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BU32UC3WG-TL 데이터시트(PDF) 4 Page - Rohm |
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BU32UC3WG-TL 데이터시트(HTML) 4 Page - Rohm |
4 / 26 page TSZ02201-0RBR0A300110-1-2 4/23 29.Jan.2015 Rev.005 BUxxUC3WG series Datasheet © 2013 ROHM Co., Ltd. All rights reserved. TSZ22111・15・001 www.rohm.com ●Electrical Characteristics (Ta=25℃, VIN=VOUT+1.0V (*3), STBY=VIN, Cin=1.0μF, Co=1.0μF, unless otherwise noted.) ○ This product is not designed for protection against radioactive rays. (*3) VIN=2.5V for VOUT≦1.5V (*4) VIN=2.5V to 3.6V for VOUT≦1.5V ●Block Diagrams PARAMETER Symbol Limit Unit Conditions MIN. TYP. MAX. Overall Device Output Voltage VOUT VOUT×0.99 VOUT VOUT×1.01 V IOUT=10μA,VOUT≧2.5V VOUT-25mV VOUT+25mV IOUT=10μA,VOUT<2.5V Operating Current IIN - 50 90 μ A IOUT=0mA Operating Current (STBY) ISTBY - - 1.0 μ A STBY=0V Ripple Rejection Ratio RR 45 70 - dB VRR=-20dBv,fRR=1kHz,IOUT=10mA, VIN=3.6V Dropout Voltage VSAT - 470 700 mV 1.0V≦VOUT<1.2V(IOUT=300mA) - 350 500 mV 1.2V≦VOUT<1.5V(IOUT=300mA) - 280 380 mV 1.5V≦VOUT<1.7V(IOUT=300mA) - 250 320 mV 1.7V≦VOUT<2.1V(IOUT=300mA) - 220 260 mV 2.1V≦VOUT<2.5V(IOUT=300mA) - 200 220 mV 2.5V≦VOUT(IOUT=300mA) Line Regulation VDL - 2 20 mV VIN=VOUT+1.0V to 5.5V(*4), IOUT=10μA Load Regulation VDLO - 25 45 mV IOUT=0.01mA to 300mA Over-current Protection (OCP) Limit Current ILMAX 370 550 - mA Vo=VOUT*0.95 Short Current ISHORT 50 150 300 mA Vo=0V Standby Block Discharge Resistor RDSC 20 50 80 Ω VIN=5.5V, STBY=0V, VOUT=2.6V STBY Pin Pull-down Current ISTB 0.1 0.9 8.0 μ A STBY=1.5V STBY Control Voltage ON VSTBH 1.2 - 5.5 V OFF VSTBL -0.3 - 0.3 V Cin・・・1.0μF (Ceramic) Co ・・・1.0μF (Ceramic) 1 3 5 2 Cin VIN GND STBY STBY VOUT VOUT Co VREF OCP STBY Discharge TSD VIN Figure 2. Block Diagrams |
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