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IR1152SPBF Datasheet(PDF) 3 Page - International Rectifier |
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IR1152SPBF Datasheet(HTML) 3 Page - International Rectifier |
3 / 20 page IR1152S www.irf.com 3 © 2011 International Rectifier Electrical Characteristics The electrical characteristics involve the spread of values guaranteed within the specified supply voltage and junction temperature range TJ from – 25° C to 125°C. Typical values represent the median values, which are related to 25°C. If not otherwise stated, a supply voltage of VCC =15V is assumed for test condition Supply Section Parameters Symbol Min. Typ. Max. Units Remarks Supply Voltage Operating Range VCC 14 17 V VCC Turn On Threshold VCC ON 12.2 13.1 14 V VCC Turn Off Threshold (Under Voltage Lock Out) VCC UVLO 9.4 10.1 10.8 V VCC Turn On/Off Hysteresis VCC HYST 2.4 3 3.6 V 9 mA CLOAD =1nF 14 mA CLOAD =4.7nF Operating Current ICC 3.5 5 mA Stand-by Mode – Inactive gate Start-up Current ICC START 26 75 µA VCC=VCC ON - 0.5V Sleep current ISLEEP 26 75 µA Pin OVP/EN=0.4V Sleep Mode Threshold VSLEEP 0.55 0.8 V Bias on OVP/EN pin Oscillator Section Parameters Symbol Min. Typ. Max. Units Remarks 58 66 72.5 TAMB=25°C Fixed Oscillator Frequency fSW 53.8 73 kHz -25 °C < TAMB < 125°C Maximum Duty Cycle DMAX 93 99 % VCOMP=5V Minimum Duty Cycle DMIN 0 % Pulse Skipping Protection Section Parameters Symbol Min. Typ. Max. Units Remarks Open Loop Protection (OLP)Threshold VOLP 17 19 21 % VREF Bias on VFB pin Output Overvoltage Protection (OVP) Threshold VOVP 104 106 108 % VREF Bias on VFB and/or OVP/EN pins Output Overvoltage Protection Reset Threshold VOVP(RST) 101 103 105 % VREF Bias on VFB and/or OVP/EN pins OVP Input Bias Current IOVP(Bias) -0.2 µA Brown-out Protection (BOP) Threshold VBOP 0.68 0.78 0.88 V Bias on BOP pin Brown-out Protection Enable Threshold VBOP(EN) 1.46 1.56 1.66 V Bias on BOP pin BOP Input Bias Current IBOP(Bias) -0.2 µA Peak Current Limit Protection ISNS Voltage Threshold (IPK LIMIT) VISNS(PK) -0.82 -0.75 -0.68 V Bias on ISNS pin |
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