ISL6845_15 Datasheet, PDF (4/14 Pages) Intersil Corporation – Improved Industry Standard Single-Ended Current Mode PWM Controller

Typical Application - 48V Input Dual Output Flyback
VIN+
36V TO 75V
C1
C4
R3
C2
CR6
R1
C3
Q1
CR5
T1
C21 + C15
R21
C5
CR2
CR4
+ C22
+
C17
C19
C20
+3.3V
+ C16
+1.8V
RETURN
C6
R16
R17
R18
U2
R19
C14
VIN-
R6
Q3
VR1
R4
CR1
R22
R27
U4
R26
COMP VREF
CS
VDD
FB
OUT
RTCT GND
ISL684x
R10
C8
C13
R15
U3
R20
C12
R13
C11