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KA7631 Datasheet(PDF) 2 Page - Fairchild Semiconductor |
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KA7631 Datasheet(HTML) 2 Page - Fairchild Semiconductor |
2 / 6 page KA7630/KA7631 2 Absolute Maximum Ratings Electrical Characteristics(KA7630) (Refer to test circuit Vin1=7.5V ,Vin2=10.5V ,Tj = +25 °C, unless otherwise specified) Notes: 1. To check the reset circuit ,the reset output is low to discharge the delay capacitor(=Cd). it’s less than Vo1-0.25V. And the reset output is high when the delay capacitor voltage linearly increased by the internal current source(10 µA) if it’s more than Vo1- 0.2V. The equation of delay time is same as below. Trd = (Cd × 2.5) / 10 µA 2. These parameters, although guaranteed, are not 100% tested in production. Parameter Symbol Value Unit Remark DC Input Voltage Vin 20 V - Disable Input Voltage Vc 20 V - Output Current Io 0.5 A - Power Dissipation Pd 1.5 W No Heatsink Junction Temperature Tj +150 °C- Operating Temperature Topr 0 ~ +125 °C- Parameter Symbol Conditions Min. Typ. Max. Unit Output Voltage 1 Vo1 Io1 = 10mA 7.5V<Vin1<14V 5mA < Io1< 500mA 5 4.9 5.1 5.1 5.2 5.3 V Output Voltage 2 Vo2 Io2 = 10mA 10.5V < Vin2< 18V 5mA < Io2 < 500mA 7.84 7.7 8 8 8.16 8.3 V Dropout Output Voltage 1,2 Vd1,2 Io1,2 = 500mA - - 2.5 V Line Regulation 1,2 ∆Vo 1,2 7.5V < Vin1<14V 10.5V < Vin2 < 18V Io1,2 = 200mA -- 50 80 mV Load Regulation 1,2 ∆Vo 1,2 5mA < Io1< 500mA 5mA < Io2< 500mA -- 100 160 mV Output Voltage 3 Vo3 Vsys=13V, Io3=100mA 11.7 12 12.3 V Line Regulation 3 ∆Vo3 13V< Vin2 < 18V, Io3 =100mA - - 120 mV Load Regulation 3 ∆Vo3 5mA < Io3 < 1A - - 250 mV Reset Pulse Delay Trd Cd = 100nF, Note1 - 25 - ms Saturation Voltage in Reset Condition VrL I6 = 5mA - - 0.4 V Leakage Current at Pin 6 IrH V6 = 10V - - 10 µA Output Voltage Thermal Drift STt 0 °C <Tj < +125°C , Note2 - 100 ppm/ °C Short Circuit Output Current Isc1,2 Vin1 = 7.5V ,Vin2 = 10.5V - - 1.6 A Disable Voltage High VdisH Output 2 Active 0.8 - 2.0 V Disable Voltage Low VdisL Output 2 Disabled 0.8 - 2.0 V Disable Bias Current Idis 0V < Vdis < 7V -100 - 2 µA Junction Temperature for TSD Ttsd Note 2 - 145 - °C Quiescent Current Iq Io1 = 10mA, Output2 Disabled - - 2 mA Reset Threshold Voltage Vr K = Vo1 K-0.4 K-0.25 K -0.1 V Reset Threshold Hysteresis Vrth Note1 20 50 100 mA |
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Similar Description - KA7631 |
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