx Small transformer
●● PrimAccurate™ primary-side sensing eliminates the
need for optocoupler feedback and simplifies design
●● Tight LED current regulation ± 5%
●● Under 0.5 second start-up time
●● Hot-plug LED module support
●● Multiple protection features:
xx LED open circuit protection
xx Single-fault protection
xx Over-current protection
xx LED short-circuit protection
xx Current sense-resistor-short-circuit protection
xx Input over-voltage and brown-out protection
3 Applications
●● Non-dimmable LED lamps and luminaires
●● Optimized for up to 45W output power
Product Summary
www.dialog-semiconductor.com
Rev. 1.6
1 of 6
25-May-2016
© 2016 Dialog Semiconductor
1 page  
iW3623
AC/DC Digital Power Controller for
High Power Factor Dimmable LED Drivers
6 Physical Dimensions
D
14
E1
1
e
TOP VIEW
A1
ccc
COPLANARITY
0.10 (0.004)
b
14-Lead SOIC Package
8
E
7
A
0
SEATING
PLANE
SIDE VIEWS
h x 45°
c
Inches
MIN MAX
A 0.053 0.069
A1 0.004 0.010
b 0.013 0.020
c 0.007 0.010
D 0.337 0.344
E1 0.150 0.157
E 0.228 0.244
e 0.050 BSC
L 0.016 0.050
L h 0.010 0.020
0 0°
8°
ccc 0.004
Compliant to JEDEC Standard MS12F
Controlling dimensions are in inches; millimeter dimensions are for reference only
This product is RoHS compliant and Halide free.
Soldering Temperature Resistance:
[a] Package is IPC/JEDEC Std 020D Moisture Sensitivity Level 1
[b] Package exceeds JEDEC Std No. 22-A111 for Solder Immersion Resistance; package can withstand
10 s immersion < 260˚C
Dimension D does not include mold flash, protrusions or gate burrs. Mold flash, protrusions or gate burrs shall
not exceed 0.15 mm per end. Dimension E does not include interlead flash or protrusion. Interlead flash or
protrusion shall not exceed 0.25 mm per side.
The package top may be smaller than the package bottom. Dimensions D and E are determined at the
outermost extremes of the plastic body exclusive of mold flash, tie bar burrs, gate burrs and interlead flash, but
including any mismatch between the top and bottom of the plastic body.
Figure 6.1 : 14-Lead SOIC Package
Millimeters
MIN MAX
1.35 1.75
0.10 0.25
0.33 0.51
0.19 0.25
8.55 8.75
3.80 4.00
5.80 6.20
1.27 BSC
0.40 1.27
0.25 0.50
0° 8°
0.10
7 Ordering Information
Part no.
iW3623-00
Options
Note 1: Tape & Reel packing quantity is 2,500/reel. Minimum ordering quantity is 2,500.
Package
SOIC-14
Description
Tape & Reel1
Product Summary
www.dialog-semiconductor.com
Rev. 1.6
5 of 6
25-May-2016
© 2016 Dialog Semiconductor
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet iW3623.PDF ] | |
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