FSCQ0565RT Datasheet, PDF (39/45 Pages) Fairchild Semiconductor – Green Mode Fairchild Power Switch (FPS TM)

FSCQ1565RP Typical Application Circuit
Application
C-TV
Output Power
198W
Input Voltage
Universal input
(90–270 Vac)
Output Voltage (Max Current)
8.5V (1A)
15V (1A)
140V (0.9A)
24V (2A)
Features
■ High Efficiency (>83% at 90 Vac Input)
■ Wider Load Range through the Extended
Quasi-Resonant Operation
■ Low Standby Mode Power Consumption (<1W)
■ Low Component Count
■ Enhanced System Reliability Through Various
Protection Functions
■ Internal Soft-Start (20ms)
Key Design Notes
■ 24V output is designed to drop to around 8V in
standby mode
1. Schematic
T1
EER4942
D205
EGP20D
BD101
RT101
1
6D-2 2
C102
470µF
400V
R101
100kΩ
0.25W
R102
150kΩ
0.25W
ZD102
18V
1W
BEAD101
R106 C104
1
Drain
1kΩ 10µF
1W 50V
3
Vcc
SYNC
IC101
5
FSCQ1565RP
GND FB
D106
1N4148
2
4
3
D105
1N4937
4
C107
1nF
1kV
R104 _D103 R103 ⁶
1.5kΩ _1N4937 5.1Ω
0.25W
0.25W
C103
10µF
50V
C106
47nF
50V
R105
470Ω
0.25W
C105
2.7nF
50V
7
LF101
10
C210
470pF
11
1kV
D204
EGP20D
13
C209
470pF
12
1kV
D202
EGP30J
14
15 C207
470pF
16
1kV
D203
EGP30D
17
C208
470pF
18
1kV
C204
1000µF
35V
C205
1000µF
35V
L202
C201 _BEAD
220µF
160V
C203
2200µF
35V
C202
100µF
160V
15V, 0.5A
8.5V, 0.5A
140V, 0.6A
24V, 1.5A
C101
330nF
275VAC
FUSE
250V
5.0A
OPTO101
FOD817A
R201
1kΩ
0.25W
R202
1kΩ
0.25W
C301
3.3nF
Q201
KA431
LZ
C206
22nF
50V
R203
39kΩ
0.25W
VR201
30kΩ
ZD201
5.1V
R205
0.5W
240kΩ D201
0.25W 1N4148
R208
1kΩ
0.25W
SW201
R207
5.1kΩ
Q202
0.25W
R204
4.7kΩ
0.25W
KSC945
R206
10kΩ
0.25W
39
FSCQ-Series Rev. 1.1.2
www.fairchildsemi.com