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LD1084D2T33 Scheda tecnica(PDF) 8 Page - STMicroelectronics |
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LD1084D2T33 Scheda tecnica(HTML) 8 Page - STMicroelectronics |
8 / 18 page LD1084 SERIES 8/18 ELECTRICAL CHARACTERISTICS OF LD1084#120 (VI=15V, CI =CO =10µF, TA = -40 to 125°C, unless otherwise specified.) NOTE 1: See short-circuit current curve for available output current at fixed dropout. ELECTRICAL CHARACTERISTICS OF LD1084 (VI=4.25V, CI =CO =10µF, TA = -40 to 125°C, unless otherwise specified.) NOTE 1: See short-circuit current curve for available output current at fixed dropout. Symbol Parameter Test Conditions Min. Typ. Max. Unit VO Output Voltage IO =0mA TJ = 25°C 11.88 12 12.12 V IO =0to 5A VI = 13.6 to 30V (note 1) 11.76 12 12.24 V ∆V O Line Regulation IO =0mA VI =13.6to25V TJ = 25°C 2 25 mV IO =0mA VI =13.6to25V 4 25 mV ∆V O Load Regulation IO =0to 5A TJ = 25°C 12 36 mV IO =0to 5A 24 72 V Vd Dropout Voltage IO =5 A 1.3 1.5 V Iq Quiescent Current VI ≤ 30V 5 10 mA Isc Short Circuit Current VI -VO = 5V 5.5 6.5 A VI -VO = 25V 0.5 0.7 A Termal Regulation TA = 25°C, 30ms pulse 0.003 0.015 %/W SVR Supply Voltage Rejection f = 120 Hz, CO =25 µF, IO =5A VI =17 ± 3V 54 66 dB eN RMS Output Noise Voltage (% of VO) TA = 25°C f =10Hz to 10KHz 0.003 % S Temperature Stability 0.5 % S Long Term Stability TA = 125°C 1000Hrs 0.5 % Symbol Parameter Test Conditions Min. Typ. Max. Unit VO Output Voltage IO = 10mA TJ = 25°C 1.237 1.25 1.263 V IO = 10mA to 5A VI = 2.85 to 30V (note 1) 1.225 1.25 1.275 V ∆V O Line Regulation IO = 10mA VI = 2.85 to 16.5V TJ = 25°C 0.015 0.2 % IO = 10mA VI = 2.85 to 16.5V 0.035 0.2 % ∆V O Load Regulation IO = 10mA to 5A TJ = 25°C 0.1 0.3 % IO = 10mA to 5A 0.2 0.4 % Vd Dropout Voltage IO = 5A 1.3 1.5 V IO(min) Minimum Load Current VI = 30V 3 10 mA Isc Short Circuit Current VI -VO = 5V 5.5 6.5 A VI -VO = 25V 0.5 0.7 A Termal Regulation TA = 25°C, 30ms pulse 0.003 0.015 %/W SVR Supply Voltage Rejection f = 120 Hz, CO =25 µF, CADJ =25 µF, IO =5A VI = 6.25 ± 3V 60 72 dB IADJ Adjust Pin Current VI = 4.25V IO =10mA 55 120 µA ∆I ADJ Adjust Pin Current Change IO = 10mA to 5A VI = 2.85 to 16.5V (note 1) 0.2 5 µA eN RMS Output Noise Voltage (% of VO) TA = 25°C f =10Hz to 10KHz 0.003 % S Temperature Stability 0.5 % S Long Term Stability TA = 125°C 1000Hrs 0.5 % |
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