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FSQ0165 Datasheet(PDF) 7 Page - Fairchild Semiconductor

Part # FSQ0165
Description  Green Mode Fairchild Power Switch for Valley Switching Converter ??Low EMI and High Efficiency
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FSQ0165 Datasheet(HTML) 7 Page - Fairchild Semiconductor

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© 2007 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSQ0365, FSQ0265, FSQ0165, FSQ321 • Rev. 1.0.6
7
Electrical Characteristics (Continued)
TA=25C unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Control Section
tON.MAX1
Maximum On Time1
All but
FSQ321
TJ=25°C
10.5
12.0
13.5
µs
tON.MAX2
Maximum On Time2
FSQ321 TJ=25°C
6.35
7.06
7.77
µs
tB1
Blanking Time1
All but
FSQ321
13.2
15.0
16.8
µs
tB2
Blanking Time2
FSQ321
7.5
8.2
µs
tW
Detection Time Window
TJ=25°C, Vsync=0V
3.0
µs
fS
Switching Frequency Variation
(14)
-25
C < TJ < 85C
±5
±10
%
IFB
Feedback Source Current
VFB=0V
700
900
1100
µA
DMIN
Minimum Duty Cycle
VFB=0V
0
%
VSTART
UVLO Threshold Voltage
After Turn-on
11
12
13
V
VSTOP
7
8
9
V
tS/S1
Internal Soft-Start Time 1
All but
FSQ321
With Free-Running
Frequency
15
ms
tS/S2
Internal Soft-Start Time 2
FSQ321
With Free-Running
Frequency
10
ms
Protection Section
ILIM
Peak Current Limit
FSQ0365
TJ=25°C, di/dt=240mA/µs
1.32
1.50
1.68
A
FSQ0265
TJ=25°C, di/dt=200mA/µs
1.06
1.20
1.34
FSQ0165
TJ=25°C, di/dt=175mA/µs
0.8
0.9
1.0
FSQ321
TJ=25°C, di/dt=125mA/µs
0.53
0.60
0.67
VSD
Shutdown Feedback Voltage
VCC=15V
5.5
6.0
6.5
V
IDELAY
Shutdown Delay Current
VFB=5V
4.0
5.0
6.0
µA
tLEB
Leading-Edge Blanking Time
(13)
200
ns
VOVP
Over-Voltage Protection
VCC=15V, VFB=2V
5.5
6.0
6.5
V
tOVP
Over-Voltage Protection Blanking
Time
2
3
4
µs
TSD
Thermal Shutdown Temperature
(13)
125
140
155
°C
Sync Section
VSH
Sync Threshold Voltage
0.55
0.70
0.85
V
VSL
0.14
0.20
0.26
V
tSync
Sync Delay Time
(13,14)
300
ns
Total Device Section
IOP
Operating Supply Current
(Control Part Only)
VCC=15V
1
3
5
mA
ISTART
Start Current
VCC=VSTART - 0.1V
(Before VCC Reaches VSTART)
270
360
450
µA
ICH
Startup Charging Current
VCC=0V, VSTR=Minimum 40V
0.65
0.85
1.00
mA
VSTR
Minimum VSTR Supply Voltage
26
V
Notes:
11. Pulse test: Pulse-Width=300
s, duty=2%.
12. Propagation delay in the control IC.
13. Though guaranteed, it is not 100% tested in production.
14. Includes gate turn-on time.


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