STEVAL-ILL055V1
High-efficiency isolated offline LED drive with 11 W fixed output
and high PF, based on the HVLED815PF (EU input range)
Data brief
Description
Features
•
•
•
•
•
•
•
Input:
−
Voltage: 185 – 264 Vac
−
Frequency: 45 – 55 Hz
Output:
−
Current: 640 mA
−
Voltage: 6 LED module (blue or white)
Power factor
−
> 0.9
Efficiency
−
84%
PCB type and size:
−
FR4
−
Double layer
−
Copper thickness: 35 µm
−
LED driver size: 17 x 55 mm
−
Board size: 34 x 88 mm
Isolation
−
Isolated 2 kV / 4 mm isolation gap
EMI
−
According to EN55022 Class B
April 2014
The STEVAL-ILL055V1 is an isolated SMPS
designed in high power factor flyback topology. It
generates a 640 mA nominal output current,
delivering up to 11 W of output power and
provides a cost-effective and space-saving
solution. This product evaluation board is based
on the HVLED815PF, a monolithic converter
integrating both an 800 V avalanche-rugged
MOSFET and PWM controller in a single
package.
DocID026196 Rev 1
For further information contact your local STMicroelectronics sales
office
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Schematic diagram
1
STEVAL-ILL055V1
Schematic diagram
Figure 1: STEVAL-ILL055V1 circuit schematic
C10
C3
R1
120k
1nF
L1
2.2nF
T1
D3
+ LED
3.3mH
STPS3150UF
15
16
DRAIN
DRAIN
R17
330k
DRAIN
12
14
13
NC
DRAIN
10
11
NA
NA
9
D1
C14
50V
10uF
R12
150k
2
1
SOURCE
CS
VCC
10R
- LED
D2
1N4148
R8
47k
1
2
GND
ILED
4
3
5
6
DMG
COMP
R18
330k
7
C2
100nF
8
C1
68nF
P2
C13
50V
10uF
R9
HVLED815PF
BD1
C12
25V
470uF
U1
R15
1W
10R
N
L
R5
5k1
C5
1uF
D4
1N4148
2
1
R19
3k
GND
C21
68nF
R7
12k
C6
470nF
C7
1nF
R2
3R6
R3
1R5
C8
100nF
C4
10uF
P1
2/4
C15
22uF
GSPG0904140910SG
DocID026196 Rev 1
STEVAL-ILL055V1
2
Revision history
Revision history
Table 1: Document revision history
Data
Revision
14-Apr-2014
1
DocID026196 Rev 1
Changes
Initial release
3/4
STEVAL-ILL055V1
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