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LP78084 Datasheet(PDF) 5 Page - Lowpower Semiconductor inc |
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LP78084 Datasheet(HTML) 5 Page - Lowpower Semiconductor inc |
5 / 20 page Preliminary Datasheet LP78084 LP78084 – 02 Ver. 1.1 Datasheet Nov.-2007 Page 5 of 22 Electrical Characteristics (VINA =VOUT(NOM) + 1V for VOUT options greater than 1 .5V. IOUT = 1mA, COUT = 2.2µF, CIN = 1µF, TA = -40℃ to 85℃ , unless otherwise noted. Typical values are TA=25℃ ) LP78084 Symbol Parameter Conditions Min. Typ. Max. Unit Linear Regulator VOUT Output Voltage Tolerance IOUTA = 100 µA to 300mA TA = 25°C -3 3 % VIN Input Voltage V OUT + VDO 5.5 V VDO Dropout Voltage I OUTA = 300mA 150 200 mV ∆ VOUT/ V OUT *∆ VIN Line Regulation V INA = V OUTA + 0.5 to 5.5V, I OUTA = 1mA 0.05 0.2 %/V ∆ VOUT(Load) Dynamic Load Regulation IOUTA = 1mA to 300mA 15 35 mV I OUT Output Current V OUTA > 1 .2V 300 mA ISC Short-Circuit Current TA = -40к to 85к 720 mA IQ Quiescent Current V INA = 5V; ENA = VIN 84 140 µA ISHDN Shutdown Current VINA = 5V; ENA = 0V 1 µA PSRR Power Supply Rejection Ratio VIN =V OUT +1V 1kHz 65 dB TSD Over-Temperature Shutdown Threshold 160 ℃ THYS Over-Temperature Shutdown Hysteresis 25 ℃ eN Output Noise IOUT =10mA,10HzЉ fЉ 100kHz 125 µVRMS VEN(L) Enable Threshold Low 0.4 V V EN(H) Enable Threshold High 1.6 V IEN Enable Input Current VENA = 5.5V 100 nA Battery Charger Operation VADP Adapter Voltage Range 3.75 5 5.5 V VASD Automatic Shutdown Threshold Voltage ( V CC - V BAT), V CC Low to High 85 110 135 mV (VCC-VBAT),VCC High to Low 15 45 70 T SS_CHRG Battery Charger Soft-Start Time 120 µS V Under-Voltage Lockout (UVLO) ADP Rising Edge 3.4 3.6 3.8 V ADP Falling Edge 2.8 3 3.2 V IOP Operating Current VBAT =4.5V(Forces IBAT and IISET=0) 115 300 µA I SHUTDOWN Shutdown Current V BAT = 4V, EN_BAT = GND 0.2 5 µA ILEAKAGE Reverse Leakage Current from BAT Pin VBAT = 4V, VADP=3.5V 0.7 2 µA |
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