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TB7100F Datasheet(PDF) 5 Page - Toshiba Semiconductor |
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TB7100F Datasheet(HTML) 5 Page - Toshiba Semiconductor |
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5 / 17 page  TB7100F 2004-09-10 5 Electrical Characteristics (unless otherwise specified: Ta = 25 °C and VIN = 3 to 5.5 V) Characteristics Symbol Test circuit Test condition Min Typ. Max Unit Operating supply voltage VIN(OPR) － － 3 5 5.5 V Load current IOUT － － － － 700 mA Operating current IIN － VIN = 5 V, VENB= 5 V, VFB = 0.7 V RT = 120 kΩ － 570 750 μ A Standby current IIN(STBY) － VIN= 5 V, VENB= 0 V, VFB = 0.9 V － － 1 μ A VIH － VIN = 5 V 3.5 － － V Enable pin threshold voltage VIL － VIN = 5 V － － 1.5 V Enable pin input current IIH VIN = 5 V, VENB = 5 V － － 20 μ A Feedback pin current IFB － － -1 － 1 μ A Feedback pin voltage VFB － － 0.776 0.8 0.824 V Feedback pin line regulation Δ VFB(LINE) － VIN = VENB = 3 V～5 V － 1.6 5 mV/V High-side on-state resistance RDS(ON) － VIN = 5 V, VENB = 5 V, ISW = - 0.5 A － 0.27 0.6 Ω High-side leakage current ILEAK － VIN = 5 V, VENB = 0 V, VSW = 0 V － － -1 μ A Oscillation frequency fOSC － VIN = 5 V, VENB = 5 V, RT = 120 k Ω － 550 － kHz Error amplifier conductance gm － VIN = 5 V, VENB = 5 V ICOMP = ±20μA － 800 － μ S Peak switch current ISW(PEAK) － － 1.0 1.5 － A Detection VUV － － 2.3 2.5 2.7 V Undervoltage protection Hysteresis Δ VUV － － － 0.1 － V Detection TSD － － 125 145 － ℃ Overheat protection Hysteresis Δ TSD － － 25 － ℃ |
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