FSCQ0565RT Fairchild Semiconductor, FSCQ0565RT Datasheet - Page 9

• Manufacturer Part Number: FSCQ0565RT
• Description: A Quasi-Resonant Converter (QRC) typically shows lower EMI and higher power conversion efficiency compared to conventional hard-switched converter with a fixed switching frequency
• Manufacturer: Fairchild Semiconductor

FSCQ-Series Rev. 1.1.2
Electrical Characteristics
(T
Notes:
9. This parameter is the current flowing in the control IC.
10. These parameters indicate inductor current.
11. These parameters, although guaranteed, are tested only in EDS (wafer test) process.
Parameter
Sync Section
Sync Threshold in Normal QR (H)
Sync Threshold in Normal QR (L)
Sync Threshold in Extended QR (H) V
Sync Threshold in Extended QR (L) V
Extended QR Enable Frequency
Extended QR Disable Frequency
Total Device Section
Operating Supply Current
- In Normal Operation
- In Burst Mode (Non-switching)
Startup Current
Sustain Latch Current
Current Sense Section
Maximum Current Limit
Burst Peak Current
A
= 25°C unless otherwise specified)
11
10
9
(Continued)
V
V
F
F
I
I
I
I
I
I
OP
OB
START
SN
LIM
BUR(pk)
SYH
SYL
SH1
SL1
SH2
SL2
Symbol
FSCQ0565RT V
FSCQ0765RT
FSCQ0965RT
FSCQ1265RT
FSCQ1465RT
FSCQ1565RT
FSCQ1565RP
FSCQ0565RT V
FSCQ0765RT
FSCQ0965RT
FSCQ1265RT
FSCQ1465RT
FSCQ1565RT
FSCQ1565RP
FSCQ0565RT V
FSCQ0765RT
FSCQ0965RT
FSCQ1265RT
FSCQ1465RT
FSCQ1565RT
FSCQ1565RP
9
V
V
V
V
CC
FB
FB
CC
CC
CC
CC
= 5V
= GND
= V
= V
= 18V, V
= 18V, V
= 18V, V
Condition
START
STOP
FB
FB
FB
– 0.1V
– 0.1V
= 5V
= Pulse
= 5V
10.12 11.5 12.88
Min. Typ. Max. Unit
3.08
5.28
6.16
7.04
7.04
0.45
0.65
4.2
2.3
2.7
1.6
4.4
0.6
0.8
0.6
–
–
–
–
–
–
–
–
–
–
–
–
–
–
0.25
0.65
4.6
2.6
3.0
1.8
3.5
6.0
8.0
0.9
0.9
1.2
0.9
90
45
25
50
4
4
6
6
7
7
7
5
7
8
1
1
www.fairchildsemi.com
0.50
3.92
6.72
7.84
8.96
8.96
0.85
1.15
100
5.0
2.9
3.3
2.0
5.6
1.2
1.6
1.2
50
–
–
6
6
8
8
9
9
9
–
–
kHz
kHz
mA
mA
µA
µA
V
V
V
V
A
A