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KA5L0265R 数据表(PDF) 4 Page - Fairchild Semiconductor |
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KA5L0265R 数据表(HTML) 4 Page - Fairchild Semiconductor |
4 / 14 page KA5X02XX-SERIES 4 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 (wafer test) process Parameter Symbol Condition Min. Typ. Max. Unit UVLO SECTION Start Threshold Voltage VSTART VFB=GND 14 15 16 V Stop Threshold Voltage VSTOP VFB=GND 8.2 8.8 9.4 V OSCILLATOR SECTION Initial Accuracy FOSC KA5H0265xRx KA5H0280R 90 100 110 kHz Initial Accuracy FOSC KA5M0265xRx KA5M0280R 61 67 73 kHz Initial Accuracy FOSC KA5L0265R 45 50 55 kHz Frequency Change With Temperature (2) ∆F/∆T-25°C ≤ Ta ≤ +85°C- ±5 ±10 % Maximum Duty Cycle Dmax KA5H0265xRx KA5H0280R 62 67 72 % Maximum Duty Cycle Dmax KA5M0265xRx KA5M0280R KA5L0265R 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 SOFT START SECTION Soft Start Voltage VSS KA5H0265RC 4.7 5.0 5.3 V Soft Start Current ISS 0.8 1.0 1.2 mA 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 KA5x02659RN 0.79 0.9 1.01 A Peak Current Limit IOVER KA5x0265Rx KA5x0280R 1.05 1.2 1.34 A PROTECTION SECTION Over Voltage Protection VOVP VCC ≥ 24V 25 27 29 V Thermal Shutdown Temperature (1) TSD - 140 160 - °C TOTAL DEVICE SECTION Start-up Current ISTART VCC=14V - 100 170 µA Operating Supply Current (Control Part Only) IOPR VCC ≤ 28 - 7 12 mA |
类似零件编号 - KA5L0265R |
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类似说明 - KA5L0265R |
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