Intersil ISL6442, User Manual

Page: 4 / 9

Application Note 1
1
8
1
4
AN
1
1
81
.1
No
ve
m
ber
28,
20
1
1
Schematic
SGND
AS CLOSE TO U1 PIN 11 AND PIN 23 AS POSSIBLE.
+1.8V
+3.3V
GND
GND
3A
GROUND & GROUND ARE TIED TOGETHER
NOTES:
SGND
+5.0V
0.3A
GND
3A
+6.0V
VIN
01/24/2007 THEJU BERNARD
6.04K
C24
OPEN
C18
2 1
R16
4.7
1
1
TP11
1
TP10
1
TP9
1
1
TP13
2 1
C14
2 1
R5
2
1
C16
2 1
R11
2
1
C19
2
1
C22
2
1
C17
2 1
C13
2 1
R9
2
1
R6
2 1
R10
2
1
R4
2 1
C3
2 1
1
C29
2
C28
2
1
C31
2
1
C30
2
1
C33
1
R21
2
1
R22
2
1
2
1
C35
1
C34
2
1
R25
2 1
R2
2 1
C7
2 1
C4
2 1
C6
2 1
C5
2 1
R1
2
1
R19
1
2 1
2 1
R12
1
P13
2
1
R3
1
P12
1
P11
2
1
R8
2
1
C12
2
2
R18
2
1
2
1
C26
2
1
2 1
C20
2 1
C21
2
1
C23
2
1
C37
2
1
C36
2
1
2
1
19
15
11
2
6
5
13
18
12
1
17
20
8
7
9
4
10
3
14
2
1
R23
2
1
R24
2
1
R14
1
TP2
1
TP7
1
TP4
1
TP6
1
TP1
1
P8
2 1
JP1
2 1
JP2
1
4
3
2
SP2
1
4
3
2
SP1
1
4
3
2
SP3
1
P9
3
4 2
1
T1
1
2
8
7
Q2
4
6
5
Q2
4
6
5
Q1
1
2
8
7
Q1
1
P10
1
1
P4
1
P6
1
P1
1
P7
1
P3
1
5.11K
VOUT1
FDS6912A
VIN
EVALUATION BOARD
1
1
TIM KLEMANN
SCHEMATIC
ISL6442EVAL1Z
C
~/ISL6442/ISL6442EVAL1ZC
ISL6442
FB1
FB1
3.24K
0
10.5K
0
5.11K
23.2K
1000PF
DNP
10.2K
0.015UF
0.1UF
EN1
5.49K
ISL6442IAZ
DNP
OPEN
0805
100UF
100UF 10UF 100UF
10UF
OPEN
VOUT2
0.1UF
10UF
8200PF
100PF 0.1UF
1000PF 2.15K
PGOOD
VCC5
EN2
4.7
36.5K
FB2
1.5UH
2.1K
5.11K
0
OPEN
68UF 10UF
0
0.1UF
0.1UF
100
FZT749
0.1UF 100UF
VOUT3
0.1UF
OPEN
37.4K
0.1UF
4.7
47PF
TP8
2
0805
3
16
0805
1
2
U1
21
22
24
0805
R17
TP5
L1
L2
2
P2
1
0.1UF
C9
C10
100UF
C8
1
2
100UF
C1
1
2
2
1
1UF
C15
R13
4.7
1 2
TP3
1
VCC5
4.7UF
1
2
R7
1
C11
1000PF 2.15K
2
P5
10UF
2
R26
C27
TP12
1
2.2UH
TP14
FB2
1500PF
2
R20
VIN3
FDS6912A
3
FDS6912A
FDS6912A
23
C2
1
100UF
R15
1
C32
1
E
E E
E
E
E
D
D
D
D E
D
D
G
S
D
D
G
S
E
D
D G
S
D
D
G
S
E
E
D
E
D
E
E
E
D
D
D
D
D
OCSET1
SS1/EN1
BOOT1
VIN
UGATE1
PHASE1
LGATE1
VCC
PGND
LGATE2
PHASE2
UGATE2
BOOT2
PGOOD
OCSET2
SS2/EN2
COMP2
FB2
LCFB
LCDR
SGND
RT
COMP1
FB1
E
E
E
D
D
OUT
IN
OUT
IN
IN
OUT
OUT
FILENAME:
OF
SHEET
REV.
DATE:
HRDWR ID MASK#
TITLE:
ENGINEER:
DATE:
DATE:
DATE:
TESTER
UPDATED BY:
RELEASED BY:
DRAWN BY:
E
D
C
B
A
7 6 5 4 3 2 1
E
D
C
B
A
F F
8