Application
Note 1
8
22
5
AN
1822.
1
Ma
y 7, 20
1
5
Submi
t D
ocument
Feedba
ck
ISL6446ADEMO1Z Schematic
VIN
5V
FB2
SS2
VIN
3V3
FB2
3V3
VIN
5V
VIN
SS1
SS2
VIN
PH1
PH2
PH1
VIN
5VS
5V
PH2
VIN
3V3S
3V3
Title
Size
Document Number
<Doc>
<Title>
B
Title
Size
Document Number
<Doc>
<Title>
B
Title
Size
Document Number
<Doc>
<Title>
B
L2
2UH
C17
4.7UF
C30
820UF
Q8
C14
0.01UF
C26
47UF
L4
0.2UH
L3
0.2UH
C41
10UF
C24
270UF
C25
47UF
C27
47UF
C23
270UF
C40
10UF
C4
220PF
C5 DNP
C21
22UF
Q11
R6
15K
Q12
R18
20
C43
1UF
C13
0.01UF
R5
68K
R2
10K
Q6
C16
1UF
R12
100K
R1
10K
R9
1.3K
C8
0.47UF
C19
22UF
R11 56K
R14
51K
R4
15K
C3
1000PF
C9
1000PF
C42
1UF
C12
1000PF
R19
20
Q9
C18
0.1UF
R8 10K
C28
47UF
Q7
C29
820UF
Q4
2N7002
C20
22UF
Q1
2N7002
C22
22UF
C10 0.47UF
Q5
R16 0
C11
1000PF
C15
0.1UF
L1
2UH
Q2
NPN
Q3
2N7002
J1
CON10
1
2
3
4
5
6
7
8
9
10
C7 1000PF
R7 10K
C1
1000PF
R17
0
R13
9.1K
R3
110K
C6
DNP
U1
ISL6446A
OCSET1
1
SS1/EN1
2
COMP1
3
FB1
4
RT
5
SGND
6
LCDR
7
LCFB
8
FB2
9
COMP2
10
SS2/EN2
11
OCSET2
12
PGOOD
13
BOOT2
14
UGATE2
15
PHASE2
16
LGATE2
17
PGND
18
VCC
19
LGATE1
20
PHASE1
21
UGATE1
22
BOOT1
23
VIN
24
R10 1.3K
R15
20K
C2
220PF
Q10
FIGURE 5. ISL6446ADEMO1Z SCHEMATIC
