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MC44608P75G Datasheet(PDF) 3 Page - ON Semiconductor |
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MC44608P75G Datasheet(HTML) 3 Page - ON Semiconductor |
3 / 15 page MC44608 http://onsemi.com 3 ELECTRICAL CHARACTERISTICS Characteristic Symbol Min Typ Max Unit OUTPUT SECTION Output Resistor W Sink Resistance ROL 5.0 8.5 15 Source Resistance ROH − 15 − Output Voltage Rise Time (from 3.0 V up to 9.0 V) (Note 1) tr − 50 − ns Output Voltage Falling Edge Slew−Rate (from 9.0 V down to 3.0 V) (Note 1) tf − 50 − ns CONTROL INPUT SECTION Duty Cycle @ Ipin3 = 2.5 mA d2mA − − 2.0 % Duty Cycle @ Ipin3 = 1.0 mA d1mA 36 43 48 % Control Input Clamp Voltage (Switching Phase) @ Ipin3 = −1.0 mA 4.75 5.0 5.25 V Latched Phase Control Input Voltage (Standby) @ Ipin3 = +500 mA VLP−stby 3.4 3.9 4.3 V Latched Phase Control Input Voltage (Standby) @ Ipin3 = +1.0 mA VLP−stby 2.4 3.0 3.7 V current sense section Maximum Current Sense Input Threshold VCS−th 0.95 1.0 1.05 V Input Bias Current IB−cs −1.8 − 1.8 mA Standby Current Sense Input Current ICS−stby 180 200 220 mA Startup Phase Current Sense Input Current ICS−stup 180 200 220 mA Propagation Delay (Current Sense Input to Output @ VTH T MOS = 3.0 V) TPLH(In/Out) − 220 − ns Leading Edge Blanking Duration MC44608P40 TLEB − 480 − ns Leading Edge Blanking Duration MC44608P75 TLEB − 250 − ns Leading Edge Blanking + Propagation Delay MC44608P40 TDLY 500 680 900 ns Leading Edge Blanking + Propagation Delay MC44608P75 TDLY 370 470 570 ns oscillator section Normal Operation Frequency MC44608P40 fosc 36 40 44 kHz Normal Operation Frequency MC44608P75 fosc 68 75 82 kHz Maximum Duty Cycle @ f = fosc dmax 78 82 86 % OVERvoltage section Quick OVP Input Filtering (Rdemag = 100 kW) Tfilt − 250 − ns Propagation Delay (Idemag > Iovp to output low) TPHL(In/Out) − 2.0 − ms Quick OVP Current Threshold IOVP 105 120 140 mA Protection Threshold Level on VCC VCC−OVP 14.8 15.3 15.8 V Minimum Gap Between VCC−OVP and Vstup−th VCC−OVP − Vstup 1.0 − − V 1. This parameter is measured using 1.0 nF connected between the output and the ground. |
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