ISL6527 Intersil Corporation, ISL6527 Datasheet - Page 3

• Manufacturer Part Number: ISL6527
• Description: Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
• Manufacturer: Intersil Corporation

Typical Application - 5V Input
Block Diagram
OCSET/SD
CPGND
REF_IN
COMP
V
REF
+5V
CT1
CT2
V
FB
IN
20µA
N/C
3
CHARGE
PUMP
CT1
CT2
CPGND
GND
REF_IN
VCC
COMP
ERROR
AMP
ISL6527
R
F
VCC
C
+
-
I
COMPARATOR
FIXED 300kHz or 600kHz
C
F
+
-
OCSET/SD
FB
CPVOUT
OC
OSCILLATOR
COMPARATOR
PHASE
UGATE
LGATE
BOOT
R
ISL6527
OFFSET
PWM
+
-
D
C
BOOT
BOOT
RESET (POR)
SOFTSTART
POWER-ON
R
CPVOUT
FB
R
OCSET
PWM
C
GND
IN
CONTROL
LOGIC
GATE
Q
Q
1
2
CHF
C
BULK
L
OUT
C
OUT
V
OUT
BOOT
UGATE
PHASE
LGATE