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YB1253ST89X140 Datasheet(PDF) 4 Page - YOBON TECHNOLOGIES,INC. |
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YB1253ST89X140 Datasheet(HTML) 4 Page - YOBON TECHNOLOGIES,INC. |
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4 / 11 page  YB1253 300mA, Low Power, High PSRR LDO Regulator YB1253 Rev. 1.5 www.yobon.com.tw 4 Electrical Characteristics Table 2 Function Parameter Conditions Min Typ Max Units Input Voltage Range 2.0 5.5 V Output Voltage, VOUT Predefined 1.2 3.6 V IOUT = 10mA, VOUT >= 1.3V -2.0 +2.0 % Output Voltage Accuracy IOUT = 10mA, VOUT = 1.2V 0 +4.0 % Output Current Limit Short-circuit output 500 mA Vout = 3.6V, Iout = 300 mA 300 Vout = 3.3V, Iout = 300 mA 350 Vout = 2.8V, Iout = 300 mA 430 Vout = 1.8V, Iout = 300 mA 600 Dropout Voltage (Note 1) Vout = 1.2V, Iout = 300 mA 900 mV Ground Current Iground = Iin - Iout 10 μA Line Regulation Vin = (Vout+1V) to 5.5V, Iout =10mA 0.10 0.20 %/V Load Regulation Iout = 1mA to 300 mA 0.005 0.01 %/mA Shutdown Supply Current EN = Vin=0V 1 μA Ripple Rejection (PSRR) (Note 2) 50 dB Start Up Delay (Note 3) Rload=100ohm 200 μS Rload=10K ohm, VOUT=1.5V 1 mS Shutdown Delay Rload=10K ohm, VOUT=1.2V 1 mS EN Logic Low Level Vin = 2.0V to 5.5V 0.4 V EN Logic High Level Vin = 2.0V to 5.5V 1.2 Vin V EN Input Bias Current Vin = EN = 3V 1.5 μA Thermal Shutdown Shutdown Temperature 160 °C Thermal Hysteresis 20 °C TA = 25℃, VIN = ( VOUT + 1 V ), CIN = COU T = 1.0μF, VEN = VIN, unless otherwise td Note 1: The dropout voltage varies depending on output voltage selection. Dropout is defined as VIN–VOUT when VOUT is 100mV below nominal VOUT where Vin=Vout + 1V for nominal VOUT. Note 2: PSRR is tested at Vin=3.8+1Vppac, Vout=2.8V, I_load=1mA. Note 3: Time needed for VOUT to reach 90% of final value. |
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