Typical Application Circuit (Half-bridge LLC Resonant Converter)
Output Voltage
(Rated Current)
Application
FPS™ Device Input Voltage Range
Rated Output Power
400V
FSFR2100
LCD TV
192W
24V-8A
(20ms hold-up time)
Features
High efficiency ( >94% at 400VDC input)
Reduced EMI noise through zero-voltage-switching (ZVS)
Enhanced system reliability with various protection functions
C102
22nF/
630V
Brownout circuit
R113 400k
D211
FYP2010DN
C202
2200µF
35V
EER3542
VCC
VCC=16~20VDC
1
16
C109
22µF
U5 JP2, 0
C201
2200µF
35V
R114
10k
R109
1M
R112
10k
C105
0.33µF/
50V
R106
27
VO
U4
12, 13
R110
1M
D101
1N4937
ZD101
6.8V
VDL
LVCC
C111
330n/
275VAC
R111
45k
C112
680pF
HVCC
R201
10k
RT
C204
12nF
C107
10µF
R104
5.1k
R105
7.5k
C106
150nF
R202
1k
8
9
Line
Filter
R204
62k
Control
IC
R107
2.2k
CON
VCTR
PG
D212
FYP2010DN
R206
2k
C101
220uF/
450V
C108
12nF
U2
C104
open
U2
R108
open
C203
47nF
R203
33k
CS
R103, 0
U3
KA431
330n/
275VAC
JP1, 0
C110
SG
C301
NTC
5D-9
F101
3.15A/
250V
R205
7k
C103
100pF
R102
1kΩ
Vin=340~390Vdc
R101
0.2Ω
Figure 29. Typical Application Circuit
© 2007 Fairchild Semiconductor Corporation
FSFR series • 1.0.3
www.fairchildsemi.com
14
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
