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KA5H0380RTU Datasheet(PDF) 6 Page - Fairchild Semiconductor |
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KA5H0380RTU Datasheet(HTML) 6 Page - Fairchild Semiconductor |
6 / 20 page KA5X03XX-SERIES 6 Electrical Characteristics (Control Part) (Continued) (Ta = 25 °C unless otherwise specified) Note: 1. These parameters, although guaranteed, are not 100% tested in production 2. These parameters, although guaranteed, are tested in EDS(water test) process Characteristic Symbol Test condition Min. Typ. Max. Unit UVLO SECTION Start Threshold Voltage VSTART VFB=GND 14 15 16 V Stop Threshold Voltage VSTOP VFB=GND 8.499.6 V OSCILLATOR SECTION Initial Accuracy FOSC KA5H0365R KA5H0380R 90 100 110 kHz Initial Accuracy FOSC KA5M0365R KA5M0365RN KA5M0380R 61 67 73 kHz Initial Accuracy FOSC KA5L0365R KA5L0365RN KA5L0380R 45 50 55 kHz Frequency Change With Temperature (2) --25 °C≤Ta≤+85°C- ±5 ±10 % Maximum Duty Cycle Dmax KA5H0365R KA5H0380R 62 67 72 % Maximum Duty Cycle Dmax KA5M0365R KA5M0365RN KA5M0380R KA5L0365R KA5L0365RN KA5L0380R 72 77 82 % FEEDBACK SECTION Feedback Source Current IFB Ta=25 °C, 0V<Vfb<3V 0.7 0.9 1.1 mA Shutdown Feedback Voltage VSD Vfb>6.5V 6.9 7.5 8.1 V Shutdown Delay Current Idelay Ta=25 °C, 5V≤Vfb≤VSD 456 µA REFERENCE SECTION Output Voltage (1) Vref Ta=25 °C 4.80 5.00 5.20 V Temperature Stability (1)(2) Vref/ ∆T-25°C≤Ta≤+85°C- 0.3 0.6 mV/ °C CURRENT LIMIT(SELF-PROTECTION)SECTION Peak Current Limit IOVER Max. inductor current 1.89 2.15 2.41 A PROTECTION SECTION Over Voltage Protection VOVP VCC>24V 25 27 29 V Thermal Shutdown Temperature (Tj) (1) TSD - 140 160 - °C TOTAL STANDBY CURRENT SECTION Start-up Current ISTART VCC=14V - 100 170 µA Operating Supply Current (Control Part Only) IOP VCC<28 - 7 12 mA |
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