ISL6520B Intersil Corporation, ISL6520B Datasheet - Page 2

• Manufacturer Part Number: ISL6520B
• Description: Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
• Manufacturer: Intersil Corporation

Block Diagram
Typical Application
SHUTDOWN
COMP/SD
FB
0.8V
20µA
-
+
2
5V
R
R
PULLUP
OFFSET
C
R
F
F
ERROR
C
C
AMP
I
COMP/SD
DCPL
+
-
FB
7
ISL6520B
6
ISL6520B
FIXED 300kHz
OSCILLATOR
COMPARATOR
SOFTSTART
POR AND
3
5
VCC
GND
VCC
PWM
+
-
1
2
8
4
BOOT
UGATE
PHASE
LGATE
D
C
BOOT
BOOT
R
PWM
S
Q
Q
GND
CONTROL
V
U
L
LOGIC
C
GATE
IN
HF
L
OUT
C
OUT
VCC
C
BULK
V
OUT
PHASE
BOOT
UGATE
LGATE