FSQ0565RS Fairchild Semiconductor, FSQ0565RS Datasheet - Page 6

• Manufacturer Part Number: FSQ0565RS
• Description: A Quasi-Resonant Converter (QRC) generally shows lower EMI and higher power conversion efficiency than a conventional hard-switched converter with a fixed switching frequency
• Manufacturer: Fairchild Semiconductor

FSQ0565RS/RQ Rev. 1.0.3
© 2008 Fairchild Semiconductor Corporation
Electrical Characteristics
T
SENSEFET SECTION
CONTROL SECTION
BURST-MODE SECTION
Hysteresis
A
Symbol
R
t
V
BV
V
= 25°C unless otherwise specified.
ON.MAX
V
V
C
V
V
t
V
DS(ON)
t
D
I
START
t
t
d(on)
d(off)
t
STOP
t
BURH
DSS
Δf
OVP
BURL
AVS
I
OSS
t
SW
S/S
OVP
OVP
AVS
t
f
FB
MIN
t
t
W
DSS
B
S
r
f
S
Drain Source Breakdown Voltage
Zero-Gate-Voltage Drain Current
Drain-Source On-State Resistance
Output Capacitance
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Maximum On Time
Blanking Time
Detection Time Window
Initial Switching Frequency
Switching Frequency Variation
AVS Triggering
Threshold
Switching Time Variance by AVS
Feedback Source Current
Minimum Duty Cycle
UVLO Threshold Voltage
Internal Soft-Start Time
Over-Voltage Protection (FSQ0565RS)
Over-Voltage Protection
(FSQ0565RQ)
Burst-Mode Voltages
(11)
Parameter
On Time
Feedback
Voltage
Threshold
Voltage
Blanking
Time
(11)
(11)
(11)
V
V
T
V
V
V
V
V
T
T
T
-25°C < T
at V
(AVS triggered when V
and t
Sync = 500kHz sine input
V
V
V
After turn-on
With free-running frequency
V
T
J
J
J
J
J
CC
DS
GS
DD
DD
DD
DD
FB
FB
FB
CC
= 25°C, I
= 25°C
= 25°C, V
= 25°C, V
= 25°C, t
6
IN
= 1.2V, t
= 0V
= 0V
= 0V, I
= 560V
= 0V, V
= 350V, I
= 350V, I
= 350V, I
= 350V, I
= 15V, V
AVS
= 240V
< spec.)
J
Condition
< 85°C
D
D
PD
DS
sync
sync
ON
= 100µA
FB
DC
= 0.5A
D
D
D
D
= 200ns
= 25V, f = 1MHz
= 25mA
= 25mA
= 25mA
= 25mA
= 4.0µs
, Lm = 360μH
= 2V
= 5V
= 0V
AVS
(10)
> spec.
Continued on the following page...
Min. Typ. Max. Unit
13.5
59.6
13.5
0.45
0.25
650
700
8.8
7.4
1.0
18
11
7
1.76
10.0
15.0
66.7
17.5
0.55
0.35
900
200
6.0
4.0
1.2
1.7
19
78
22
52
95
50
±5
12
8
8
www.fairchildsemi.com
1100
2.20
11.2
16.5
75.8
20.5
0.65
0.45
300
±10
9.6
2.4
13
20
0
9
kHz
mV
ms
µA
pF
µA
ns
ns
ns
ns
µs
µs
µs
µs
µs
µs
%
%
Ω
V
V
V
V
V
V
V
V