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Q0465R View Datasheet(PDF) - Fairchild Semiconductor

Part NameDescriptionManufacturer
Q0465R Green-Mode Fairchild Power Switch (FPS™) for Quasi-Resonant Operation - Low EMI and High Efficiency Fairchild
Fairchild Semiconductor Fairchild
Q0465R Datasheet PDF : 24 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Electrical Characteristics (Continued)
TA = 25°C unless otherwise specified.
Symbol
Parameter
Condition
Min. Typ. Max. Unit
PROTECTION SECTION
ILIMIT
ILIMIT
VSD
IDELAY
tLEB
tOSP
VOSP
tOSP_FB
TSD
Hys
Peak Current Limit of FSQ0465RS
Peak Current Limit of FSQ0465RB
Shutdown Feedback Voltage
Shutdown Delay Current
Leading-Edge Blanking Time(11)
TJ = 25°C, di/dt = 480mA/µs
TJ = 25°C, di/dt = 370mA/µs
VCC = 15V
VFB = 5V
1.6 1.8 2.0 A
2.64 3.00 3.36 A
5.5 6.0 6.5 V
4
5
6 µA
250
ns
Threshold Time
TJ = 25°C
1.2 1.4 µs
Output Short Threshold Feedback
Protection(11) Voltage
OSP triggered when tON < tOSP,
VFB > VOSP and lasts longer than
1.8
2.0
V
Feedback Blanking Time tOSP_FB
2.0 2.5 3.0 µs
Thermal
Shutdown Temperature
Shutdown(11) Hysteresis
+125 +140 +155
°C
+60
SYNC SECTION
VSH1
VSL1
tsync
VSH2
VSL2
Sync Threshold Voltage 1
Sync Delay Time(11)(12)
Sync Threshold Voltage 2
VCLAMP Low Clamp Voltage
TOTAL DEVICE SECTION
VCC = 15V, VFB = 2V
VCC = 15V, VFB = 2V
ISYNC_MAX = 800µA,
ISYNC_MIN = 50µA
1.0 1.2 1.4
V
0.8 1.0 1.2
230
ns
4.3 4.7 5.1
V
4.0 4.4 4.8
0.0 0.4 0.8 V
IOP
ISTART
ICH
VSTR
Operating Supply Current
Start Current
Startup Charging Current
Minimum VSTR Supply Voltage
VCC = 13V
1 3 5 mA
VCC = 10V
(before VCC reaches VSTART)
350 450 550 µA
VCC = 0V, VSTR = minimum 50V 0.65 0.85 1.00 mA
26
V
Notes:
10. Propagation delay in the control IC.
11. Guaranteed by design; not tested in production.
12. Includes gate turn-on time.
© 2008 Fairchild Semiconductor Corporation
FSQ0465RS/RB Rev. 1.0.1
7
www.fairchildsemi.com
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