SP6682UEB
Evaluation Board Manual
Low-profile, inductor-less White LED Driver
Automatic Transition from X1.5 to X2 mode
for highest efficiency
PWM dimming control
>100mA output current @ 2.8V input
Less than 1.5uA shutdown current
10 pin MSOP
SP6682 Evaluation Board Schematics
LEDA
C2
2.2uF
1
J1
SP6682
Vout
C1P
Vin
Vmode
FB
C2P
C1N
GND
C2N
EN/PWM
10
9
8
7
6
C5
2.2uF
J2
C4
2.2uF
C6
0.1uF
D1
D2
LED
D3
LED
D4
LED
LED
Vin: 2.7-4.2V
R1
158K
C1
2.2uF
R2
100K
2
3
4
5
LEDK
Open
C3
Rfb
5.1
R6
20
R7
20
R8
20
R9
20
0.1uF
Regulate 60mA total output
current
VMODE
R3
1.0M
GND
ENABLE/PWM