Datasheet

Data Sheet AD5253/AD5254
Rev. C | Page 27 of 32
03824-0-045
AD8594
U3B
U3A
AD8594
+5V
C10
U3D
SCL
SDA
R4 R3 R2
C1
22k 22k
250k 250k
10k
10k
10k
250k
10k
10k
10k
4.7
0.1
4.7
0.1
4.7
0.1
100k
10F
390F
0.1F
10F
10F
R7R6
A3
U1
RDAC3
CLK
SDI
A2
B2
A1
B1
RDAC2
RDAC1
A0
L1 - SLF6025-100M1R0
D1 - MBR0520LT1
W0
PWM
W1
W2
B0
RDAC0
GND AD0 AD1
AD5254
B3
R
C
R1
R5
U2
D1
DB1
DB2
DB3
DG1
DG2
DG3
DR1
V
OUT
DR2
DR3
VB
N3
IB
IG
IR
VG
VRB
N2
C3
R10
RB
R9
R8
VRR
IRFL3103
IRFL3103
IRFL3103
VR
RR
RG
VRG
N1
+5V
C11
8
U3C
4
L1
V
DD
C
SS
C
C
V
SS
V
REF
= 2.5V
10F
0.1F
AD8594
AD8594
SD
V+
V–
ADP1610
IN
SW
FB
COMP
SS RT GND
SD
Figure 45. Digital Potentiometer-Based RGB LED Controller