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LD3985G18R Datenblatt(PDF) 7 Page - STMicroelectronics |
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LD3985G18R Datenblatt(HTML) 7 Page - STMicroelectronics |
7 / 22 page LD3985xx Electrical characteristics 7/22 5 Electrical characteristics Table 5. Electrical characteristics for LD3985 (TJ = 25 °C, VI = VO(NOM) +0.5 V, CI = 1 µF, CBYP = 10 nF, IO = 1 mA, VINH = 1.4 V, unless otherwise specified) Symbol Parameter Test conditions Min. Typ. Max. Unit VI Operating input voltage 2.5 6 V VO Output voltage < 2.5V IO = 1 mA -50 50 mV TJ= -40 to 125°C -75 75 VO Output voltage ≥ 2.5V IO = 1 mA -2 2 % of VO(NOM) TJ= -40 to 125°C -3 3 ΔVO Line regulation (Note: 1) VI = VO(NOM) + 0.5 to 6 V TJ= -40 to 125°C -0.1 0.1 %/V VO = 4.7 to 5V -0.19 0.19 ΔVO Load regulation IO = 1 mA to 150mA, VO < 2.5V TJ= -40 to 125°C 0.002 0.008 %/mA ΔVO Load regulation IO = 1 mA to 150mA, VO ≥ 2.5V TJ= -40 to 125°C (for flip-chip) 0.0004 0.002 %/mA IO = 1 mA to 150mA, TJ= -40 to 125°C (for SOT23-5L/TSOT23-5L), VO ≥ 2.5V 0.0025 0.005 ΔVO Output AC Line regulation VI = VO(NOM) + 1 V, IO = 150mA, tR= tF = 30µs 1.5 mVPP IQ Quiescent current ON MODE: VINH = 1.2V IO = 0 85 µA IO = 0, TJ= -40 to 125°C 150 IO = 0 to 150mA 170 IO = 0 to 150mA, TJ= -40 to 125°C 250 OFF MODE: VINH = 0.4V 0.003 TJ= -40 to 125°C 1.5 VDROP Dropout voltage (Note: 1) IO = 1mA 0.4 mV IO = 1mA, TJ= -40 to 125°C 2 IO = 50mA 20 IO = 50mA, TJ= -40 to 125°C 35 IO = 100mA 45 IO = 100mA, TJ= -40 to 125°C 70 IO = 150mA 60 IO = 150mA, TJ= -40 to 125°C 100 ISC Short circuit current RL = 0 600 mA SVR Supply voltage rejection VI = VO(NOM)+0.25V ± VRIPPLE = 0.1V, IO= 50mA VO(NOM) < 2.5V, VI = 2.55V f = 1kHz 60 dB f = 10kHz 50 |
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