FSQ0465RU Fairchild Semiconductor, FSQ0465RU Datasheet - Page 7

• 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
Notes:
10. Propagation delay in the control IC.
11. Guaranteed by design; not tested in production.
12. Includes gate turn-on time.
A
Protection Section
Sync Section
Total Device Section
Symbol
t
V
= 25°C unless otherwise specified.
I
OSP_FB
I
I
DELAY
V
START
V
V
V
V
V
CLAMP
t
t
LIMIT
V
t
T
Hys
OSP
sync
I
I
LEB
OSP
SH1
SH2
OP
CH
STR
SL1
SL2
SD
SD
Peak Current Limit
Shutdown Feedback Voltage
Shutdown Delay Current
Leading-Edge Blanking Time
Output Short
Protection
Thermal
Shutdown
Sync Threshold Voltage 1
Sync Delay Time
Sync Threshold Voltage 2
Low Clamp Voltage
Operating Supply Current
Start Current
Startup Charging Current
Minimum V
(11)
(11)
STR
Parameter
Threshold Time
Threshold Feedback
Voltage
Feedback Blanking Time
Shutdown Temperature
Hysteresis
Supply Voltage
(11)(12)
(Continued)
(11)
T
V
V
T
OSP Triggered When t
V
than t
V
V
I
I
V
V
(Before V
V
SYNC_MAX
SYNC_MIN
J
CC
FB
J
FB
CC
CC
CC
CC
CC
7
=25°C, di/dt=480mA/µs
= 25°C
=5V
=15V
=13V
=10V
=0V, V
> V
= 15V, V
= 15V, V
OSP_FB
OSP
CC
=50µA
Condition
=800µA,
STR
and Lasts Longer
Reaches V
FB
FB
=Minimum 50V
=2V
=2V
ON
START
< t
OSP
)
,
Min. Typ. Max. Unit
+125 +140 +155
0.65
350
1.6
5.5
1.8
2.0
1.0
0.8
4.3
4.0
0.0
4
1
0.85
250
+60
230
450
1.8
6.0
1.2
2.0
2.5
1.2
1.0
4.7
4.4
0.4
26
5
3
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1.00
550
2.0
6.5
1.4
3.0
1.4
1.2
5.1
4.8
0.8
6
5
mA
mA
µA
µA
°C
ns
µs
µs
ns
A
V
V
V
V
V
V