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FSQ0465RBLDTU Datasheet(PDF) 7 Page - Fairchild Semiconductor |
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FSQ0465RBLDTU Datasheet(HTML) 7 Page - Fairchild Semiconductor |
7 / 23 page © 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com FSQ0465RS/RB Rev. 1.0.1 7 Electrical Characteristics (Continued) TA = 25°C unless otherwise specified. Notes: 10. Propagation delay in the control IC. 11. Guaranteed by design; not tested in production. 12. Includes gate turn-on time. Symbol Parameter Condition Min. Typ. Max. Unit PROTECTION SECTION ILIMIT Peak Current Limit of FSQ0465RS TJ = 25°C, di/dt = 480mA/µs 1.6 1.8 2.0 A ILIMIT Peak Current Limit of FSQ0465RB TJ = 25°C, di/dt = 370mA/µs 2.64 3.00 3.36 A VSD Shutdown Feedback Voltage VCC = 15V 5.5 6.0 6.5 V IDELAY Shutdown Delay Current VFB = 5V 4 5 6 µA tLEB Leading-Edge Blanking Time(11) 250 ns tOSP Output Short Protection(11) Threshold Time TJ = 25°C OSP triggered when tON < tOSP, VFB > VOSP and lasts longer than tOSP_FB 1.2 1.4 µs VOSP Threshold Feedback Voltage 1.8 2.0 V tOSP_FB Feedback Blanking Time 2.0 2.5 3.0 µs TSD Thermal Shutdown(11) Shutdown Temperature +125 +140 +155 °C Hys Hysteresis +60 SYNC SECTION VSH1 Sync Threshold Voltage 1 VCC = 15V, VFB = 2V 1.0 1.2 1.4 V VSL1 0.8 1.0 1.2 tsync Sync Delay Time(11)(12) 230 ns VSH2 Sync Threshold Voltage 2 VCC = 15V, VFB = 2V 4.3 4.7 5.1 V VSL2 4.0 4.4 4.8 VCLAMP Low Clamp Voltage ISYNC_MAX = 800µA, ISYNC_MIN = 50µA 0.0 0.4 0.8 V TOTAL DEVICE SECTION IOP Operating Supply Current VCC = 13V 1 3 5 mA ISTART Start Current VCC = 10V (before VCC reaches VSTART) 350 450 550 µA ICH Startup Charging Current VCC = 0V, VSTR = minimum 50V 0.65 0.85 1.00 mA VSTR Minimum VSTR Supply Voltage 26 V |
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