isl9440b Intersil Corporation, isl9440b Datasheet - Page 5

• Manufacturer Part Number: isl9440b
• Description: Triple Step-down Pwm And Single Linear Controller With Programmable Soft-start
• Manufacturer: Intersil Corporation

Typical Application - ISL9440C
VOUT1
+1.0V, 6A
25.5k
102k
R1
R2
+2.5V, 800mA
+
VOUT4
2200pF
4700pF
CFF1
CP1
330µF
6TPF330M9L
CIN2
CO1
10µF
VOUT2
1.0µH
100µF
+3.3V
0.1µF
L1
FDS8433A
C2
C6
+
5
Q4
10k
C
21.5k
R9
R8
C
100k
200k
C
R15
R16
100k
R17
SS3
22nF
SS1
SS2
22nF
22nF
Q1
IRF7907
0.1µF
C4
R7
51
1.82k
R3
OCSET1
OCSET3
OCSET2
UGATE1
PHASE1
LGATE1
LDOFB
BOOT1
EN/SS1
EN/SS3
EN/SS2
ISEN1
FB1
G4
ISL9440B, ISL9440C
CINF
1µF
10
14
17
31
30
1
29
6
7
15
32
9
12
5
VIN
ISL9440C
4
PGND
3
VCC_5V
23
11
SGND
22
16
26
27
25
24
28
13
20
21
19
18
8 RST
2
BOOT2
UGATE2
PHASE2
ISEN2 R4
LGATE2
FB2
BOOT3
UGATE3
PHASE3
ISEN3 R10
LGATE3
FB3
PGOOD
C1
4.7µF
3.09k
3.09k
V
V
100k
100k
VCC_5V
R13
R14
VCC_5V
RST
PGOOD
+12V
IRF7907
Q2
IRF7907
Q3
1.8µH
0.1µF
C3
0.1µF
C5
L2
2.8µH
+
L3
CIN1
100µF
+
CIN3
+
10µF
6TPF220MI
CIN4
10µF
330µF
6TPF220MI
CO2
CO3
220µF
+12V
CFF2
47pF
R11
R12
20k
105k
January 15, 2009
R6
10.7k
VOUT3
34k
R5
+3.3V, 6A
+5V, 4A
CFF3
220pF
VOUT2
FN6799.0