isl6571 Intersil Corporation, isl6571 Datasheet - Page 4

• Manufacturer Part Number: isl6571
• Description: Complementary Mosfet Driver And Synchronous Half-bridge Switch
• Manufacturer: Intersil Corporation

+12VIN
+5VIN
POWER
GOOD
R
FS
+12VIN
+5VIN
PWM
18
17
19
5
4
2
1
3
8
FS/DIS
PWM4
ISEN4
PGOOD
VID0
VID1
VID2
VID3
VID4
GND
9
HIP6301
20
R
VCC
U1
OFFSET
4
VSEN
PWM2
ISEN2
COMP
PWM3
ISEN3
PWM1
ISEN1
10
FB
FIGURE 2. SIMPLIFIED POWER SYSTEM DIAGRAM
15
16
13
14
11
7
12
6
R1
C1
FIGURE 3. TYPICAL APPLICATION
C2
R2
ISL6571
CONTROL
DRIVERS
AND
PWM
LGATE1
PWM
LGATE1
PWM
LGATE1
VCC
VCC
VCC
LGATE
LGATE
LGATE
ISL6571
ISL6571
ISL6571
ISL6571
L
PVCC
IN
PVCC
PVCC
U3
U4
U2
GND
GND
GND
PHASE
PHASE
PHASE
PGND
BOOT
PGND
PGND
BOOT
BOOT
VIN
VIN
VIN
C
BOOT
L
+
+
+
OUT
R
R
R
C
SNS1
C
C
SNS3
SNS2
IN1
IN3
IN2
C
C
C
C
OUT
BOOT2
BOOT3
L
BOOT1
OUT2
C
L
L
OUT
V
OUT1
OUT3
OUT
+
FN9082.4
V
OUT