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KA5S0965 Scheda tecnica(PDF) 1 Page - Fairchild Semiconductor |
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KA5S0965 Scheda tecnica(HTML) 1 Page - Fairchild Semiconductor |
1 / 16 page ©2003 Fairchild Semiconductor Corporation www.fairchildsemi.com Rev.1.0.5 Features • Wide Operating Frequency Range Up to 150kHz • Lowest Cost SMPS Solution • Lowest External Components • Low Start-up Current (Max:170 µA) • Low Operating Current (Max:12mA) • Internal High Voltage SenseFET • Over Voltage Protection With Latch Mode (Min23V) • Over Load Protection With Latch Mode • Over Current Protection With Latch Mode • Internal Thermal Protection With Latch Mode • Pulse By Pulse Over Current Limiting • Under Voltage Lockout With Hysteresis • External Sync. Terminal TO-3P-5L 1. Drain 2. Gnd 3. VCC 4. FeedBack 5. Sync. 1 TO-220-5L 1 Internal Block Diagram + - - + + - + - VCC Soft Start & Sync 3 4 5 Vref VCC UVLO 15/9V Feedback VREF Vth.sy 7V 6V 4 µA OSC VREF VCC 2.5V R 0.95mA OLP (Vfb=7.5V) TSD (Tj=160 °C) OVP (VCC=25V) OCP (VS=1.1V) 1 µs Window Open Circuit Power-on Reset (VCC=6.5V) S R Q Shutdown Latch Voffset S R Q CLK 2.5V Bias VREF UVLO 1 2 Drain GND VS SenseFET Rsense KA5S-SERIES KA5S0765C/KA5S0965/KA5S12656/KA5S1265 Fairchild Power Switch(FPS) |
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