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LR1117C Datasheet(PDF) 4 Page - Leshan Radio Company |
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LR1117C Datasheet(HTML) 4 Page - Leshan Radio Company |
4 / 10 page ELECTRICAL CHARACTERISTICS continued Tj=25C Symbol Parameter Conditions Min Typ Max Unit Vdrop Dropout Voltage Iout=100mA 1.23 1.3 V Iout=1A 1.3 1.5 V Ilimit Current Limit Vin-Vout=2V, Tj=25°C 1 A SVR Supply Voltage Rejection f = 120Hz, VIN − VOUT = 3V + 1VPP Ripple 60 dB Imin Minimum Load Current LR1117-ADJ 2 10 mA Iq Quiescent Current LR1117-1.2V, Vin =10V 2 5 mA LR1117-1.5V, Vin =11V 2 5 mA LR1117-1.8V, Vin =12V 2 5 mA LR1117-2.5V,Vin =12V 2 5 mA LR1117-3.3V, Vin =12V 2 5 mA LR1117-5.0V, Vin =12V 2 5 mA LR1117-12.0V, Vin =20V 2 5 mA IAdj Adjust Pin Current LR1117-ADJ 55 120 uA Vin =5V, 10mA≤Iout≤1A Ichange Iadj change LR1117-ADJ 0.2 10 uA Vin =5V, 10mA≤Iout≤1A ΔV/ΔT Temperature coefficient ±100 ppm JC Thermal Resistance SOT-223 20 °C/W TO-252 10 JA Thermal Resistance Junction-to-Ambient (No air flow) SOT-223 (No heat sink) 136 °C/W TO-252 (No heat sink) 92 Note1: All test are conducted under ambient temperature 25°C and within a short period of time 20ms Note2: Load current smaller than minimum load current of LR1117C-ADJ will lead to unstable or oscillation output. BLOCK DIAGRAM LESHAN RADIO COMPANY, LTD. Feb 2011 Ver1.2 4/10 |
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