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ISL6840 Datasheet(PDF) 3 Page - Intersil Corporation

Part No. ISL6840
Description  Improved Industry Standard Single-Ended Current Mode PWM Controller
Download  12 Pages
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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ISL6840 Datasheet(HTML) 3 Page - Intersil Corporation

 
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Functional Block Diagram
ON
VDD
CS
FB
RTCT
GND
PWM
COMPARATOR
RESET
DOMINANT
2.5 V
ENABLE
8.4mA
2.6V
0.7V
OSCILLATOR
COMPARATOR
+
-
UVLO
COMPARATOR
VREF
5.00 V
+
-
BG
100mV
ERROR
AMPLIFIER
+
-
VREF
+
-
ON
+
-
S
R
Q
Q
COMP
VREF
UV COMPARATOR
4.65V
4.80V
BG
A = 0.5
+
-
CLOCK
1.1V
CLAMP
2R
R
T
Q
Q
ISL6841/4/5 ONLY
P/N
UVLO ON/OFF
-40, -41
7.0/6.6V
-42, -44
14.3/8.8V
-43, -45
8.4/7.2V
A
VREF FAULT
VDD OK
VREF
OUT


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