IS32LT3120 Dual Channel Linear LED Driver With Fade In/Fade Out
VCC
VCC
C6
2
1
GND
47uF/63V
C3
1uF
K1
R1
R2
K2
C2
C1
NC
NC
RW1
R3
100K
0~500K
TP1
RW2
R4
10K
0~100K
BILL OF MATERIALS
Name
Symbol
LED Driver
U1
Resistor
R3
Resistor
R4
Resistors
R1,R2
Variable
RW1,
Resistor
Variable
RW2
Resistor
Capacitor
C6
Capacitor
C5
Capacitor
C3,C4
Button
K1,K2
Terminal
OUT1,OUT2
blocks
Bill of materials, refer to Figure 2 above.
Integrated Silicon Solution, Inc. – www.issi.com
Rev. A,08/11/2014
VCC
U1
6
VCC
C4
C5
OUT1
1uF
0.1uF
OUT2
0R
8
EN1
0R
7
EN2
1
TSET
GND
2
ISET
IS32LT3120
TP2
Figure 2: IS32LT3120 Application Schematic
Description
LED Driver
RES,100k,1/8W,±1%,SMD
RES,10k,1/8W,±1%,SMD
RES,0ohm,1/16W,±5%,SMD
RES,0~500K
RES,0~100K
CAP,47µF,63V,±20%,SMD
CAP,0.1µF,50V,±10%,SMD
CAP, 1µF,50V,±10%,SMD
Momentary Button SMD
green terminal blocks
OUT1 Terminal
OUT2 Terminal
JP1
4
OUT1
JP2
5
OUT2
LED1
3
LED3
LED5
Qty
Supplier
1
ISSI
1
YAGEO
1
YAGEO
2
YAGEO
1
1
1
1
YAGEO
2
YAGEO
2
2
LED2
1
1
2
2
3
3
LED4
JP3
JP4
1
1
2
2
3
LED6
3
JP5
JP6
Part No.
IS32LT3120
RC1206FR-07100KL
RC1206FR-0710KL
RL0603JR-0700RL
CC0603JKX7R9BB104
CC0805JKX7R9BB105
3
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