ISL6721 Intersil Corporation, ISL6721 Datasheet - Page 3

• Manufacturer Part Number: ISL6721
• Description: Flexible Single Ended Current Mode PWM Controller
• Manufacturer: Intersil Corporation

Typical Application - 48V Input Dual Output Flyback, 3.3V @ 2.5A, 1.8V @ 1.0A
SYNC
VIN+
VIN-
36-75V
P9
C1
R6
VR1
R5
Q 3
R1
R2
3
Q 2
R7
C2
D2
C3
R24
R25
R8
R9
TP3
TP1
CR6
C18
Q 1
D1
R4
C7
TP5
ISL6721
R23
C4
C8
R3
R10
R11
C5
R22
SL O PE
UV
RT CT
ISET
G AT E
ISENSE
SYNC
O V
R12
CR2
TP2
ISO LATIO N
U4
XFM R
T1
PG ND
LG ND
CO M P
VREF
V
VFB
V
SS
C C
C
C6
C17
R26
R21
CR5
CR4
R27
R13
C19
+
U2
R16
C21
C9
U3
C22
SP1
+
R19
C15
R15
R17
SP2
+
C20
C10
C14
C13
C11
C12
R18
R14
R20
T P4
+
C16
RET URN
+3.3V
+1.8V