UM10516
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© NXP B.V. 2012. All rights reserved.
User manual
Rev. 1 — 27 March 2012
5 of 16
NXP Semiconductors
UM10516
230 V 7 W GU10 buck converter SSL2101 reference board
2. Safety
warning
This board is connected to the mains voltage. Avoid touching the board while it is
connected to the mains voltage. An isolated housing is obligatory when used in
uncontrolled, non-laboratory environments. Galvanic isolation of the mains phase using a
variable transformer is always recommended.
3. Specifications
a. Isolated
b. Non-isolated
Fig 4.
Variable transformer (Variac) isolation symbols
019aab173
019aab174
Table 1.
Specifications for the reference board
Symbol
Parameter
Value
V
mains
AC mains supply voltage
230 V
V
LED
DC output voltage
15.6 V
I
LED
output current
415 mA
I
o
/
V
o
output voltage rejection
2 mA/V
efficiency
76 %
PF
Power Factor
0.9
f
sw
switching frequency
85 kHz
