FSCQ FAIRCHILD [Fairchild Semiconductor], FSCQ Datasheet - Page 38

• Manufacturer Part Number: FSCQ
• Description: Green Mode Fairchild Power Switch (FPS)
• Manufacturer: FAIRCHILD [Fairchild Semiconductor]

FSCQ-SERIES
FSCQ1565RP Typical Application Circuit
Features
• High Efficiency (>83% at 90Vac 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
38
BD101
Application
275VAC
LF101
330nF
C101
C-TV
100kΩ
0.25W
R101
RT101
6D-22
470uF
C102
400V
FUSE
250V
5.0A
ZD102
18V
1W
150kΩ
0.25W
R102
3
C103
10uF
50V
Vcc
Output Power
FSCQ1565RP
2
GND
Drain
IC101
1
198W
4
FB
SYNC
C106
47nF
50V
BEAD101
5
R106
1kΩ
1W
1N4148
0.25W
D106
C104
10uF
R105
470Ω
50V
0.25W
1.5kΩ
R104
1N4937
2.7nF
C105
D105
50V
1N4937
D103
Universal input
Input Voltage
(90-270Vac)
0.25W
R103
5.1Ω
C107
1nF
1kV
1
3
4
7
6
OPTO101
FOD817A
EER4942
3.3nF
C301
T1
13
17
10
11
12
18
14
15
16
KA431
Q201
LZ
EGP20D
EGP30D
EGP20D
EGP30J
0.25W
D204
D203
R201
470pF
470pF
470pF
D202
470pF
1kΩ
D205
C210
C209
C208
C207
1kV
1kV
1kV
1kV
0.25W
R202
1kΩ
Output Voltage (Max Current)
1000uF
2200uF
C206
22nF
1000uF
220uF
C205
C203
50V
C201
160V
C204
35V
35V
35V
BEAD
L202
0.25W
R203
39kΩ
140V (0.9A)
8.5V (1A)
15V (1A)
24V (2A)
100uF
240kΩ
C202
160V
0.25W
0.25W
R205
4.7kΩ
R204
VR201
30kΩ
1N4148
D201
KSC945
Q202
0.25W
R208
ZD201
1kΩ
0.5W
5.1V
140V, 0.9A
15V, 1A
8.5V, 1A
24V, 2A
0.25W
0.25W
5.1kΩ
R206
10kΩ
R207
SW201