NCP1406
L1 4.7 mH
D1
TP1
TP3
V
OUT
I
LED
V
IN
JP1
ON
100 mA
3.0 V to 5.5 V
C1
22 mF
6.3 V
C2
TP2
GND
TP4
GND
CE
1
LX
5
CE
10 mF
16 V
FB
2
OFF
White LED x 3
Control
Signal
VDD
3
GND
4
R2
100 kW
U1: NCP1406, ON Semiconductor
D1: MBR0520LT1, ON Semiconductor
L1: CR43−4R7MC, Sumida
R1
12 W
1.19 V
R1
I
+
LED(DC)
C1: ECJHVB0J226M, Panasonic
C2: ECJ3YB1C106M, Panasonic
LED1, LED2, LED3: LWH1033 (Luxpia)
R1: 12 W
R2: 100 kW
Figure 57. White LEDs Driver Circuit
http://onsemi.com
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