5S1265 Datasheet | Fairchild Semiconductor

Features - - - - - - - - - - - - - Wide Operating Frequency Range Up to 150Khz Lowest Cost SMPS Solution Lowest External ponents Low Start-up Current (max:170u A) Low Operating Current (max:12m A) Internal High Voltage Sense FET 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 TO-220F-5L TO-220-5L 1. Drain 2. Gnd 3. VCC 4. Feed Back 5. Sync. Internal Block Diagram VCC 3 VCC UVLO + 15/9V Soft Start & Sync 5 VREF Feedback 4 0.95m A 4µA OLP (Vfb=7.5V) TSD (Tj=160°C) OVP (VCC=25V) 1µs Window Open Circuit OCP (VS=1.1V) 2.5V R VREF VCC Vth.sy + 7V 6V + Voffset R S Q Bias Vref 2.5V OSC CLK + VREF UVLO Drain 1 Sense FET VS S Q R Shutdown Latch Rsense 2 GND Power-on Reset (VCC=6.5V) Rev.1.0.2 ©2001 Fairchild Semiconductor Corporation .. KA5S-SERIES KA5S0765C/KA5S09654QT/KA5S0965/KA5S12656/KA5S1265 Absolute Maximum Ratings (Ta=25°C, unless otherwise specified) Characteristic Symbol VD,MAX VDGR VGS IDM ID ID (2) Value 650 650 ±30 28 7.0 5.6 20(570) 30 -0.3 to VCC -0.3 to 8 135 1.1 +160 -25 to +85 -55 to +150 Unit V V V ADC ADC ADC A(m J) V V V W W / °C °C °C °C KA5S0765C Maximum drain voltage Drain-gate voltage(RGS=1MΩ) Gate-source(GND) voltage Drain current pulsed (1) Continuous drain current (Tc = 25°C) Continuous drain current (Tc = 100°C) Single pulsed avalanch current (Energy Maximum supply voltage Input voltage range Total power dissipation Operating junction temperature. Operating ambient temperature. Storage temperature range. (3) ) IAS(EAS) VCC,MAX VFB VSS PD (Watt H/S) Derating TJ TA TSTG KA5S09654QT Maximum drain voltage Drain-gate voltage(RGS=1MΩ) Gate-source(GND) voltage Drain current...