ISL8843_06 INTERSIL [Intersil Corporation], ISL8843_06 Datasheet - Page 2

• Manufacturer Part Number: ISL8843_06
• Description: Industry Standard Single-Ended Current Mode PWM Controller
• Manufacturer: INTERSIL [Intersil Corporation]

Functional Block Diagram
COMP
RTCT
GND
V
CS
FB
DD
100K
150K
VREF
AMPLIFIER
ERROR
2.9V
1.0V
8.4mA
ON
+
-
COMPARATOR
OSCILLATOR
UV COMPARATOR
-
+
START/STOP
2.5V
< 10nS
-
+
+
-
A=0.5
VF Total = 1.15V
CLOCK
A
V
DD
ON
OK
FALLING EDGE
100 nS
DELAY
100mV
2R
5%
R
ENABLE
COMPARATOR
1.1V 3%
CLAMP
5.00 V
V
PWM
REF
+
-
DOMINANT
RESET
S
R
Q
Q
VREF FAULT
UV COMPARATOR
4.65V ↓ 4.80V ↑
VREF
+
-
36K
VREF
OUT