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IR1155S Datasheet(PDF) 5 Page - International Rectifier |
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IR1155S Datasheet(HTML) 5 Page - International Rectifier |
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5 / 21 page  IR1155S www.irf.com 5 © 2011 International Rectifier Internal Voltage Reference Section Voltage Error Amplifier Section Parameter Symbol Min. Typ. Max. Units Remarks Transconductance gm 35 50 65 µS 30 44 58 TAMB = 25°C Source Current IOVEA(SRC) 20 44 90 µA -25°C ≤TAMB≤ 125°C -57 -43 -30 TAMB = 25°C Sink Current IOVEA(SNK) -90 -43 -20 µA -25°C ≤TAMB≤ 125°C Soft Start Delay Time tSS 35 msec RGAIN = 1kΩ, CZERO = 0.33uF, CPOLE = 0.01uF VCOMP Voltage (Fault) VCOMP FLT 1 1.4 V @ 100µA steady state current Effective VCOMP Voltage VCOMP EFF 4.6 4.9 5.2 V VFB Input Bias Current IIB(Bias) -0.2 µA VFB=4.9V Output Low Voltage VOL 0.25 V Output High Voltage VOH 5 5.4 V VCOMP Start Voltage VCOMP START 240 340 460 mV Parameter Symbol Min. Typ. Max. Units Remarks Reference Voltage VREF 4.9 5 5.1 V TA = 25°C Line Regulation RREG 10 20 mV 14 V < VCC < 19V Temp Stability TSTAB 0.4 % -25°C ≤ TAMB ≤ 125°C Total Variation ΔVTOT 4.85 5.1 V Line & Temperature |
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