ISL6731A Datasheet, PDF (5/20 Pages) Intersil Corporation – Power Factor Correction Controllers

Application Schematics
Typical 300W Application Schematic
P1 ^AC1
F1 8A
UNIVERSAL INPUT _C2
90~265Vac
470n
P4 ^AC2
PE
P5
L4
2.2m
2.2n 2.2n
C35 C36
D1
R1
L2
L1
1.5m
0u
IN5406
D2 2
1
C3D04060A
SPP20N60C3
DC+
VOUT
TP9
P2
L3
2.2m
2M
C22
R3
470n
2M
DB1
GBU806
C3
680n
RV1
MOV /DNP
R28 0.22
R27 0.22
TP12
GATE1
R2
2.2
Q1
1
R4
51k
C19
C1 0.1
390V
270u
C21
450V
0.1
P3
2.2n 2.2n
R5 0.22
C5 ^C6
D8 D7
S1M S1M
R8
470k
C12
DNP
R11
470k
VIN
TP3
R13
5.76k
C8
220n
DZ1
3.3V
R23
C7
1u
C11
1n
R14
30k
6.8n
C10
47n
C20
C9
DNP 1u
VREG_TP8
VCC
U1
VREG _Lin.Reg. VCC
TP7
DNP
GATE
GATE ¹⁴
3.3M
R24
3.3M
R9
3k
TP6
ICOMP
TP5 _ISEN
4 _ICOMP
3
I MIRROR
ISEN _2:1
I* Vin*C
gm I*= 4*BO*BO
UVLO LOGIC
CEQ OTP
Gen
PWM
GND 2
OVP ⁷
C23
5 _VIN
+
C _{SKIP OPL}
2.5V _1n
gm ^{FB 9}
C13
47p
VCC
-
BO
SKIP
COMP
ISL6731A/B
3.3M
R6
R10
3.3M
DNP
TP11
OVP
42.2k
R25
GND
TP10
C26
2.2n
VCC _P6
R26
49.9
GND _P7
TP1 ^FB
R17
0
DNP P8
R21
25k
DNP
1
2N7002
Q2
DNP
TP4
69.8K
R22
BO
TP2
COMP
C16
100n
R19
42.2k
R18
C15
DNP
R20
10k
C17
1n
DNP
C14 62k
470n
C18
150n
DNP ^P9
1u