CM6900 Datasheet, PDF (17/19 Pages) List of Unclassifed Manufacturers – PFC/PWM COMBO w/ INRUSH CURRENT CONTROL & SEPARATED PFCOVP

CM6900
PFC/PWM COMBO w/ INRUSH CURRENT CONTROL & SEPARATED PFCOVP
APPLICATION CIRCUIT (VOLTAGE MODE)
IVIN_EMC
R5 EMC FILTER R3
L2
L3
VIN
AC
R2 C3
IVIN
RT1
IVIN
D4
PFC_VIN
C8 R1
C2
R18
D6
D7
1N4002 1N4002
R59
C46
PFC_VIN
IAC
IBOOT
R10
R12
R14
IL1
L1
C33
100n
Q1
D12
PFC_DC
R22
Q2N2222
1N4148
22
D5
D5
Q1 Q2
D10
R26
R16A
18k
MUR1100
R11
R13
R15
Q2
Q2N2904
R23
R24
C23
470p
75
R25 ²²
R17A
10k
VFB
C30
R64
C41
R58 C43
R66
IEAO
100
C55A
R65A
1 _IEAO
VEAO ²⁰
2 _IAC
VFB ¹⁹
ISENSE
R60
VRMS
3 _I-SENSE
4 _VRMS
VFB2 ¹⁸
VREF ¹⁷
INRUSH
5 _INR
VCC ¹⁶
C47 VREF
C44 C45
SS
VDC
6 _SS
VDD ¹⁵
7 _{VDC PFC-OUT} 14
8 _{RAMP1 PWM-OUT} 13
R56
R57
VCC
9 _RAMP2
VSS ¹²
10 _{ILIMIT AGND} 11
C48
C49
R62
CM6900/01/24
VEAO
VFB2
VREF
VREF
VCC
VCC ^C54
C52 C53
1u 100n
R63
C57
PWM_OUT
C56
R16A
R17A
C55A
R65A INRUSH
INRUSH
PFC_Vout
PFC_Vout
IC10
C10
Q12
R6
C50
ILIMIT
R61
470
C51
R44
PFC_Vout
PWM_IN
C14 _R34
C4
ISO1
VDC
C38
C7
R27
C22
10n
100k
10n
10n 4.7
D9A
IL4 _L4
D13
MUR1100
C15
D8
T1
MUR1100
R35
D9B
4.7
C22
10n
L5
IC17
IC18
PWM_Vout
ILOAD R45
R49
R46 C40
R43
C39
C17
C18
C19
PWM_Rload
500m
U1
CM431
R48
10n
VCC
PFC_OUT
C34
100n
Q6
Q2N2222
R28
PWM_DC
Q7
22
Q2N2904
Q3
R29
10k
IBIAS
D16
R32A
R32
VCC
1N4148
C31
R33
T 2:3
ILIMIT
R31
ZD1
6.8V
2003/04/23 Preliminary Rev. 1.2
Champion Microelectronic Corporation
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