FSCQ0565RT Fairchild Semiconductor, FSCQ0565RT Datasheet - Page 8

• 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:
6. These parameters, although guaranteed, are tested only in EDS (wafer test) process.
7. These parameters, although guaranteed at the design, are not tested in mass production.
Parameter
Control Section
Switching Frequency
Switching Frequency Variation
Feedback Source Current
Maximum Duty Cycle
Minimum Duty Cycle
UVLO Threshold Voltage
Soft Start Time
Burst Mode Section
Burst Mode Enable Feedback Voltage
Burst Mode Feedback Source Current
Burst Mode Switching Time
Burst Mode Hold Time
Protection Section
Shutdown Feedback Voltage
Shutdown Delay Current
Over Voltage Protection
Over Current Latch Voltage
Thermal Shutdown Temp
A
= 25°C unless otherwise specified)
6
7
6
7
(Continued)
Symbol
V
V
I
D
F
V
D
DELAY
V
V
START
I
V
F
T
T
T
T
STOP
I
BFB
OSC
MAX
BEN
OVP
OCL
FB
MIN
OSC
SS
BS
BH
SD
SD
V
-25 C
V
V
V
V
V
V
V
V
V
V
V
8
FB
FB
FB
FB
FB
FB
FB
FB
CC
FB
FB
CC
= 5V, V
= 0.8V, V
= 5V, V
= 0V, V
= 1V
= 5V, V
= 3V
= 0V
= 0.9V, Duty = 50%
= 0.9V
= 18V
= 18V
T
Condition
A
CC
CC
CC
CC
85 C
CC
= 18V
= 18V
= 18V
0V
= 18V
= 18V
Min. Typ. Max. Unit
0.25
140
0.5
1.2
1.2
7.0
0.9
18
92
14
18
60
11
0
–
8
4
0.65
0.40
100
1.4
1.4
7.5
1.0
20
95
15
20
12
0
9
5
–
5
0.55
www.fairchildsemi.com
±10
140
0.8
1.6
1.6
8.0
1.1
22
98
16
10
22
13
–
6
–
kHz
mA
ms
ms
ms
µA
%
%
%
V
V
V
V
V
C
A