ISL6722A INTERSIL [Intersil Corporation], ISL6722A Datasheet - Page 2

• Manufacturer Part Number: ISL6722A
• Description: Flexible Single Ended Current Mode PWM
• Manufacturer: INTERSIL [Intersil Corporation]

Functional Block Diagram (ISL6722A)
SLOPE
SLEEP
ISENSE
COMP
LGND
ISET
V
VFB
CC
20k
30k
5k
SS
VREF
-
+
VREF
2.5V
3.0V/
1mA
1.5V
ON
SS CLAMP
BG
53µA
0.1
UV COMPARATOR
0.8
COMPARATOR
+ -
AMPLIFIER
OSCILLATOR
START/STOP
ERROR
12k
+
-
+
-
+
+
S
-
+
100mV
2
ENABLE
RESTART
DELAY
ON
-
+
OVERCURRENT
COMPARATOR
V
OC DETECT
COMPARATOR
1/3
5V
REF
PWM
+
-
BLANKING
ISL6722A, ISL6723A
100ns
VOLTAGE CLAMP
SS CHARGE
START
SS CHARGED
S
R
R
Q
Q
SHTDN
UV COMPARATOR
VREF
4.65V
SET DOMINANT
OVERCURRENT
SHUTDOWN
+
LATCH
FAULT
-
S
R
COMPARATOR
DELAY
BG
BLANKING
OC
Q
Q
SS LOW
FAULT
+
-
OC
COMPARATOR
SS LOW
3.0V
+
-
+
VREF
-
SS DCHG
4.375V
SS CHG
270mV
36k
SOFT-START
CURRENT
25µA
CHARGE
ON
+
-
+
-
2.50V
1.45V
70µA
ON
July 11, 2007
15µA
FN9237.1
OV
UV
V
GATE
PGND
VREF
SS
C