© 2016 Fairchild Semiconductor Corporation
9
FEBFL77944_L80L012A_B
• Rev. 1.0
6.
Low-Line without SVF Evaluation Board
6.1.
Evaluation Board Schematic
Figure 2.
Typical Application Circuit of the 12 W Down Light for Low-Line without SVF Condition
Note:
1. The diode D1, D2, D3, D4 can be removed for the without SVF application.
Table 4.
Evaluation Board Circuit Parameters for Low-Line without SVF
Parameter
Value
Unit
Evaluation Board #
FEBFL77944_L80L012A
Input Voltage
108 ~ 132
V
AC
Output Power
12
W
LED
CCT
If(mA)
Vf(V)
Power(W)
Φv(lm)
Lm/W
5700K(G)
42 (Typ.)
31.8
1.27
169
133
Option
Dimming
0 V
– 10 V
Dimmer
SF 10p-W by Cooper Wiring Devices
LED3
LG52xx
U1
FL77944
MODE
16
VIN
1
NC
2
VDD
15
LED1
3
GND
14
NC
13
NC
4
LED2
5
NC
6
LED3
7
NC
8
GND
9
Isense
10
PWM
11
LED4
12
ZD1
10V
C2
153/2012
R1
LED7~9
LED4~6
Mode connects to GND: Enable PWM(DIM) function.
Mode connects to VDD: Disable PWM(DIM) function.
LED10~12
F1
250Vac/2A
R9
105/2012
Low-Line
-
+
U2A
LM258/SO
5
6
7
8
4
R10
475/2012
LED4
LG52xx
LED5
LG52xx
LED6
LG52xx
LED7
LG52xx
LED8
LG52xx
LED9
LG52xx
C3
153/2012
LED10
LG52xx
LED11
LG52xx
Q2
KSP2907
LED12
LG52xx
C1
104/2012
Q1
KSP2907
D1
DIODE
DIM1
503/1W
R4
6R8/2012, 1%
J1
0R0/3216
D2
DIODE
J2
0R0/3216
D3
DIODE
D4
DIODE
TNR1
10D221K
N
L
R5
576R/2012
R7
105/2012
J3
0R0/3216
TVS1
SMCJ100CA
-
+
BD1
MB6S
4
1
3
2
R8
474/2012
J4
0R0/3216
LED2
LG52xx
LED1
LG52xx
R2
103/3216
Isense = (0.92 * Vac) / (1.4 * Wattage)
