ISL8840A INTERSIL [Intersil Corporation], ISL8840A Datasheet - Page 3
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ISL8840A
Manufacturer Part Number
ISL8840A
Description
High Performance Industry Standard Single-Ended Current Mode PWM Controller
Manufacturer
INTERSIL [Intersil Corporation]
Datasheet
1.ISL8840A.pdf
(15 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ISL8840AAUZ
Manufacturer:
INTERSIL
Quantity:
20 000
Functional Block Diagram
COMP
RTCT
GND
V DD
CS
FB
100k
150k
VREF
AMPLIFIER
ERROR
2.9V
1.0V
ON
8.4mA
+ -
COMPARATOR
OSCILLATOR
UV COMPARATOR
+
-
START/STOP
2.5V
<10ns
+
-
+
-
VF TOTAL = 1.15V
A = 0.5
CLOCK
A
V DD
ON
OK
100mV
2R
ENABLE
R
COMPARATOR
CLAMP
V REF
5.00V
1.1V
PWM
+
-
ISL8841A/
ISL8844A/
ISL8845A
DOMINANT
ONLY
RESET
T
S
R
Q
Q
Q
Q
VREF FAULT
UV COMPARATOR
4.65V
VREF
4.80V
+
-
36k
VREF
OUT