FSQ0465RU Fairchild Semiconductor, FSQ0465RU Datasheet - Page 6

• Manufacturer Part Number: FSQ0465RU
• Description: lower EMI and higher power conversion efficiency than a conventional hard-switched converter with a fixed switching frequency
• Manufacturer: Fairchild Semiconductor

FSQ0465RU Rev. 1.0.0
© 2009 Fairchild Semiconductor Corporation
Electrical Characteristics
T
Hysteresis
A
SenseFET Section
Control Section
Burst-ModeSection
Symbol
R
t
V
BV
V
= 25°C unless otherwise specified.
ON.MAX
V
V
C
I
I
V
t
V
DS(ON)
t
D
START
DSS1
DSS2
t
d(on)
d(off)
t
STOP
t
BURH
Δf
BURL
AVS
I
OSS
t
SW
S/S
OVP
AVS
t
f
FB
MIN
t
t
W
DSS
B
S
r
f
S
Drain Source Breakdown Voltage
Zero-Gate-Voltage Drain Current 1
Zero-Gate-Voltage Drain Current 2
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
Burst-Mode Voltages
(11)
Parameter
On Time
Feedback
Voltage
(11)
(11)
V
V
V
T
V
V
V
V
V
T
T
T
-25°C < T
at V
(AVS Triggered when V
Spec. and t
Sync=500kHz Sine Input
V
V
V
After Turn-On
With Free-Running Frequency
T
J
J
J
J
J
CC
DS
DS
GS
DD
DD
DD
DD
FB
FB
FB
=25°C, I
=25°C
=25°C, V
=25°C, V
=25°C, t
6
=1.2V, t
=0V
=0V
=0V, I
=650V, V
=520V, V
=0V, V
=325V, I
=325V, I
=325V, I
=325V, I
IN
=240V
J
D
D
PD
Condition
DS
=250µA
< 85°C
sync
sync
AVS
ON
=0.5A
DC
D
D
D
D
=200ns
GS
GS
=25V, f=1MHz
=3.5A
=3.5A
=3.5A
=3.5A
=4.0µs
, Lm=360μH
=5V
=0V
< Spec.)
=0V, T
=0V, T
(10)
C
C
AVS
=25
=125
o
>
Continued on the following page...
C
o
C
Min. Typ. Max. Unit
13.5
59.6
13.5
0.45
0.25
650
700
8.8
7.5
18
11
10.0
15.0
66.7
17.5
0.55
0.35
900
200
3.5
6.0
4.0
1.2
8.0
45
12
22
20
19
±5
12
19
www.fairchildsemi.com
1100
11.2
16.5
75.8
20.5
0.65
0.45
250
250
±10
4.0
8.5
13
20
0
kHz
mV
ms
µA
µA
pF
µA
ns
ns
ns
ns
µs
µs
µs
µs
µs
%
%
Ω
V
V
V
V
V
V
V