ISL6440 Intersil Corporation, ISL6440 Datasheet - Page 2

• Manufacturer Part Number: ISL6440
• Description: Step-Down PWM Controller
• Manufacturer: Intersil Corporation

Typical Application Schematic
+1.8V, 2A
VOUT1
12.4K
10K
R3
R4
330µF
C9
+
BAT54HT1
10µF
C3
6.4µH
0.1µF
L1
FDS6990S
C7
D1
2
Q1
0.1µF
C4
1.4K
R1
UGATE1
PHASE1
LGATE1
BOOT1
PGND
ISEN1
SD1
SD2
SS1
FB1
SGND
17
23
22
20
24
19
14
18
8
21
VIN
16
12
ISL6440IA
ISL6440
13
BIAS
7
VCC5
6
PGOOD
10
15
11
R9
10K
4
9
2
3
5
1
OCSET2
4.7µF
SS2
BOOT2
UGATE2
PHASE2
ISEN2
LGATE2
FB2
OCSET1
C2
121K
121K
R8
R7
1.4K
R2
0.1µF
C5
VCC5
FDS6990S
Q2
C8
0.1µF
D2
BAT54HT1
6.4µH
L2
C6
10µF
VCC5
+
+
330µF
C10
56µF
C1
31.6K
R6
10K
R5
PGOOD
October 4, 2005
+3.3V, 2A
VOUT2
FN9040.2
+12V