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FSES0765RG Datasheet(PDF) 6 Page - Fairchild Semiconductor |
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FSES0765RG Datasheet(HTML) 6 Page - Fairchild Semiconductor |
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6 / 18 page 
FSES0765RG 6 Electrical Characteristics (Continued) (Ta=25 °C unless otherwise specified) Note: 1. These parameters, although guaranteed in design, are tested only in EDS (wafer test) process. 2. These parameters indicate the Inductor current. 3. These parameters apply to the current flowing into the control IC. Parameter Symbol Condition Min. Typ. Max. Unit Sync SECTION Low Sync Threshold Voltage VSL Vcc=15V, VFB=5V 5.6 6 6.4 V High Sync Threshold Voltage VSH 6.5 7 7.5 V Sync blanking time TSYB 35 7 us BURST MODE SECTION Burst Mode Enable Feedback Voltage VBFB Vcc=8.5V 0.7 0.8 0.9 V Burst Mode Peak Current Limit (1) IBPK Vcc=8.8V, VFB=0V 0.45 0.6 0.75 A Switching Frequency in Burst Mode FSB Vcc=8.8V, VFB=0V 40 50 60 kHz Vcc High Threshold Voltage in Burst Mode VccH 8.6 9 9.4 V Vcc Low Threshold Voltage in Burst Mode VccL 8.1 8.5 8.9 V SOFTSTART SECTION Soft start Time (1) TSS VFB=4V 10 15 20 ms CURRENT LIMIT(SELF-PROTECTION)SECTION Peak Current Limit (2) ILIM Vcc=15V, VFB=5V 3.52 4 4.48 A TOTAL DEVICE SECTION Startup Charging Current ICH VSTR=650V, Vcc=0V 1.2 1.5 1.8 mA Operating Supply Current (3) - In normal operation - In burst mode IOP Vcc=15V, VFB=5V - 3.5 6 mA IOB Vcc=8.7V, VFB=0V - 1.5 3 mA |
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