ISL6842 Intersil Corporation, ISL6842 Datasheet - Page 2

• Manufacturer Part Number: ISL6842
• Description: Improved Industry Standard Single Ended Current Mode PWM Controller
• Manufacturer: Intersil Corporation

Functional Block Diagram
COMP
RTCT
V DD
GND
CS
FB
VREF
2.6V
0.7V
ON
8.4mA
BG
COMPARATOR
OSCILLATOR
+
-
AMPLIFIER
+
-
ERROR
COMPARATOR
2.5 V
-
+
UVLO
+
-
A=0.5
CLOCK
A
V DD OK
ON
100mV
2R
ENABLE
R
COMPARATOR
CLAMP
V REF
5.00 V
1.1V
PWM
+
-
-42, -44
-43, -45
P/N
UVLO ON/OFF
14.3 / 8.8V
ISL6844/5 ONLY
8.4 / 7.2V
DOMINANT
RESET
T
S
R
Q
Q
Q
Q
VREF FAULT
UV COMPARATOR
4.65V
V
REF
4.80V
+
-
BG
VREF
OUT