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P_VBUS
RT100 5R
+
C100
270uF/450V
P_PGND
P_VCC
P_VCC
+
C104
C105
100n/25V
10u/25V
P_SGND
P_SGND
P_SLG
Figure 13
Power stage circuit of the half-bridge LLC converter
J?
CON16R
C209
1u
Figure 14
Control circuit of the half-bridge LLC converter
Application Note
Q100
R100
IPA60R199CP
P_HG
10R
R101
10k
P_HS
L100
40uH//RM10
P_VCr
Q102
IPA60R199CP
R104
P_PLG
10R
R105
10k
P_PGND
TR101
C112
Q107
100n
BC546
R110
R112
P_SHG
10R
NC
Q106
BC557
Q104
EE13
BC546
R109
R111
C113
10R
NC
Q105
1u0
BC557
IC100
SFH617A-3
P_Vreg
4
1
C118
1n0
3
2
R202 10R
P_VBUS
1
P_GND
2
P_VCC
3
P_LS
4
NC
5
P_LG
6
P_Vreg
7
R200
Reg GND
8
P_HS
9
10R
P_HG
10
NC
11
P_VCr
12
NC
13
NC
14
P_SLG
15
C204
P_SHG
16
100n
P_Vreg
R207 8k2/1%
R206 5k6/1%
R205
0M2
C203
C211
820p
C212
2.2u
NC
C210
1n0
R215
2M0
C103
2n2/Y1
SGND
TR100
C102
S_HG
PQ3230
33nF/630V
S_LD
C106
33nF/630V
R107
S_LG
1R0
R108
10k
D100
R106
1N4148
1k0
IC300
NC
NC
R114
ZD100
INA
OUTA
430R
5V1
GND
VDD
D101
R113
INB
OUTB
1k0
1N4148
UCC27324_1
12V
ZD101
R115
430R
5V1
R123
2k2
ZD102
R121
9v1
0R
R122
820
R203
IC200
11k
P_HG
R201
11k
P_VCC
P_HS
P_LG
C205
100n
IC-ST-L6385
Timer
VCC
EnA
HG
SS
LG
P_SHG
LOAD
SHG
P_SLG
FREQ
SLG
Delay
GND
TD
SRD
Vmc
CL
IC201
Vref
CS
Vres
VINS
R223
R225
1M5/1%
1M5/1%
R224
R226
P_VBUS
1M5/1%
1M5/1%
23
S_HD
R102
Q101
015N04
1R0
R103
10k
S_HS
C107
C108
C109
C110
+
+
+
+
0m47/16V
0m47/16V
0m47/16V
0m47/16V
Q103
015N04
S_LS
12V
C116
C117
100n
10n
S_HG
12V
R118
C122
+ C121
C115
56R
10u
100n
100p
S_LG
R117
C114 47n
3k9
R116
560
C120
R124
NC
NC
+
C119
1
1u
IC101
TL431
C201
100n
P_VCC
C207
C200
100n
100n
R209
R211
154k/1%
154k/1%
C208
R210
470p/1kV
680k C206
R212
200R
47nF
D201
1N4148
C213
D202
1N4148
10n
R227
C214
R228
24k
68R
470n
12V
C111
+
0m47/16V
S_PGND
R119
11k
R120
3k01
R125
3k6
2011-07-06
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