TYPICAL APPLICATIONS
LOGIC COMMANDS AND REGISTERS
TYPICAL APPLICATIONS
MANUAL MODE (Single Wire Control)
22uH
VIN = 24V
1
2
LED MATRIX (16S10P)
VOUT
U1
D1
1
4
3
2
1
VIN
SWA
SWB
13.8uF
+
47uF
+
28
31
23
VDC1
VDC2
VDC3
32
VOUT
2.2uF
5
2
PGNDA
PGNDB
2.2uF
29
22
COMP
SLOPE
2.2uF
0
5.6K
1.8nF
309K
0
56pF
VCC
Master CK
Output
3.3K
24
7
18
CK
EN
FAIL
0
0
0
25
8
9
PWM
I0
I1
I2
I3
I4
I5
I6
I7
I8
I9
CLK
27
26
10
11
12
13
14
15
16
17
SCK
SDA
VOUT
0
150K
OVP
= 55V
6
30
A0/SEN
M/~S
20K
VDC1
5.1K
19
ISET
VDC1
20
21
PIN
NIN
33
GND
0
34844
0
Figure 18. Manual Mode (Single Wire Control)
MANUAL MODE (Two Wire Control)
22uH
VIN = 24V
1
2
LED MATRIX (16S10P)
VOUT
U2
D5
1
4
3
2
1
VIN
SWA
SWB
13.8uF
+
47uF
+
28
31
23
VDC1
VDC2
VDC3
32
VOUT
2.2uF
5
2
PGNDA
PGNDB
2.2uF
29
22
COMP
SLOPE
2.2uF
0
5.6K
1.8nF
309K
0
56pF
VCC
Master CK
Output
3.3K
24
7
18
CK
EN
FAIL
0
0
0
EN
25
8
9
PWM
I0
I1
I2
I3
I4
I5
I6
I7
I8
I9
Control
Unit
PWM
27
26
10
11
12
13
14
15
16
17
SCK
SDA
VOUT
150K
0
OVP
= 55V
6
30
A0/SEN
M/~S
20K
VDC1
5.1K
19
ISET
VDC1
20
21
PIN
NIN
33
GND
0
34844
0
Figure 19. Manual Mode (Two Wire Control)
22uH
VIN = 24V
1
2
LED MATRIX (16S10P)
VOUT
U3
D8
1
4
3
2
1
VIN
SWA
SWB
13.8uF
+
47uF
+
28
31
23
VDC1
VDC2
VDC3
32
VOUT
2.2uF
5
2
PGNDA
PGNDB
2.2uF
29
22
COMP
SLOPE
2.2uF
0
5.6K
1.8nF
309K
0
56pF
VCC
Master CK
3.3K
24
7
18
CK
EN
FAIL
0
0
0
25
8
9
VDC1
0
PWM
I0
I1
I2
I3
I4
I5
I6
I7
I8
I9
SCK
SDA
27
26
10
11
12
13
14
15
16
17
SCK
SDA
Control
Unit
6
30
A0/SEN
M/~S
VDC1
5.1K
19
ISET
VDC1
20
21
PIN
NIN
33
GND
0
34844
0
Figure 20. SM Bus Mode
34844
Analog Integrated Circuit Device Data
Freescale Semiconductor
28
FREESCALE [ Freescale ]
